Kill the_index part3

index 74eda822ce..f34edba21f 100644
@@ -294,7 +294,7 @@ static int apply_patch_from_buf(struct strbuf *patch, int cached, int reverse,
 	const char *patch_path = ".git/stash_patch.patch";
 	FILE *patch_file;
 
-	if (init_apply_state(&state, NULL))
+	if (init_apply_state(&state, the_repository, NULL))
 		return -1;
 
 	state.cached = cached;

@@ -873,7 +873,7 @@ static int get_untracked_files(const char **argv, const char *prefix,
 	max_len = fill_directory(&dir, the_repository->index, &pathspec);
 	for (i = 0; i < dir.nr; i++) {
 		struct dir_entry *ent = dir.entries[i];
-		if (!dir_path_match(ent, &pathspec, max_len, seen)) {
+		if (!dir_path_match(the_repository->index, ent, &pathspec, max_len, seen)) {
 			free(ent);
 			continue;
 		}

@@ -1299,7 +1299,7 @@ static int do_push_stash(int argc, const char **argv, const char *prefix,
 
 		for (i = 0; i < active_nr; ++i) {
 			const struct cache_entry *ce = active_cache[i];
-			if (!ce_path_match(ce, &ps, ps_matched))
+			if (!ce_path_match(&the_index, ce, &ps, ps_matched))
 				continue;
 		}
 

index 91ba67070e..d07bf2e4c4 100644
@@ -163,9 +163,11 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
 		int saved_nrl = 0;
 		int saved_dcctc = 0;
 
-		if (opt->diffopt.detect_rename)
-			opt->diffopt.setup |= (DIFF_SETUP_USE_SIZE_CACHE |
-					       DIFF_SETUP_USE_CACHE);
+		if (opt->diffopt.detect_rename) {
+			if (!the_index.cache)
+				read_index(&the_index);
+			opt->diffopt.setup |= DIFF_SETUP_USE_SIZE_CACHE;
+		}
 		while (fgets(line, sizeof(line), stdin)) {
 			struct object_id oid;
 

index 04d044bbb6..72ce8007fd 100644
@@ -4414,16 +4414,6 @@ void diff_setup_done(struct diff_options *options)
 
 	if (options->detect_rename && options->rename_limit < 0)
 		options->rename_limit = diff_rename_limit_default;
-	if (options->setup & DIFF_SETUP_USE_CACHE) {
-		if (!active_cache)
-			/* read-cache does not die even when it fails
-			 * so it is safe for us to do this here.  Also
-			 * it does not smudge active_cache or active_nr
-			 * when it fails, so we do not have to worry about
-			 * cleaning it up ourselves either.
-			 */
-			read_cache();
-	}
 	if (hexsz < options->abbrev)
 		options->abbrev = hexsz; /* full */
 

index 20c697dbfe..3ada6ad33c 100644
@@ -312,7 +312,6 @@ void diff_change(struct diff_options *,
 struct diff_filepair *diff_unmerge(struct diff_options *, const char *path);
 
 #define DIFF_SETUP_REVERSE      	1
-#define DIFF_SETUP_USE_CACHE		2
 #define DIFF_SETUP_USE_SIZE_CACHE	4
 
 /*

index 181d5919f0..16ea022c46 100644
@@ -652,11 +652,6 @@ int write_index_as_tree(struct object_id *oid, struct index_state *index_state,
 	return ret;
 }
 
-int write_cache_as_tree(struct object_id *oid, int flags, const char *prefix)
-{
-	return write_index_as_tree(oid, &the_index, get_index_file(), flags, prefix);
-}
-
 static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
 {
 	struct tree_desc desc;

@@ -723,10 +718,3 @@ int cache_tree_matches_traversal(struct cache_tree *root,
 		return it->entry_count;
 	return 0;
 }
-
-int update_main_cache_tree(int flags)
-{
-	if (!the_index.cache_tree)
-		the_index.cache_tree = cache_tree();
-	return cache_tree_update(&the_index, flags);
-}

index 9799e894f7..fc0c842e77 100644
@@ -33,8 +33,6 @@ struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
 int cache_tree_fully_valid(struct cache_tree *);
 int cache_tree_update(struct index_state *, int);
 
-int update_main_cache_tree(int);
-
 /* bitmasks to write_cache_as_tree flags */
 #define WRITE_TREE_MISSING_OK 1
 #define WRITE_TREE_IGNORE_CACHE_TREE 2

@@ -48,9 +46,22 @@ int update_main_cache_tree(int);
 #define WRITE_TREE_PREFIX_ERROR (-3)
 
 int write_index_as_tree(struct object_id *oid, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
-int write_cache_as_tree(struct object_id *oid, int flags, const char *prefix);
 void prime_cache_tree(struct index_state *, struct tree *);
 
 int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);
 
+#ifndef NO_THE_INDEX_COMPATIBILITY_MACROS
+static inline int write_cache_as_tree(struct object_id *oid, int flags, const char *prefix)
+{
+	return write_index_as_tree(oid, &the_index, get_index_file(), flags, prefix);
+}
+
+static inline int update_main_cache_tree(int flags)
+{
+	if (!the_index.cache_tree)
+		the_index.cache_tree = cache_tree();
+	return cache_tree_update(&the_index, flags);
+}
+#endif
+
 #endif

index 31038472fd..4d40f50c1c 100644
@@ -1244,7 +1244,7 @@ static int try_to_commit(struct strbuf *msg, const char *author,
 		commit_list_insert(current_head, &parents);
 	}
 
-	if (write_cache_as_tree(&tree, 0, NULL)) {
+	if (write_index_as_tree(&tree, &the_index, get_index_file(), 0, NULL)) {
 		res = error(_("git write-tree failed to write a tree"));
 		goto out;
 	}

@@ -1630,7 +1630,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
 		 * that represents the "current" state for merge-recursive
 		 * to work on.
 		 */
-		if (write_cache_as_tree(&head, 0, NULL))
+		if (write_index_as_tree(&head, &the_index, get_index_file(), 0, NULL))
 			return error(_("your index file is unmerged."));
 	} else {
 		unborn = get_oid("HEAD", &head);

index 78b0a398a0..a8397e6173 100644
@@ -109,7 +109,7 @@ static const struct attr_check *get_archive_attrs(const char *path)
 	static struct attr_check *check;
 	if (!check)
 		check = attr_check_initl("export-ignore", "export-subst", NULL);
-	return git_check_attr(path, check) ? NULL : check;
+	return git_check_attr(&the_index, path, check) ? NULL : check;
 }
 
 static int check_attr_export_ignore(const struct attr_check *check)

155 lines not on this page · raw message

index 46340010bb..3daca3c0cb 100644
@@ -1,6 +1,8 @@
 #ifndef ATTR_H
 #define ATTR_H
 
+struct index_state;
+
 /* An attribute is a pointer to this opaque structure */
 struct git_attr;
 

@@ -60,13 +62,15 @@ void attr_check_free(struct attr_check *check);
  */
 const char *git_attr_name(const struct git_attr *);
 
-int git_check_attr(const char *path, struct attr_check *check);
+int git_check_attr(const struct index_state *istate,
+		   const char *path, struct attr_check *check);
 
 /*
  * Retrieve all attributes that apply to the specified path.
  * check holds the attributes and their values.
  */
-void git_all_attrs(const char *path, struct attr_check *check);
+void git_all_attrs(const struct index_state *istate,
+		   const char *path, struct attr_check *check);
 
 enum git_attr_direction {
 	GIT_ATTR_CHECKIN,

@@ -74,7 +78,7 @@ enum git_attr_direction {
 	GIT_ATTR_INDEX
 };
 void git_attr_set_direction(enum git_attr_direction new_direction,
-			    struct index_state *istate);
+			    const struct index_state *istate);
 
 void attr_start(void);
 

index 91444dc044..f7b59993d3 100644
@@ -63,9 +63,9 @@ static void check_attr(const char *prefix,
 		prefix_path(prefix, prefix ? strlen(prefix) : 0, file);
 
 	if (collect_all) {
-		git_all_attrs(full_path, check);
+		git_all_attrs(&the_index, full_path, check);
 	} else {
-		if (git_check_attr(full_path, check))
+		if (git_check_attr(&the_index, full_path, check))
 			die("git_check_attr died");
 	}
 	output_attr(check, file);

index 4391504a91..3ff6da441f 100644
@@ -945,7 +945,7 @@ static int no_try_delta(const char *path)
 
 	if (!check)
 		check = attr_check_initl("delta", NULL);
-	if (git_check_attr(path, check))
+	if (git_check_attr(&the_index, path, check))
 		return 0;
 	if (ATTR_FALSE(check->items[0].value))
 		return 1;

index 7907efd16f..1935bde929 100644
@@ -1303,7 +1303,7 @@ static void convert_attrs(struct conv_attrs *ca, const char *path)
 		git_config(read_convert_config, NULL);
 	}
 
-	if (!git_check_attr(path, check)) {
+	if (!git_check_attr(&the_index, path, check)) {
 		struct attr_check_item *ccheck = check->items;
 		ca->crlf_action = git_path_check_crlf(ccheck + 4);
 		if (ca->crlf_action == CRLF_UNDEFINED)

index 21e6f2520a..29fbbd48c8 100644
@@ -281,7 +281,7 @@ static int match_attrs(const char *name, int namelen,
 {
 	int i;
 
-	git_check_attr(name, item->attr_check);
+	git_check_attr(&the_index, name, item->attr_check);
 	for (i = 0; i < item->attr_match_nr; i++) {
 		const char *value;
 		int matched;

index a6ad2ec12d..0e2800f7bb 100644
@@ -371,7 +371,7 @@ int ll_merge(mmbuffer_t *result_buf,
 	if (!check)
 		check = attr_check_initl("merge", "conflict-marker-size", NULL);
 
-	if (!git_check_attr(path, check)) {
+	if (!git_check_attr(&the_index, path, check)) {
 		ll_driver_name = check->items[0].value;
 		if (check->items[1].value) {
 			marker_size = atoi(check->items[1].value);

@@ -398,7 +398,7 @@ int ll_merge_marker_size(const char *path)
 
 	if (!check)
 		check = attr_check_initl("conflict-marker-size", NULL);
-	if (!git_check_attr(path, check) && check->items[0].value) {
+	if (!git_check_attr(&the_index, path, check) && check->items[0].value) {
 		marker_size = atoi(check->items[0].value);
 		if (marker_size <= 0)
 			marker_size = DEFAULT_CONFLICT_MARKER_SIZE;

index 36af25e7f9..f3f4be579c 100644
@@ -278,7 +278,7 @@ struct userdiff_driver *userdiff_find_by_path(const char *path)
 		check = attr_check_initl("diff", NULL);
 	if (!path)
 		return NULL;
-	if (git_check_attr(path, check))
+	if (git_check_attr(&the_index, path, check))
 		return NULL;
 
 	if (ATTR_TRUE(check->items[0].value))

index a07caedd5a..5b67b426e7 100644
@@ -78,7 +78,7 @@ unsigned whitespace_rule(const char *pathname)
 	if (!attr_whitespace_rule)
 		attr_whitespace_rule = attr_check_initl("whitespace", NULL);
 
-	if (!git_check_attr(pathname, attr_whitespace_rule)) {
+	if (!git_check_attr(&the_index, pathname, attr_whitespace_rule)) {
 		const char *value;
 
 		value = attr_whitespace_rule->items[0].value;

index 2594927248..2476f06ebd 100644
@@ -4335,7 +4335,7 @@ static int try_create_file(const char *path, unsigned int mode, const char *buf,
 	if (fd < 0)
 		return 1;
 
-	if (convert_to_working_tree(path, buf, size, &nbuf)) {
+	if (convert_to_working_tree(&the_index, path, buf, size, &nbuf)) {
 		size = nbuf.len;
 		buf  = nbuf.buf;
 	}

index a8397e6173..31de1bba52 100644
@@ -79,7 +79,7 @@ void *object_file_to_archive(const struct archiver_args *args,
 		size_t size = 0;
 
 		strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
-		convert_to_working_tree(path, buf.buf, buf.len, &buf);
+		convert_to_working_tree(&the_index, path, buf.buf, buf.len, &buf);
 		if (commit)
 			format_subst(commit, buf.buf, buf.len, &buf);
 		buffer = strbuf_detach(&buf, &size);

index 4a44b2404f..c726ee1092 100644
@@ -39,7 +39,7 @@ static int filter_object(const char *path, unsigned mode,
 			     oid_to_hex(oid), path);
 	if ((type == OBJ_BLOB) && S_ISREG(mode)) {
 		struct strbuf strbuf = STRBUF_INIT;
-		if (convert_to_working_tree(path, *buf, *size, &strbuf)) {
+		if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf)) {
 			free(*buf);
 			*size = strbuf.len;
 			*buf = strbuf_detach(&strbuf, NULL);

index 88bb2019ad..d996734b45 100644
@@ -63,7 +63,7 @@ static void write_eolinfo(const struct index_state *istate,
 		struct stat st;
 		const char *i_txt = "";
 		const char *w_txt = "";
-		const char *a_txt = get_convert_attr_ascii(path);
+		const char *a_txt = get_convert_attr_ascii(&the_index, path);
 		if (ce && S_ISREG(ce->ce_mode))
 			i_txt = get_cached_convert_stats_ascii(istate,
 							       ce->name);

122 lines not on this page · raw message

index 0a0fa15b58..6d0ee887ed 100644
@@ -60,15 +60,18 @@ extern char *check_roundtrip_encoding;
 const char *get_cached_convert_stats_ascii(const struct index_state *istate,
 					   const char *path);
 const char *get_wt_convert_stats_ascii(const char *path);
-const char *get_convert_attr_ascii(const char *path);
+const char *get_convert_attr_ascii(const struct index_state *istate,
+				   const char *path);
 
 /* returns 1 if *dst was used */
 int convert_to_git(const struct index_state *istate,
 		   const char *path, const char *src, size_t len,
 		   struct strbuf *dst, int conv_flags);
-int convert_to_working_tree(const char *path, const char *src,
+int convert_to_working_tree(const struct index_state *istate,
+			    const char *path, const char *src,
 			    size_t len, struct strbuf *dst);
-int async_convert_to_working_tree(const char *path, const char *src,
+int async_convert_to_working_tree(const struct index_state *istate,
+				  const char *path, const char *src,
 				  size_t len, struct strbuf *dst,
 				  void *dco);
 int async_query_available_blobs(const char *cmd,

@@ -86,7 +89,8 @@ void convert_to_git_filter_fd(const struct index_state *istate,
 			      const char *path, int fd,
 			      struct strbuf *dst,
 			      int conv_flags);
-int would_convert_to_git_filter_fd(const char *path);
+int would_convert_to_git_filter_fd(const struct index_state *istate,
+				   const char *path);
 
 /*****************************************************************
  *

@@ -96,7 +100,8 @@ int would_convert_to_git_filter_fd(const char *path);
 
 struct stream_filter; /* opaque */
 
-struct stream_filter *get_stream_filter(const char *path,
+struct stream_filter *get_stream_filter(const struct index_state *istate,
+					const char *path,
 					const struct object_id *);
 void free_stream_filter(struct stream_filter *);
 int is_null_stream_filter(struct stream_filter *);

index 72ce8007fd..3670206d23 100644
@@ -3893,7 +3893,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
 	temp->tempfile = mks_tempfile_ts(tempfile.buf, strlen(base) + 1);
 	if (!temp->tempfile)
 		die_errno("unable to create temp-file");
-	if (convert_to_working_tree(path,
+	if (convert_to_working_tree(&the_index, path,
 			(const char *)blob, (size_t)size, &buf)) {
 		blob = buf.buf;
 		size = buf.len;

index b5d1d3cf23..b2381fd9f6 100644
@@ -266,7 +266,7 @@ static int write_entry(struct cache_entry *ce,
 	const struct submodule *sub;
 
 	if (ce_mode_s_ifmt == S_IFREG) {
-		struct stream_filter *filter = get_stream_filter(ce->name,
+		struct stream_filter *filter = get_stream_filter(&the_index, ce->name,
 								 &ce->oid);
 		if (filter &&
 		    !streaming_write_entry(ce, path, filter,

@@ -314,14 +314,14 @@ static int write_entry(struct cache_entry *ce,
 		 * Convert from git internal format to working tree format
 		 */
 		if (dco && dco->state != CE_NO_DELAY) {
-			ret = async_convert_to_working_tree(ce->name, new_blob,
+			ret = async_convert_to_working_tree(&the_index, ce->name, new_blob,
 							    size, &buf, dco);
 			if (ret && string_list_has_string(&dco->paths, ce->name)) {
 				free(new_blob);
 				goto delayed;
 			}
 		} else
-			ret = convert_to_working_tree(ce->name, new_blob, size, &buf);
+			ret = convert_to_working_tree(&the_index, ce->name, new_blob, size, &buf);
 
 		if (ret) {
 			free(new_blob);

index 1446e92bea..defcbff93b 100644
@@ -966,7 +966,7 @@ static int update_file_flags(struct merge_options *o,
 		}
 		if (S_ISREG(mode)) {
 			struct strbuf strbuf = STRBUF_INIT;
-			if (convert_to_working_tree(path, buf, size, &strbuf)) {
+			if (convert_to_working_tree(&the_index, path, buf, size, &strbuf)) {
 				free(buf);
 				size = strbuf.len;
 				buf = strbuf_detach(&strbuf, NULL);

index dfa8a35d68..0016d46052 100644
@@ -1860,7 +1860,7 @@ static int index_stream_convert_blob(struct object_id *oid, int fd,
 	struct strbuf sbuf = STRBUF_INIT;
 
 	assert(path);
-	assert(would_convert_to_git_filter_fd(path));
+	assert(would_convert_to_git_filter_fd(&the_index, path));
 
 	convert_to_git_filter_fd(&the_index, path, fd, &sbuf,
 				 get_conv_flags(flags));

@@ -1950,7 +1950,7 @@ int index_fd(struct object_id *oid, int fd, struct stat *st,
 	 * Call xsize_t() only when needed to avoid potentially unnecessary
 	 * die() for large files.
 	 */
-	if (type == OBJ_BLOB && path && would_convert_to_git_filter_fd(path))
+	if (type == OBJ_BLOB && path && would_convert_to_git_filter_fd(&the_index, path))
 		ret = index_stream_convert_blob(oid, fd, path, flags);
 	else if (!S_ISREG(st->st_mode))
 		ret = index_pipe(oid, fd, type, path, flags);

index 31de1bba52..c81e35bf23 100644
@@ -313,7 +313,7 @@ static int reject_entry(const struct object_id *oid, struct strbuf *base,
 		struct strbuf sb = STRBUF_INIT;
 		strbuf_addbuf(&sb, base);
 		strbuf_addstr(&sb, filename);
-		if (!match_pathspec(context, sb.buf, sb.len, 0, NULL, 1))
+		if (!match_pathspec(&the_index, context, sb.buf, sb.len, 0, NULL, 1))
 			ret = READ_TREE_RECURSIVE;
 		strbuf_release(&sb);
 	}

index 8a155dd41e..066623a195 100644
@@ -40,7 +40,7 @@ static void chmod_pathspec(struct pathspec *pathspec, char flip)
 	for (i = 0; i < active_nr; i++) {
 		struct cache_entry *ce = active_cache[i];
 
-		if (pathspec && !ce_path_match(ce, pathspec, NULL))
+		if (pathspec && !ce_path_match(&the_index, ce, pathspec, NULL))
 			continue;
 
 		if (chmod_cache_entry(ce, flip) < 0)

@@ -135,7 +135,7 @@ static int renormalize_tracked_files(const struct pathspec *pathspec, int flags)
 			continue; /* do not touch unmerged paths */
 		if (!S_ISREG(ce->ce_mode) && !S_ISLNK(ce->ce_mode))
 			continue; /* do not touch non blobs */
-		if (pathspec && !ce_path_match(ce, pathspec, NULL))
+		if (pathspec && !ce_path_match(&the_index, ce, pathspec, NULL))
 			continue;
 		retval |= add_file_to_cache(ce->name, flags | HASH_RENORMALIZE);
 	}

@@ -155,7 +155,7 @@ static char *prune_directory(struct dir_struct *dir, struct pathspec *pathspec,
 	i = dir->nr;
 	while (--i >= 0) {
 		struct dir_entry *entry = *src++;
-		if (dir_path_match(entry, pathspec, prefix, seen))
+		if (dir_path_match(&the_index, entry, pathspec, prefix, seen))
 			*dst++ = entry;
 	}
 	dir->nr = dst - dir->entries;

index 516136a23a..54acb8d268 100644
@@ -318,7 +318,7 @@ static int checkout_paths(const struct checkout_opts *opts,
 		 * match_pathspec() for _all_ entries when
 		 * opts->source_tree != NULL.
 		 */
-		if (ce_path_match(ce, &opts->pathspec, ps_matched))
+		if (ce_path_match(&the_index, ce, &opts->pathspec, ps_matched))
 			ce->ce_flags |= CE_MATCHED;
 	}
 

index ab402c204c..8d9a7dc206 100644
@@ -976,7 +976,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
 			continue;
 
 		if (pathspec.nr)
-			matches = dir_path_match(ent, &pathspec, 0, NULL);
+			matches = dir_path_match(&the_index, ent, &pathspec, 0, NULL);
 
 		if (pathspec.nr && !matches)
 			continue;

index 158e3f843a..21277dd42e 100644
@@ -251,7 +251,7 @@ static int list_paths(struct string_list *list, const char *with_tree,
 
 		if (ce->ce_flags & CE_UPDATE)
 			continue;
-		if (!ce_path_match(ce, pattern, m))
+		if (!ce_path_match(&the_index, ce, pattern, m))
 			continue;
 		item = string_list_insert(list, ce->name);
 		if (ce_skip_worktree(ce))

index 056161f0f8..9d7ba87f9b 100644
@@ -497,7 +497,7 @@ static int grep_cache(struct grep_opt *opt, struct repository *repo,
 		strbuf_addstr(&name, ce->name);
 
 		if (S_ISREG(ce->ce_mode) &&
-		    match_pathspec(pathspec, name.buf, name.len, 0, NULL,
+		    match_pathspec(&the_index, pathspec, name.buf, name.len, 0, NULL,
 				   S_ISDIR(ce->ce_mode) ||
 				   S_ISGITLINK(ce->ce_mode))) {
 			/*

@@ -515,7 +515,7 @@ static int grep_cache(struct grep_opt *opt, struct repository *repo,
 				hit |= grep_file(opt, name.buf);
 			}
 		} else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
-			   submodule_path_match(pathspec, name.buf, NULL)) {
+			   submodule_path_match(&the_index, pathspec, name.buf, NULL)) {
 			hit |= grep_submodule(opt, repo, pathspec, NULL, ce->name, ce->name);
 		} else {
 			continue;

@@ -679,7 +679,7 @@ static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec,
 
 	fill_directory(&dir, &the_index, pathspec);
 	for (i = 0; i < dir.nr; i++) {
-		if (!dir_path_match(dir.entries[i], pathspec, 0, NULL))
+		if (!dir_path_match(&the_index, dir.entries[i], pathspec, 0, NULL))
 			continue;
 		hit |= grep_file(opt, dir.entries[i]->name);
 		if (hit && opt->status_only)

index d996734b45..7233b92794 100644
@@ -128,7 +128,7 @@ static void show_dir_entry(const char *tag, struct dir_entry *ent)
 	if (len > ent->len)
 		die("git ls-files: internal error - directory entry not superset of prefix");
 
-	if (!dir_path_match(ent, &pathspec, len, ps_matched))
+	if (!dir_path_match(&the_index, ent, &pathspec, len, ps_matched))
 		return;
 
 	fputs(tag, stdout);

@@ -228,7 +228,7 @@ static void show_ce(struct repository *repo, struct dir_struct *dir,
 	if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
 	    is_submodule_active(repo, ce->name)) {
 		show_submodule(repo, dir, ce->name);
-	} else if (match_pathspec(&pathspec, fullname, strlen(fullname),
+	} else if (match_pathspec(&the_index, &pathspec, fullname, strlen(fullname),
 				  max_prefix_len, ps_matched,
 				  S_ISDIR(ce->ce_mode) ||
 				  S_ISGITLINK(ce->ce_mode))) {

@@ -264,7 +264,7 @@ static void show_ru_info(const struct index_state *istate)
 		len = strlen(path);
 		if (len < max_prefix_len)
 			continue; /* outside of the prefix */
-		if (!match_pathspec(&pathspec, path, len,
+		if (!match_pathspec(&the_index, &pathspec, path, len,
 				    max_prefix_len, ps_matched, 0))
 			continue; /* uninterested */
 		for (i = 0; i < 3; i++) {

index 65b448ef8e..eebdc4aab1 100644
@@ -278,7 +278,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
 
 	for (i = 0; i < active_nr; i++) {
 		const struct cache_entry *ce = active_cache[i];
-		if (!ce_path_match(ce, &pathspec, seen))
+		if (!ce_path_match(&the_index, ce, &pathspec, seen))
 			continue;
 		ALLOC_GROW(list.entry, list.nr + 1, list.alloc);
 		list.entry[list.nr].name = xstrdup(ce->name);

index a3c4564c6c..a4440a3109 100644
@@ -331,7 +331,7 @@ static int module_list_compute(int argc, const char **argv,
 	for (i = 0; i < active_nr; i++) {
 		const struct cache_entry *ce = active_cache[i];
 
-		if (!match_pathspec(pathspec, ce->name, ce_namelen(ce),
+		if (!match_pathspec(&the_index, pathspec, ce->name, ce_namelen(ce),
 				    0, ps_matched, 1) ||
 		    !S_ISGITLINK(ce->ce_mode))
 			continue;

index f5c0b6a1d2..f75fd24083 100644
@@ -748,7 +748,7 @@ static int do_reupdate(int ac, const char **av,
 		int save_nr;
 		char *path;
 
-		if (ce_stage(ce) || !ce_path_match(ce, &pathspec, NULL))
+		if (ce_stage(ce) || !ce_path_match(&the_index, ce, &pathspec, NULL))
 			continue;
 		if (has_head)
 			old = read_one_ent(NULL, &head_oid,

index 732f684a49..88a98b1c06 100644
@@ -109,7 +109,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
 		if (diff_can_quit_early(&revs->diffopt))
 			break;
 
-		if (!ce_path_match(ce, &revs->prune_data, NULL))
+		if (!ce_path_match(&the_index, ce, &revs->prune_data, NULL))
 			continue;
 
 		if (ce_stage(ce)) {

@@ -474,7 +474,7 @@ static int oneway_diff(const struct cache_entry * const *src,
 	if (tree == o->df_conflict_entry)
 		tree = NULL;
 
-	if (ce_path_match(idx ? idx : tree, &revs->prune_data, NULL)) {
+	if (ce_path_match(&the_index, idx ? idx : tree, &revs->prune_data, NULL)) {
 		do_oneway_diff(o, idx, tree);
 		if (diff_can_quit_early(&revs->diffopt)) {
 			o->exiting_early = 1;

index 29fbbd48c8..e25aed013b 100644
@@ -276,12 +276,13 @@ static int do_read_blob(const struct object_id *oid, struct oid_stat *oid_stat,
 #define DO_MATCH_DIRECTORY (1<<1)
 #define DO_MATCH_SUBMODULE (1<<2)
 
-static int match_attrs(const char *name, int namelen,
+static int match_attrs(const struct index_state *istate,
+		       const char *name, int namelen,
 		       const struct pathspec_item *item)
 {
 	int i;
 
-	git_check_attr(&the_index, name, item->attr_check);
+	git_check_attr(istate, name, item->attr_check);
 	for (i = 0; i < item->attr_match_nr; i++) {
 		const char *value;
 		int matched;

@@ -318,7 +319,8 @@ static int match_attrs(const char *name, int namelen,
  *
  * It returns 0 when there is no match.
  */
-static int match_pathspec_item(const struct pathspec_item *item, int prefix,
+static int match_pathspec_item(const struct index_state *istate,
+			       const struct pathspec_item *item, int prefix,
 			       const char *name, int namelen, unsigned flags)
 {
 	/* name/namelen has prefix cut off by caller */

@@ -358,7 +360,7 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
 	    strncmp(item->match, name - prefix, item->prefix))
 		return 0;
 
-	if (item->attr_match_nr && !match_attrs(name, namelen, item))
+	if (item->attr_match_nr && !match_attrs(istate, name, namelen, item))
 		return 0;
 
 	/* If the match was just the prefix, we matched */

@@ -426,7 +428,8 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
  * pathspec did not match any names, which could indicate that the
  * user mistyped the nth pathspec.
  */
-static int do_match_pathspec(const struct pathspec *ps,
+static int do_match_pathspec(const struct index_state *istate,
+			     const struct pathspec *ps,
 			     const char *name, int namelen,
 			     int prefix, char *seen,
 			     unsigned flags)

@@ -472,7 +475,7 @@ static int do_match_pathspec(const struct pathspec *ps,
 		 */
 		if (seen && ps->items[i].magic & PATHSPEC_EXCLUDE)
 			seen[i] = MATCHED_FNMATCH;
-		how = match_pathspec_item(ps->items+i, prefix, name,
+		how = match_pathspec_item(istate, ps->items+i, prefix, name,
 					  namelen, flags);
 		if (ps->recursive &&
 		    (ps->magic & PATHSPEC_MAXDEPTH) &&

@@ -496,17 +499,18 @@ static int do_match_pathspec(const struct pathspec *ps,
 	return retval;
 }
 
-int match_pathspec(const struct pathspec *ps,
+int match_pathspec(const struct index_state *istate,
+		   const struct pathspec *ps,
 		   const char *name, int namelen,
 		   int prefix, char *seen, int is_dir)
 {
 	int positive, negative;
 	unsigned flags = is_dir ? DO_MATCH_DIRECTORY : 0;
-	positive = do_match_pathspec(ps, name, namelen,
+	positive = do_match_pathspec(istate, ps, name, namelen,
 				     prefix, seen, flags);
 	if (!(ps->magic & PATHSPEC_EXCLUDE) || !positive)
 		return positive;
-	negative = do_match_pathspec(ps, name, namelen,
+	negative = do_match_pathspec(istate, ps, name, namelen,
 				     prefix, seen,
 				     flags | DO_MATCH_EXCLUDE);
 	return negative ? 0 : positive;

@@ -515,11 +519,12 @@ int match_pathspec(const struct pathspec *ps,
 /**
  * Check if a submodule is a superset of the pathspec
  */
-int submodule_path_match(const struct pathspec *ps,
+int submodule_path_match(const struct index_state *istate,
+			 const struct pathspec *ps,
 			 const char *submodule_name,
 			 char *seen)
 {
-	int matched = do_match_pathspec(ps, submodule_name,
+	int matched = do_match_pathspec(istate, ps, submodule_name,
 					strlen(submodule_name),
 					0, seen,
 					DO_MATCH_DIRECTORY |

index f5fdedbab2..e3ec26143d 100644
@@ -216,7 +216,8 @@ extern int count_slashes(const char *s);
 extern int simple_length(const char *match);
 extern int no_wildcard(const char *string);
 extern char *common_prefix(const struct pathspec *pathspec);
-extern int match_pathspec(const struct pathspec *pathspec,
+extern int match_pathspec(const struct index_state *istate,
+			  const struct pathspec *pathspec,
 			  const char *name, int namelen,
 			  int prefix, char *seen, int is_dir);
 extern int report_path_error(const char *ps_matched, const struct pathspec *pathspec, const char *prefix);

@@ -326,25 +327,28 @@ extern int git_fnmatch(const struct pathspec_item *item,
 		       const char *pattern, const char *string,
 		       int prefix);
 
-extern int submodule_path_match(const struct pathspec *ps,
+extern int submodule_path_match(const struct index_state *istate,
+				const struct pathspec *ps,
 				const char *submodule_name,
 				char *seen);
 
-static inline int ce_path_match(const struct cache_entry *ce,
+static inline int ce_path_match(const struct index_state *istate,
+				const struct cache_entry *ce,
 				const struct pathspec *pathspec,
 				char *seen)
 {
-	return match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen,
+	return match_pathspec(istate, pathspec, ce->name, ce_namelen(ce), 0, seen,
 			      S_ISDIR(ce->ce_mode) || S_ISGITLINK(ce->ce_mode));
 }
 
-static inline int dir_path_match(const struct dir_entry *ent,
+static inline int dir_path_match(const struct index_state *istate,
+				 const struct dir_entry *ent,
 				 const struct pathspec *pathspec,
 				 int prefix, char *seen)
 {
 	int has_trailing_dir = ent->len && ent->name[ent->len - 1] == '/';
 	int len = has_trailing_dir ? ent->len - 1 : ent->len;
-	return match_pathspec(pathspec, ent->name, len, prefix, seen,
+	return match_pathspec(istate, pathspec, ent->name, len, prefix, seen,
 			      has_trailing_dir);
 }
 

index 27cd606786..897cb9cbbe 100644
@@ -37,7 +37,7 @@ void add_pathspec_matches_against_index(const struct pathspec *pathspec,
 		return;
 	for (i = 0; i < istate->cache_nr; i++) {
 		const struct cache_entry *ce = istate->cache[i];
-		ce_path_match(ce, pathspec, seen);
+		ce_path_match(&the_index, ce, pathspec, seen);
 	}
 }
 

index 4d08d44874..d61d7662d5 100644
@@ -58,7 +58,7 @@ static void *preload_thread(void *_data)
 			continue;
 		if (ce->ce_flags & CE_FSMONITOR_VALID)
 			continue;
-		if (!ce_path_match(ce, &p->pathspec, NULL))
+		if (!ce_path_match(&the_index, ce, &p->pathspec, NULL))
 			continue;
 		if (threaded_has_symlink_leading_path(&cache, ce->name, ce_namelen(ce)))
 			continue;

index 880849fc8a..3a930bbcc1 100644
@@ -1493,7 +1493,7 @@ int refresh_index(struct index_state *istate, unsigned int flags,
 		if (ignore_submodules && S_ISGITLINK(ce->ce_mode))
 			continue;
 
-		if (pathspec && !ce_path_match(ce, pathspec, seen))
+		if (pathspec && !ce_path_match(&the_index, ce, pathspec, seen))
 			filtered = 1;
 
 		if (ce_stage(ce)) {

index 16c8aac621..c7787aa07f 100644
@@ -1120,7 +1120,7 @@ int rerere_forget(struct pathspec *pathspec)
 	find_conflict(&conflict);
 	for (i = 0; i < conflict.nr; i++) {
 		struct string_list_item *it = &conflict.items[i];
-		if (!match_pathspec(pathspec, it->string,
+		if (!match_pathspec(&the_index, pathspec, it->string,
 				    strlen(it->string), 0, NULL, 0))
 			continue;
 		rerere_forget_one_path(it->string, &merge_rr);

index c30ae5cf49..d2e2d22b7f 100644
@@ -188,7 +188,7 @@ void unmerge_index(struct index_state *istate, const struct pathspec *pathspec)
 
 	for (i = 0; i < istate->cache_nr; i++) {
 		const struct cache_entry *ce = istate->cache[i];
-		if (!ce_path_match(ce, pathspec, NULL))
+		if (!ce_path_match(&the_index, ce, pathspec, NULL))
 			continue;
 		i = unmerge_index_entry_at(istate, i);
 	}

index 0627494378..de4dce600d 100644
@@ -1517,7 +1517,7 @@ static void prepare_show_merge(struct rev_info *revs)
 		const struct cache_entry *ce = active_cache[i];
 		if (!ce_stage(ce))
 			continue;
-		if (ce_path_match(ce, &revs->prune_data, NULL)) {
+		if (ce_path_match(&the_index, ce, &revs->prune_data, NULL)) {
 			prune_num++;
 			REALLOC_ARRAY(prune, prune_num);
 			prune[prune_num-2] = ce->name;

index 6e14547e9e..293efc2a2f 100644
@@ -258,7 +258,7 @@ int is_submodule_active(struct repository *repo, const char *path)
 		}
 
 		parse_pathspec(&ps, 0, 0, NULL, args.argv);
-		ret = match_pathspec(&ps, path, strlen(path), 0, NULL, 1);
+		ret = match_pathspec(&the_index, &ps, path, strlen(path), 0, NULL, 1);
 
 		argv_array_clear(&args);
 		clear_pathspec(&ps);

index 6bf2fdbab6..5ffab61015 100644
@@ -647,7 +647,7 @@ static void wt_status_collect_changes_initial(struct wt_status *s)
 		struct wt_status_change_data *d;
 		const struct cache_entry *ce = active_cache[i];
 
-		if (!ce_path_match(ce, &s->pathspec, NULL))
+		if (!ce_path_match(&the_index, ce, &s->pathspec, NULL))
 			continue;
 		if (ce_intent_to_add(ce))
 			continue;

@@ -703,7 +703,7 @@ static void wt_status_collect_untracked(struct wt_status *s)
 	for (i = 0; i < dir.nr; i++) {
 		struct dir_entry *ent = dir.entries[i];
 		if (cache_name_is_other(ent->name, ent->len) &&
-		    dir_path_match(ent, &s->pathspec, 0, NULL))
+		    dir_path_match(&the_index, ent, &s->pathspec, 0, NULL))
 			string_list_insert(&s->untracked, ent->name);
 		free(ent);
 	}

@@ -711,7 +711,7 @@ static void wt_status_collect_untracked(struct wt_status *s)
 	for (i = 0; i < dir.ignored_nr; i++) {
 		struct dir_entry *ent = dir.ignored[i];
 		if (cache_name_is_other(ent->name, ent->len) &&
-		    dir_path_match(ent, &s->pathspec, 0, NULL))
+		    dir_path_match(&the_index, ent, &s->pathspec, 0, NULL))
 			string_list_insert(&s->ignored, ent->name);
 		free(ent);
 	}

index d61d7662d5..71cd2437a3 100644
@@ -58,7 +58,7 @@ static void *preload_thread(void *_data)
 			continue;
 		if (ce->ce_flags & CE_FSMONITOR_VALID)
 			continue;
-		if (!ce_path_match(&the_index, ce, &p->pathspec, NULL))
+		if (!ce_path_match(index, ce, &p->pathspec, NULL))
 			continue;
 		if (threaded_has_symlink_leading_path(&cache, ce->name, ce_namelen(ce)))
 			continue;

index 7233b92794..7f9919a362 100644
@@ -63,7 +63,7 @@ static void write_eolinfo(const struct index_state *istate,
 		struct stat st;
 		const char *i_txt = "";
 		const char *w_txt = "";
-		const char *a_txt = get_convert_attr_ascii(&the_index, path);
+		const char *a_txt = get_convert_attr_ascii(istate, path);
 		if (ce && S_ISREG(ce->ce_mode))
 			i_txt = get_cached_convert_stats_ascii(istate,
 							       ce->name);

@@ -121,18 +121,19 @@ static void print_debug(const struct cache_entry *ce)
 	}
 }
 
-static void show_dir_entry(const char *tag, struct dir_entry *ent)
+static void show_dir_entry(const struct index_state *istate,
+			   const char *tag, struct dir_entry *ent)
 {
 	int len = max_prefix_len;
 
 	if (len > ent->len)
 		die("git ls-files: internal error - directory entry not superset of prefix");
 
-	if (!dir_path_match(&the_index, ent, &pathspec, len, ps_matched))
+	if (!dir_path_match(istate, ent, &pathspec, len, ps_matched))
 		return;
 
 	fputs(tag, stdout);
-	write_eolinfo(NULL, NULL, ent->name);
+	write_eolinfo(istate, NULL, ent->name);
 	write_name(ent->name);
 }
 

@@ -145,7 +146,7 @@ static void show_other_files(const struct index_state *istate,
 		struct dir_entry *ent = dir->entries[i];
 		if (!index_name_is_other(istate, ent->name, ent->len))
 			continue;
-		show_dir_entry(tag_other, ent);
+		show_dir_entry(istate, tag_other, ent);
 	}
 }
 

@@ -196,7 +197,7 @@ static void show_killed_files(const struct index_state *istate,
 			}
 		}
 		if (killed)
-			show_dir_entry(tag_killed, dir->entries[i]);
+			show_dir_entry(istate, tag_killed, dir->entries[i]);
 	}
 }
 

@@ -228,7 +229,7 @@ static void show_ce(struct repository *repo, struct dir_struct *dir,
 	if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
 	    is_submodule_active(repo, ce->name)) {
 		show_submodule(repo, dir, ce->name);
-	} else if (match_pathspec(&the_index, &pathspec, fullname, strlen(fullname),
+	} else if (match_pathspec(repo->index, &pathspec, fullname, strlen(fullname),
 				  max_prefix_len, ps_matched,
 				  S_ISDIR(ce->ce_mode) ||
 				  S_ISGITLINK(ce->ce_mode))) {

@@ -264,7 +265,7 @@ static void show_ru_info(const struct index_state *istate)
 		len = strlen(path);
 		if (len < max_prefix_len)
 			continue; /* outside of the prefix */
-		if (!match_pathspec(&the_index, &pathspec, path, len,
+		if (!match_pathspec(istate, &pathspec, path, len,
 				    max_prefix_len, ps_matched, 0))
 			continue; /* uninterested */
 		for (i = 0; i < 3; i++) {

index c2b434c606..534358fcc5 100644
@@ -82,8 +82,8 @@ struct unpack_trees_options {
 	struct exclude_list *el; /* for internal use */
 };
 
-extern int unpack_trees(unsigned n, struct tree_desc *t,
-		struct unpack_trees_options *options);
+int unpack_trees(unsigned n, struct tree_desc *t,
+		 struct unpack_trees_options *options);
 
 int verify_uptodate(const struct cache_entry *ce,
 		    struct unpack_trees_options *o);

index f9efee0836..c07a6cd646 100644
@@ -1552,6 +1552,17 @@ static int verify_uptodate_sparse(const struct cache_entry *ce,
 	return verify_uptodate_1(ce, o, ERROR_SPARSE_NOT_UPTODATE_FILE);
 }
 
+/*
+ * TODO: We should actually invalidate o->result, not src_index [1].
+ * But since cache tree and untracked cache both are not copied to
+ * o->result until unpacking is complete, we invalidate them on
+ * src_index instead with the assumption that they will be copied to
+ * dst_index at the end.
+ *
+ * [1] src_index->cache_tree is also used in unpack_callback() so if
+ * we invalidate o->result, we need to update it to use
+ * o->result.cache_tree as well.
+ */
 static void invalidate_ce_path(const struct cache_entry *ce,
 			       struct unpack_trees_options *o)
 {

index c07a6cd646..f50b463f65 100644
@@ -1238,7 +1238,7 @@ static int clear_ce_flags(struct cache_entry **cache, int nr,
  * Set/Clear CE_NEW_SKIP_WORKTREE according to $GIT_DIR/info/sparse-checkout
  */
 static void mark_new_skip_worktree(struct exclude_list *el,
-				   struct index_state *the_index,
+				   struct index_state *istate,
 				   int select_flag, int skip_wt_flag)
 {
 	int i;

@@ -1247,8 +1247,8 @@ static void mark_new_skip_worktree(struct exclude_list *el,
 	 * 1. Pretend the narrowest worktree: only unmerged entries
 	 * are checked out
 	 */
-	for (i = 0; i < the_index->cache_nr; i++) {
-		struct cache_entry *ce = the_index->cache[i];
+	for (i = 0; i < istate->cache_nr; i++) {
+		struct cache_entry *ce = istate->cache[i];
 
 		if (select_flag && !(ce->ce_flags & select_flag))
 			continue;

@@ -1263,8 +1263,7 @@ static void mark_new_skip_worktree(struct exclude_list *el,
 	 * 2. Widen worktree according to sparse-checkout file.
 	 * Matched entries will have skip_wt_flag cleared (i.e. "in")
 	 */
-	clear_ce_flags(the_index->cache, the_index->cache_nr,
-		       select_flag, skip_wt_flag, el);
+	clear_ce_flags(istate->cache, istate->cache_nr, select_flag, skip_wt_flag, el);
 }
 
 static int verify_absent(const struct cache_entry *,

index f50b463f65..5d11f10e66 100644
@@ -1092,13 +1092,15 @@ static int unpack_callback(int n, unsigned long mask, unsigned long dirmask, str
 	return mask;
 }
 
-static int clear_ce_flags_1(struct cache_entry **cache, int nr,
+static int clear_ce_flags_1(struct index_state *istate,
+			    struct cache_entry **cache, int nr,
 			    struct strbuf *prefix,
 			    int select_mask, int clear_mask,
 			    struct exclude_list *el, int defval);
 
 /* Whole directory matching */
-static int clear_ce_flags_dir(struct cache_entry **cache, int nr,
+static int clear_ce_flags_dir(struct index_state *istate,
+			      struct cache_entry **cache, int nr,
 			      struct strbuf *prefix,
 			      char *basename,
 			      int select_mask, int clear_mask,

@@ -1107,7 +1109,7 @@ static int clear_ce_flags_dir(struct cache_entry **cache, int nr,
 	struct cache_entry **cache_end;
 	int dtype = DT_DIR;
 	int ret = is_excluded_from_list(prefix->buf, prefix->len,
-					basename, &dtype, el, &the_index);
+					basename, &dtype, el, istate);
 	int rc;
 
 	strbuf_addch(prefix, '/');

@@ -1129,7 +1131,7 @@ static int clear_ce_flags_dir(struct cache_entry **cache, int nr,
 	 * calling clear_ce_flags_1(). That function will call
 	 * the expensive is_excluded_from_list() on every entry.
 	 */
-	rc = clear_ce_flags_1(cache, cache_end - cache,
+	rc = clear_ce_flags_1(istate, cache, cache_end - cache,
 			      prefix,
 			      select_mask, clear_mask,
 			      el, ret);

@@ -1152,7 +1154,8 @@ static int clear_ce_flags_dir(struct cache_entry **cache, int nr,
  *   cache[0]->name[0..(prefix_len-1)]
  * Top level path has prefix_len zero.
  */
-static int clear_ce_flags_1(struct cache_entry **cache, int nr,
+static int clear_ce_flags_1(struct index_state *istate,
+			    struct cache_entry **cache, int nr,
 			    struct strbuf *prefix,
 			    int select_mask, int clear_mask,
 			    struct exclude_list *el, int defval)

@@ -1186,7 +1189,7 @@ static int clear_ce_flags_1(struct cache_entry **cache, int nr,
 			len = slash - name;
 			strbuf_add(prefix, name, len);
 
-			processed = clear_ce_flags_dir(cache, cache_end - cache,
+			processed = clear_ce_flags_dir(istate, cache, cache_end - cache,
 						       prefix,
 						       prefix->buf + prefix->len - len,
 						       select_mask, clear_mask,

@@ -1200,7 +1203,7 @@ static int clear_ce_flags_1(struct cache_entry **cache, int nr,
 			}
 
 			strbuf_addch(prefix, '/');
-			cache += clear_ce_flags_1(cache, cache_end - cache,
+			cache += clear_ce_flags_1(istate, cache, cache_end - cache,
 						  prefix,
 						  select_mask, clear_mask, el, defval);
 			strbuf_setlen(prefix, prefix->len - len - 1);

@@ -1210,7 +1213,7 @@ static int clear_ce_flags_1(struct cache_entry **cache, int nr,
 		/* Non-directory */
 		dtype = ce_to_dtype(ce);
 		ret = is_excluded_from_list(ce->name, ce_namelen(ce),
-					    name, &dtype, el, &the_index);
+					    name, &dtype, el, istate);
 		if (ret < 0)
 			ret = defval;
 		if (ret > 0)

@@ -1220,15 +1223,17 @@ static int clear_ce_flags_1(struct cache_entry **cache, int nr,
 	return nr - (cache_end - cache);
 }
 
-static int clear_ce_flags(struct cache_entry **cache, int nr,
-			    int select_mask, int clear_mask,
-			    struct exclude_list *el)
+static int clear_ce_flags(struct index_state *istate,
+			  int select_mask, int clear_mask,
+			  struct exclude_list *el)
 {
 	static struct strbuf prefix = STRBUF_INIT;
 
 	strbuf_reset(&prefix);
 
-	return clear_ce_flags_1(cache, nr,
+	return clear_ce_flags_1(istate,
+				istate->cache,
+				istate->cache_nr,
 				&prefix,
 				select_mask, clear_mask,
 				el, 0);

@@ -1263,7 +1268,7 @@ static void mark_new_skip_worktree(struct exclude_list *el,
 	 * 2. Widen worktree according to sparse-checkout file.
 	 * Matched entries will have skip_wt_flag cleared (i.e. "in")
 	 */
-	clear_ce_flags(istate->cache, istate->cache_nr, select_flag, skip_wt_flag, el);
+	clear_ce_flags(istate, select_flag, skip_wt_flag, el);
 }
 
 static int verify_absent(const struct cache_entry *,

index 5d11f10e66..14e9043f9d 100644
@@ -1658,7 +1658,7 @@ static int verify_clean_subdirectory(const struct cache_entry *ce,
 	memset(&d, 0, sizeof(d));
 	if (o->dir)
 		d.exclude_per_dir = o->dir->exclude_per_dir;
-	i = read_directory(&d, &the_index, pathbuf, namelen+1, NULL);
+	i = read_directory(&d, o->src_index, pathbuf, namelen+1, NULL);
 	if (i)
 		return o->gently ? -1 :
 			add_rejected_path(o, ERROR_NOT_UPTODATE_DIR, ce->name);

@@ -1700,7 +1700,7 @@ static int check_ok_to_remove(const char *name, int len, int dtype,
 		return 0;
 
 	if (o->dir &&
-	    is_excluded(o->dir, &the_index, name, &dtype))
+	    is_excluded(o->dir, o->src_index, name, &dtype))
 		/*
 		 * ce->name is explicitly excluded, so it is Ok to
 		 * overwrite it.

index 897cb9cbbe..6f005996fd 100644
@@ -37,7 +37,7 @@ void add_pathspec_matches_against_index(const struct pathspec *pathspec,
 		return;
 	for (i = 0; i < istate->cache_nr; i++) {
 		const struct cache_entry *ce = istate->cache[i];
-		ce_path_match(&the_index, ce, pathspec, seen);
+		ce_path_match(istate, ce, pathspec, seen);
 	}
 }
 

index 293efc2a2f..50cbf5f13e 100644
@@ -93,7 +93,7 @@ int update_path_in_gitmodules(const char *oldpath, const char *newpath)
 	if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */
 		return -1;
 
-	if (is_gitmodules_unmerged(&the_index))
+	if (is_gitmodules_unmerged(the_repository->index))
 		die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first"));
 
 	submodule = submodule_from_path(the_repository, &null_oid, oldpath);

@@ -127,7 +127,7 @@ int remove_path_from_gitmodules(const char *path)
 	if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */
 		return -1;
 
-	if (is_gitmodules_unmerged(&the_index))
+	if (is_gitmodules_unmerged(the_repository->index))
 		die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first"));
 
 	submodule = submodule_from_path(the_repository, &null_oid, path);

@@ -188,7 +188,7 @@ void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt,
 
 		if (ignore)
 			handle_ignore_submodules_arg(diffopt, ignore);
-		else if (is_gitmodules_unmerged(&the_index))
+		else if (is_gitmodules_unmerged(the_repository->index))
 			diffopt->flags.ignore_submodules = 1;
 	}
 }

@@ -258,7 +258,7 @@ int is_submodule_active(struct repository *repo, const char *path)
 		}
 
 		parse_pathspec(&ps, 0, 0, NULL, args.argv);
-		ret = match_pathspec(&the_index, &ps, path, strlen(path), 0, NULL, 1);
+		ret = match_pathspec(repo->index, &ps, path, strlen(path), 0, NULL, 1);
 
 		argv_array_clear(&args);
 		clear_pathspec(&ps);

index a730f6a1aa..d92db62fbd 100644
@@ -190,6 +190,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
 
 	argc = parse_options(argc, argv, prefix, builtin_checkout_index_options,
 			builtin_checkout_index_usage, 0);
+	state.istate = &the_index;
 	state.force = force;
 	state.quiet = quiet;
 	state.not_new = not_new;

index b2381fd9f6..2a2ab6c839 100644
@@ -266,7 +266,7 @@ static int write_entry(struct cache_entry *ce,
 	const struct submodule *sub;
 
 	if (ce_mode_s_ifmt == S_IFREG) {
-		struct stream_filter *filter = get_stream_filter(&the_index, ce->name,
+		struct stream_filter *filter = get_stream_filter(state->istate, ce->name,
 								 &ce->oid);
 		if (filter &&
 		    !streaming_write_entry(ce, path, filter,

@@ -314,14 +314,14 @@ static int write_entry(struct cache_entry *ce,
 		 * Convert from git internal format to working tree format
 		 */
 		if (dco && dco->state != CE_NO_DELAY) {
-			ret = async_convert_to_working_tree(&the_index, ce->name, new_blob,
+			ret = async_convert_to_working_tree(state->istate, ce->name, new_blob,
 							    size, &buf, dco);
 			if (ret && string_list_has_string(&dco->paths, ce->name)) {
 				free(new_blob);
 				goto delayed;
 			}
 		} else
-			ret = convert_to_working_tree(&the_index, ce->name, new_blob, size, &buf);
+			ret = convert_to_working_tree(state->istate, ce->name, new_blob, size, &buf);
 
 		if (ret) {
 			free(new_blob);

@@ -422,7 +422,8 @@ int checkout_entry(struct cache_entry *ce,
 
 	if (!check_path(path.buf, path.len, &st, state->base_dir_len)) {
 		const struct submodule *sub;
-		unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
+		unsigned changed = ie_match_stat(state->istate, ce, &st,
+						 CE_MATCH_IGNORE_VALID | CE_MATCH_IGNORE_SKIP_WORKTREE);
 		/*
 		 * Needs to be checked before !changed returns early,
 		 * as the possibly empty directory was not changed

index c81e35bf23..aca9179d03 100644
@@ -274,7 +274,7 @@ int write_archive_entries(struct archiver_args *args,
 		init_tree_desc(&t, args->tree->buffer, args->tree->size);
 		if (unpack_trees(1, &t, &opts))
 			return -1;
-		git_attr_set_direction(GIT_ATTR_INDEX, &the_index);
+		git_attr_set_direction(GIT_ATTR_INDEX);
 	}
 
 	err = read_tree_recursive(args->tree, "", 0, 0, &args->pathspec,

index 863fad3bd1..98e4953f6e 100644
@@ -708,10 +708,8 @@ static struct attr_stack *read_attr_from_array(const char **list)
  * another thread could potentially be calling into the attribute system.
  */
 static enum git_attr_direction direction;
-static const struct index_state *use_index;
 
-void git_attr_set_direction(enum git_attr_direction new_direction,
-			    const struct index_state *istate)
+void git_attr_set_direction(enum git_attr_direction new_direction)
 {
 	if (is_bare_repository() && new_direction != GIT_ATTR_INDEX)
 		BUG("non-INDEX attr direction in a bare repo");

@@ -720,7 +718,6 @@ void git_attr_set_direction(enum git_attr_direction new_direction,
 		drop_all_attr_stacks();
 
 	direction = new_direction;
-	use_index = istate;
 }
 
 static struct attr_stack *read_attr_from_file(const char *path, int macro_ok)

@@ -750,17 +747,11 @@ static struct attr_stack *read_attr_from_index(const struct index_state *istate,
 	struct attr_stack *res;
 	char *buf, *sp;
 	int lineno = 0;
-	const struct index_state *to_read_from;
 
-	/*
-	 * Temporary workaround for c24f3abace (apply: file commited
-	 * with CRLF should roundtrip diff and apply - 2017-08-19)
-	 */
-	to_read_from = use_index ? use_index : istate;
-	if (!to_read_from)
+	if (!istate)
 		return NULL;
 
-	buf = read_blob_data_from_index(to_read_from, path, NULL);
+	buf = read_blob_data_from_index(istate, path, NULL);
 	if (!buf)
 		return NULL;
 

index 3daca3c0cb..01dab4a126 100644
@@ -77,8 +77,7 @@ enum git_attr_direction {
 	GIT_ATTR_CHECKOUT,
 	GIT_ATTR_INDEX
 };
-void git_attr_set_direction(enum git_attr_direction new_direction,
-			    const struct index_state *istate);
+void git_attr_set_direction(enum git_attr_direction new_direction);
 
 void attr_start(void);
 

index f7b59993d3..c05573ff9c 100644
@@ -120,7 +120,7 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix)
 	}
 
 	if (cached_attrs)
-		git_attr_set_direction(GIT_ATTR_INDEX, NULL);
+		git_attr_set_direction(GIT_ATTR_INDEX);
 
 	doubledash = -1;
 	for (i = 0; doubledash < 0 && i < argc; i++) {

index 14e9043f9d..f25089b878 100644
@@ -353,7 +353,7 @@ static int check_updates(struct unpack_trees_options *o)
 	progress = get_progress(o);
 
 	if (o->update)
-		git_attr_set_direction(GIT_ATTR_CHECKOUT, index);
+		git_attr_set_direction(GIT_ATTR_CHECKOUT);
 
 	if (should_update_submodules() && o->update && !o->dry_run)
 		load_gitmodules_file(index, NULL);

@@ -413,7 +413,7 @@ static int check_updates(struct unpack_trees_options *o)
 	stop_progress(&progress);
 	errs |= finish_delayed_checkout(&state);
 	if (o->update)
-		git_attr_set_direction(GIT_ATTR_CHECKIN, NULL);
+		git_attr_set_direction(GIT_ATTR_CHECKIN);
 	return errs != 0;
 }
 

index 9d7ba87f9b..b7033954ac 100644
@@ -497,7 +497,7 @@ static int grep_cache(struct grep_opt *opt, struct repository *repo,
 		strbuf_addstr(&name, ce->name);
 
 		if (S_ISREG(ce->ce_mode) &&
-		    match_pathspec(&the_index, pathspec, name.buf, name.len, 0, NULL,
+		    match_pathspec(repo->index, pathspec, name.buf, name.len, 0, NULL,
 				   S_ISDIR(ce->ce_mode) ||
 				   S_ISGITLINK(ce->ce_mode))) {
 			/*

@@ -515,7 +515,7 @@ static int grep_cache(struct grep_opt *opt, struct repository *repo,
 				hit |= grep_file(opt, name.buf);
 			}
 		} else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
-			   submodule_path_match(&the_index, pathspec, name.buf, NULL)) {
+			   submodule_path_match(repo->index, pathspec, name.buf, NULL)) {
 			hit |= grep_submodule(opt, repo, pathspec, NULL, ce->name, ce->name);
 		} else {
 			continue;

index aca9179d03..0a07b140fe 100644
@@ -79,7 +79,7 @@ void *object_file_to_archive(const struct archiver_args *args,
 		size_t size = 0;
 
 		strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
-		convert_to_working_tree(&the_index, path, buf.buf, buf.len, &buf);
+		convert_to_working_tree(args->repo->index, path, buf.buf, buf.len, &buf);
 		if (commit)
 			format_subst(commit, buf.buf, buf.len, &buf);
 		buffer = strbuf_detach(&buf, &size);

@@ -104,12 +104,13 @@ struct archiver_context {
 	struct directory *bottom;
 };
 
-static const struct attr_check *get_archive_attrs(const char *path)
+static const struct attr_check *get_archive_attrs(struct index_state *istate,
+						  const char *path)
 {
 	static struct attr_check *check;
 	if (!check)
 		check = attr_check_initl("export-ignore", "export-subst", NULL);
-	return git_check_attr(&the_index, path, check) ? NULL : check;
+	return git_check_attr(istate, path, check) ? NULL : check;
 }
 
 static int check_attr_export_ignore(const struct attr_check *check)

@@ -145,7 +146,7 @@ static int write_archive_entry(const struct object_id *oid, const char *base,
 
 	if (!S_ISDIR(mode)) {
 		const struct attr_check *check;
-		check = get_archive_attrs(path_without_prefix);
+		check = get_archive_attrs(args->repo->index, path_without_prefix);
 		if (check_attr_export_ignore(check))
 			return 0;
 		args->convert = check_attr_export_subst(check);

@@ -220,7 +221,7 @@ static int queue_or_write_archive_entry(const struct object_id *oid,
 		/* Borrow base, but restore its original value when done. */
 		strbuf_addstr(base, filename);
 		strbuf_addch(base, '/');
-		check = get_archive_attrs(base->buf);
+		check = get_archive_attrs(c->args->repo->index, base->buf);
 		strbuf_setlen(base, baselen);
 
 		if (check_attr_export_ignore(check))

@@ -268,8 +269,8 @@ int write_archive_entries(struct archiver_args *args,
 		memset(&opts, 0, sizeof(opts));
 		opts.index_only = 1;
 		opts.head_idx = -1;
-		opts.src_index = &the_index;
-		opts.dst_index = &the_index;
+		opts.src_index = args->repo->index;
+		opts.dst_index = args->repo->index;
 		opts.fn = oneway_merge;
 		init_tree_desc(&t, args->tree->buffer, args->tree->size);
 		if (unpack_trees(1, &t, &opts))

@@ -304,33 +305,43 @@ static const struct archiver *lookup_archiver(const char *name)
 	return NULL;
 }
 
+struct path_exists_context {
+	struct pathspec pathspec;
+	struct archiver_args *args;
+};
+
 static int reject_entry(const struct object_id *oid, struct strbuf *base,
 			const char *filename, unsigned mode,
 			int stage, void *context)
 {
 	int ret = -1;
+	struct path_exists_context *ctx = context;
+
 	if (S_ISDIR(mode)) {
 		struct strbuf sb = STRBUF_INIT;
 		strbuf_addbuf(&sb, base);
 		strbuf_addstr(&sb, filename);
-		if (!match_pathspec(&the_index, context, sb.buf, sb.len, 0, NULL, 1))
+		if (!match_pathspec(ctx->args->repo->index,
+				    &ctx->pathspec,
+				    sb.buf, sb.len, 0, NULL, 1))
 			ret = READ_TREE_RECURSIVE;
 		strbuf_release(&sb);
 	}
 	return ret;
 }
 
-static int path_exists(struct tree *tree, const char *path)
+static int path_exists(struct archiver_args *args, const char *path)
 {
 	const char *paths[] = { path, NULL };
-	struct pathspec pathspec;
+	struct path_exists_context ctx;
 	int ret;
 
-	parse_pathspec(&pathspec, 0, 0, "", paths);
-	pathspec.recursive = 1;
-	ret = read_tree_recursive(tree, "", 0, 0, &pathspec,
-				  reject_entry, &pathspec);
-	clear_pathspec(&pathspec);
+	ctx.args = args;
+	parse_pathspec(&ctx.pathspec, 0, 0, "", paths);
+	ctx.pathspec.recursive = 1;
+	ret = read_tree_recursive(args->tree, "", 0, 0, &ctx.pathspec,
+				  reject_entry, &ctx);
+	clear_pathspec(&ctx.pathspec);
 	return ret != 0;
 }
 

@@ -348,7 +359,7 @@ static void parse_pathspec_arg(const char **pathspec,
 	ar_args->pathspec.recursive = 1;
 	if (pathspec) {
 		while (*pathspec) {
-			if (**pathspec && !path_exists(ar_args->tree, *pathspec))
+			if (**pathspec && !path_exists(ar_args, *pathspec))
 				die(_("pathspec '%s' did not match any files"), *pathspec);
 			pathspec++;
 		}

@@ -510,6 +521,7 @@ static int parse_archive_args(int argc, const char **argv,
 }
 
 int write_archive(int argc, const char **argv, const char *prefix,
+		  struct repository *repo,
 		  const char *name_hint, int remote)
 {
 	const struct archiver *ar = NULL;

@@ -521,6 +533,7 @@ int write_archive(int argc, const char **argv, const char *prefix,
 	init_tar_archiver();
 	init_zip_archiver();
 
+	args.repo = repo;
 	argc = parse_archive_args(argc, argv, &ar, &args, name_hint, remote);
 	if (!startup_info->have_repository) {
 		/*

index 1f9954f7cd..75b9a86066 100644
@@ -3,7 +3,10 @@
 
 #include "pathspec.h"
 
+struct repository;
+
 struct archiver_args {
+	struct repository *repo;
 	const char *base;
 	size_t baselen;
 	struct tree *tree;

@@ -17,6 +20,16 @@ struct archiver_args {
 	int compression_level;
 };
 
+/* main api */
+
+extern int write_archive(int argc, const char **argv, const char *prefix,
+			 struct repository *repo,
+			 const char *name_hint, int remote);
+
+const char *archive_format_from_filename(const char *filename);
+
+/* archive backend stuff */
+
 #define ARCHIVER_WANT_COMPRESSION_LEVELS 1
 #define ARCHIVER_REMOTE 2
 struct archiver {

@@ -36,9 +49,6 @@ typedef int (*write_archive_entry_fn_t)(struct archiver_args *args,
 					unsigned int mode);
 
 extern int write_archive_entries(struct archiver_args *args, write_archive_entry_fn_t write_entry);
-extern int write_archive(int argc, const char **argv, const char *prefix, const char *name_hint, int remote);
-
-const char *archive_format_from_filename(const char *filename);
 extern void *object_file_to_archive(const struct archiver_args *args,
 				    const char *path, const struct object_id *oid,
 				    unsigned int mode, enum object_type *type,

index 73971d0dd2..e74f675390 100644
@@ -105,5 +105,5 @@ int cmd_archive(int argc, const char **argv, const char *prefix)
 
 	setvbuf(stderr, NULL, _IOLBF, BUFSIZ);
 
-	return write_archive(argc, argv, prefix, output, 0);
+	return write_archive(argc, argv, prefix, the_repository, output, 0);
 }

index 84532ae9a9..25d9116356 100644
@@ -43,7 +43,8 @@ int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix)
 	}
 
 	/* parse all options sent by the client */
-	return write_archive(sent_argv.argc, sent_argv.argv, prefix, NULL, 1);
+	return write_archive(sent_argv.argc, sent_argv.argv, prefix,
+			     the_repository, NULL, 1);
 }
 
 __attribute__((format (printf, 1, 2)))

index 7df8565246..69ff23dfb0 100644
@@ -277,7 +277,7 @@ static int write_tar_entry(struct archiver_args *args,
 		memcpy(header.name, path, pathlen);
 
 	if (S_ISREG(mode) && !args->convert &&
-	    oid_object_info(the_repository, oid, &size) == OBJ_BLOB &&
+	    oid_object_info(args->repo, oid, &size) == OBJ_BLOB &&
 	    size > big_file_threshold)
 		buffer = NULL;
 	else if (S_ISLNK(mode) || S_ISREG(mode)) {

index abc556e5a7..107da5f97e 100644
@@ -326,7 +326,7 @@ static int write_zip_entry(struct archiver_args *args,
 		compressed_size = 0;
 		buffer = NULL;
 	} else if (S_ISREG(mode) || S_ISLNK(mode)) {
-		enum object_type type = oid_object_info(the_repository, oid,
+		enum object_type type = oid_object_info(args->repo, oid,
 							&size);
 
 		method = 0;

index d2e2d22b7f..236320f179 100644
@@ -188,7 +188,7 @@ void unmerge_index(struct index_state *istate, const struct pathspec *pathspec)
 
 	for (i = 0; i < istate->cache_nr; i++) {
 		const struct cache_entry *ce = istate->cache[i];
-		if (!ce_path_match(&the_index, ce, pathspec, NULL))
+		if (!ce_path_match(istate, ce, pathspec, NULL))
 			continue;
 		i = unmerge_index_entry_at(istate, i);
 	}

index 2476f06ebd..572cd639a6 100644
@@ -3374,7 +3374,9 @@ static struct patch *previous_patch(struct apply_state *state,
 	return previous;
 }
 
-static int verify_index_match(const struct cache_entry *ce, struct stat *st)
+static int verify_index_match(struct apply_state *state,
+			      const struct cache_entry *ce,
+			      struct stat *st)
 {
 	if (S_ISGITLINK(ce->ce_mode)) {
 		if (!S_ISDIR(st->st_mode))

@@ -3524,7 +3526,7 @@ static int load_current(struct apply_state *state,
 		if (checkout_target(&the_index, ce, &st))
 			return -1;
 	}
-	if (verify_index_match(ce, &st))
+	if (verify_index_match(state, ce, &st))
 		return error(_("%s: does not match index"), name);
 
 	status = load_patch_target(state, &buf, ce, &st, patch, name, mode);

@@ -3694,7 +3696,7 @@ static int check_preimage(struct apply_state *state,
 			if (checkout_target(&the_index, *ce, st))
 				return -1;
 		}
-		if (!state->cached && verify_index_match(*ce, st))
+		if (!state->cached && verify_index_match(state, *ce, st))
 			return error(_("%s: does not match index"), old_name);
 		if (state->cached)
 			st_mode = (*ce)->ce_mode;

@@ -4313,7 +4315,9 @@ static int add_index_file(struct apply_state *state,
  *   0 if everything went well
  *   1 if a recoverable error happened
  */
-static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size)
+static int try_create_file(struct apply_state *state, const char *path,
+			   unsigned int mode, const char *buf,
+			   unsigned long size)
 {
 	int fd, res;
 	struct strbuf nbuf = STRBUF_INIT;

@@ -4371,7 +4375,7 @@ static int create_one_file(struct apply_state *state,
 	if (state->cached)
 		return 0;
 
-	res = try_create_file(path, mode, buf, size);
+	res = try_create_file(state, path, mode, buf, size);
 	if (res < 0)
 		return -1;
 	if (!res)

@@ -4380,7 +4384,7 @@ static int create_one_file(struct apply_state *state,
 	if (errno == ENOENT) {
 		if (safe_create_leading_directories(path))
 			return 0;
-		res = try_create_file(path, mode, buf, size);
+		res = try_create_file(state, path, mode, buf, size);
 		if (res < 0)
 			return -1;
 		if (!res)

@@ -4402,7 +4406,7 @@ static int create_one_file(struct apply_state *state,
 		for (;;) {
 			char newpath[PATH_MAX];
 			mksnpath(newpath, sizeof(newpath), "%s~%u", path, nr);
-			res = try_create_file(newpath, mode, buf, size);
+			res = try_create_file(state, newpath, mode, buf, size);
 			if (res < 0)
 				return -1;
 			if (!res) {

index 572cd639a6..3704850ef2 100644
@@ -76,10 +76,12 @@ static int parse_ignorewhitespace_option(struct apply_state *state,
 }
 
 int init_apply_state(struct apply_state *state,
+		     struct repository *repo,
 		     const char *prefix)
 {
 	memset(state, 0, sizeof(*state));
 	state->prefix = prefix;
+	state->repo = repo;
 	state->apply = 1;
 	state->line_termination = '\n';
 	state->p_value = 1;

index 01963b5ec4..78c8bcfc3c 100644
@@ -1,6 +1,8 @@
 #ifndef APPLY_H
 #define APPLY_H
 
+struct repository;
+
 enum apply_ws_error_action {
 	nowarn_ws_error,
 	warn_on_ws_error,

@@ -62,6 +64,7 @@ struct apply_state {
 	int unsafe_paths;
 
 	/* Other non boolean parameters */
+	struct repository *repo;
 	const char *index_file;
 	enum apply_verbosity apply_verbosity;
 	const char *fake_ancestor;

@@ -116,6 +119,7 @@ int apply_parse_options(int argc, const char **argv,
 			int *force_apply, int *options,
 			const char * const *apply_usage);
 int init_apply_state(struct apply_state *state,
+		     struct repository *repo,
 		     const char *prefix);
 void clear_apply_state(struct apply_state *state);
 int check_apply_state(struct apply_state *state, int force_apply);

index 2c19e69f58..9f7ecf6ecb 100644
@@ -1464,7 +1464,7 @@ static int run_apply(const struct am_state *state, const char *index_file)
 	int force_apply = 0;
 	int options = 0;
 
-	if (init_apply_state(&apply_state, NULL))
+	if (init_apply_state(&apply_state, the_repository, NULL))
 		BUG("init_apply_state() failed");
 
 	argv_array_push(&apply_opts, "apply");

index 48d3989331..3f099b9605 100644
@@ -16,7 +16,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix)
 	int ret;
 	struct apply_state state;
 
-	if (init_apply_state(&state, prefix))
+	if (init_apply_state(&state, the_repository, prefix))
 		exit(128);
 
 	argc = apply_parse_options(argc, argv,

index 3704850ef2..e485fbc6bc 100644
@@ -3385,7 +3385,8 @@ static int verify_index_match(struct apply_state *state,
 			return -1;
 		return 0;
 	}
-	return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
+	return ie_match_stat(state->repo->index, ce, st,
+			     CE_MATCH_IGNORE_VALID | CE_MATCH_IGNORE_SKIP_WORKTREE);
 }
 
 #define SUBMODULE_PATCH_WITHOUT_INDEX 1

@@ -3518,14 +3519,14 @@ static int load_current(struct apply_state *state,
 	if (!patch->is_new)
 		BUG("patch to %s is not a creation", patch->old_name);
 
-	pos = cache_name_pos(name, strlen(name));
+	pos = index_name_pos(state->repo->index, name, strlen(name));
 	if (pos < 0)
 		return error(_("%s: does not exist in index"), name);
-	ce = active_cache[pos];
+	ce = state->repo->index->cache[pos];
 	if (lstat(name, &st)) {
 		if (errno != ENOENT)
 			return error_errno("%s", name);
-		if (checkout_target(&the_index, ce, &st))
+		if (checkout_target(state->repo->index, ce, &st))
 			return -1;
 	}
 	if (verify_index_match(state, ce, &st))

@@ -3687,15 +3688,16 @@ static int check_preimage(struct apply_state *state,
 	}
 
 	if (state->check_index && !previous) {
-		int pos = cache_name_pos(old_name, strlen(old_name));
+		int pos = index_name_pos(state->repo->index, old_name,
+					 strlen(old_name));
 		if (pos < 0) {
 			if (patch->is_new < 0)
 				goto is_new;
 			return error(_("%s: does not exist in index"), old_name);
 		}
-		*ce = active_cache[pos];
+		*ce = state->repo->index->cache[pos];
 		if (stat_ret < 0) {
-			if (checkout_target(&the_index, *ce, st))
+			if (checkout_target(state->repo->index, *ce, st))
 				return -1;
 		}
 		if (!state->cached && verify_index_match(state, *ce, st))

@@ -3742,7 +3744,7 @@ static int check_to_create(struct apply_state *state,
 	struct stat nst;
 
 	if (state->check_index &&
-	    cache_name_pos(new_name, strlen(new_name)) >= 0 &&
+	    index_name_pos(state->repo->index, new_name, strlen(new_name)) >= 0 &&
 	    !ok_if_exists)
 		return EXISTS_IN_INDEX;
 	if (state->cached)

@@ -3831,7 +3833,8 @@ static int path_is_beyond_symlink_1(struct apply_state *state, struct strbuf *na
 		if (state->check_index) {
 			struct cache_entry *ce;
 
-			ce = cache_file_exists(name->buf, name->len, ignore_case);
+			ce = index_file_exists(state->repo->index, name->buf,
+					       name->len, ignore_case);
 			if (ce && S_ISLNK(ce->ce_mode))
 				return 1;
 		} else {

@@ -4006,9 +4009,10 @@ static int check_patch_list(struct apply_state *state, struct patch *patch)
 static int read_apply_cache(struct apply_state *state)
 {
 	if (state->index_file)
-		return read_cache_from(state->index_file);
+		return read_index_from(state->repo->index, state->index_file,
+				       get_git_dir());
 	else
-		return read_cache();
+		return read_index(state->repo->index);
 }
 
 /* This function tries to read the object name from the current index */

@@ -4019,10 +4023,10 @@ static int get_current_oid(struct apply_state *state, const char *path,
 
 	if (read_apply_cache(state) < 0)
 		return -1;
-	pos = cache_name_pos(path, strlen(path));
+	pos = index_name_pos(state->repo->index, path, strlen(path));
 	if (pos < 0)
 		return -1;
-	oidcpy(oid, &active_cache[pos]->oid);
+	oidcpy(oid, &state->repo->index->cache[pos]->oid);
 	return 0;
 }
 

@@ -4250,7 +4254,7 @@ static void patch_stats(struct apply_state *state, struct patch *patch)
 static int remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty)
 {
 	if (state->update_index && !state->ita_only) {
-		if (remove_file_from_cache(patch->old_name) < 0)
+		if (remove_file_from_index(state->repo->index, patch->old_name) < 0)
 			return error(_("unable to remove %s from index"), patch->old_name);
 	}
 	if (!state->cached) {

@@ -4271,7 +4275,7 @@ static int add_index_file(struct apply_state *state,
 	struct cache_entry *ce;
 	int namelen = strlen(path);
 
-	ce = make_empty_cache_entry(&the_index, namelen);
+	ce = make_empty_cache_entry(state->repo->index, namelen);
 	memcpy(ce->name, path, namelen);
 	ce->ce_mode = create_ce_mode(mode);
 	ce->ce_flags = create_ce_flags(0);

@@ -4303,7 +4307,7 @@ static int add_index_file(struct apply_state *state,
 				       "for newly created file %s"), path);
 		}
 	}
-	if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) {
+	if (add_index_entry(state->repo->index, ce, ADD_CACHE_OK_TO_ADD) < 0) {
 		discard_cache_entry(ce);
 		return error(_("unable to add cache entry for %s"), path);
 	}

@@ -4341,7 +4345,7 @@ static int try_create_file(struct apply_state *state, const char *path,
 	if (fd < 0)
 		return 1;
 
-	if (convert_to_working_tree(&the_index, path, buf, size, &nbuf)) {
+	if (convert_to_working_tree(state->repo->index, path, buf, size, &nbuf)) {
 		size = nbuf.len;
 		buf  = nbuf.buf;
 	}

@@ -4438,17 +4442,17 @@ static int add_conflicted_stages_file(struct apply_state *state,
 	namelen = strlen(patch->new_name);
 	mode = patch->new_mode ? patch->new_mode : (S_IFREG | 0644);
 
-	remove_file_from_cache(patch->new_name);
+	remove_file_from_index(state->repo->index, patch->new_name);
 	for (stage = 1; stage < 4; stage++) {
 		if (is_null_oid(&patch->threeway_stage[stage - 1]))
 			continue;
-		ce = make_empty_cache_entry(&the_index, namelen);
+		ce = make_empty_cache_entry(state->repo->index, namelen);
 		memcpy(ce->name, patch->new_name, namelen);
 		ce->ce_mode = create_ce_mode(mode);
 		ce->ce_flags = create_ce_flags(stage);
 		ce->ce_namelen = namelen;
 		oidcpy(&ce->oid, &patch->threeway_stage[stage - 1]);
-		if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) {
+		if (add_index_entry(state->repo->index, ce, ADD_CACHE_OK_TO_ADD) < 0) {
 			discard_cache_entry(ce);
 			return error(_("unable to add cache entry for %s"),
 				     patch->new_name);

@@ -4897,7 +4901,7 @@ int apply_all_patches(struct apply_state *state,
 	}
 
 	if (state->update_index) {
-		res = write_locked_index(&the_index, &state->lock_file, COMMIT_LOCK);
+		res = write_locked_index(state->repo->index, &state->lock_file, COMMIT_LOCK);
 		if (res) {
 			error(_("Unable to write new index file"));
 			res = -128;

index 58a7036847..08c0c6cf73 100644
@@ -90,7 +90,8 @@ static struct blame_origin *get_origin(struct commit *commit, const char *path)
 
 
 
-static void verify_working_tree_path(struct commit *work_tree, const char *path)
+static void verify_working_tree_path(struct repository *repo,
+				     struct commit *work_tree, const char *path)
 {
 	struct commit_list *parents;
 	int pos;

@@ -101,15 +102,15 @@ static void verify_working_tree_path(struct commit *work_tree, const char *path)
 		unsigned mode;
 
 		if (!get_tree_entry(commit_oid, path, &blob_oid, &mode) &&
-		    oid_object_info(the_repository, &blob_oid, NULL) == OBJ_BLOB)
+		    oid_object_info(repo, &blob_oid, NULL) == OBJ_BLOB)
 			return;
 	}
 
-	pos = cache_name_pos(path, strlen(path));
+	pos = index_name_pos(repo->index, path, strlen(path));
 	if (pos >= 0)
 		; /* path is in the index */
-	else if (-1 - pos < active_nr &&
-		 !strcmp(active_cache[-1 - pos]->name, path))
+	else if (-1 - pos < repo->index->cache_nr &&
+		 !strcmp(repo->index->cache[-1 - pos]->name, path))
 		; /* path is in the index, unmerged */
 	else
 		die("no such path '%s' in HEAD", path);

@@ -165,7 +166,8 @@ static void set_commit_buffer_from_strbuf(struct commit *c, struct strbuf *sb)
  * Prepare a dummy commit that represents the work tree (or staged) item.
  * Note that annotating work tree item never works in the reverse.
  */
-static struct commit *fake_working_tree_commit(struct diff_options *opt,
+static struct commit *fake_working_tree_commit(struct repository *repo,
+					       struct diff_options *opt,
 					       const char *path,
 					       const char *contents_from)
 {

@@ -181,7 +183,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
 	unsigned mode;
 	struct strbuf msg = STRBUF_INIT;
 
-	read_cache();
+	read_index(repo->index);
 	time(&now);
 	commit = alloc_commit_node(the_repository);
 	commit->object.parsed = 1;

@@ -193,7 +195,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
 
 	parent_tail = append_parent(parent_tail, &head_oid);
 	append_merge_parents(parent_tail);
-	verify_working_tree_path(commit, path);
+	verify_working_tree_path(repo, commit, path);
 
 	origin = make_origin(commit, path);
 

@@ -251,7 +253,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
 		if (strbuf_read(&buf, 0, 0) < 0)
 			die_errno("failed to read from stdin");
 	}
-	convert_to_git(&the_index, path, buf.buf, buf.len, &buf, 0);
+	convert_to_git(repo->index, path, buf.buf, buf.len, &buf, 0);
 	origin->file.ptr = buf.buf;
 	origin->file.size = buf.len;
 	pretend_object_file(buf.buf, buf.len, OBJ_BLOB, &origin->blob_oid);

@@ -262,27 +264,28 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
 	 * bits; we are not going to write this index out -- we just
 	 * want to run "diff-index --cached".
 	 */
-	discard_cache();
-	read_cache();
+	discard_index(repo->index);
+	read_index(repo->index);
 
 	len = strlen(path);
 	if (!mode) {
-		int pos = cache_name_pos(path, len);
+		int pos = index_name_pos(repo->index, path, len);
 		if (0 <= pos)
-			mode = active_cache[pos]->ce_mode;
+			mode = repo->index->cache[pos]->ce_mode;
 		else
 			/* Let's not bother reading from HEAD tree */
 			mode = S_IFREG | 0644;
 	}
-	ce = make_empty_cache_entry(&the_index, len);
+	ce = make_empty_cache_entry(repo->index, len);
 	oidcpy(&ce->oid, &origin->blob_oid);
 	memcpy(ce->name, path, len);
 	ce->ce_flags = create_ce_flags(0);
 	ce->ce_namelen = len;
 	ce->ce_mode = create_ce_mode(mode);
-	add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
+	add_index_entry(repo->index, ce,
+			ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE);
 
-	cache_tree_invalidate_path(&the_index, path);
+	cache_tree_invalidate_path(repo->index, path);
 
 	return commit;
 }

@@ -519,13 +522,14 @@ static void queue_blames(struct blame_scoreboard *sb, struct blame_origin *porig
  *
  * This also fills origin->mode for corresponding tree path.
  */
-static int fill_blob_sha1_and_mode(struct blame_origin *origin)
+static int fill_blob_sha1_and_mode(struct repository *repo,
+				   struct blame_origin *origin)
 {
 	if (!is_null_oid(&origin->blob_oid))
 		return 0;
 	if (get_tree_entry(&origin->commit->object.oid, origin->path, &origin->blob_oid, &origin->mode))
 		goto error_out;
-	if (oid_object_info(the_repository, &origin->blob_oid, NULL) != OBJ_BLOB)
+	if (oid_object_info(repo, &origin->blob_oid, NULL) != OBJ_BLOB)
 		goto error_out;
 	return 0;
  error_out:

@@ -1767,7 +1771,9 @@ void init_scoreboard(struct blame_scoreboard *sb)
 	sb->copy_score = BLAME_DEFAULT_COPY_SCORE;
 }
 
-void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blame_origin **orig)
+void setup_scoreboard(struct blame_scoreboard *sb,
+		      const char *path,
+		      struct blame_origin **orig)
 {
 	const char *final_commit_name = NULL;
 	struct blame_origin *o;

@@ -1779,6 +1785,9 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
 	if (sb->reverse && sb->contents_from)
 		die(_("--contents and --reverse do not blend well."));
 
+	if (!sb->repo)
+		BUG("repo is NULL");
+
 	if (!sb->reverse) {
 		sb->final = find_single_final(sb->revs, &final_commit_name);
 		sb->commits.compare = compare_commits_by_commit_date;

@@ -1800,7 +1809,8 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
 		 * or "--contents".
 		 */
 		setup_work_tree();
-		sb->final = fake_working_tree_commit(&sb->revs->diffopt,
+		sb->final = fake_working_tree_commit(sb->repo,
+						     &sb->revs->diffopt,
 						     path, sb->contents_from);
 		add_pending_object(sb->revs, &(sb->final->object), ":");
 	}

@@ -1845,7 +1855,7 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
 	}
 	else {
 		o = get_origin(sb->final, path);
-		if (fill_blob_sha1_and_mode(o))
+		if (fill_blob_sha1_and_mode(sb->repo, o))
 			die(_("no such path %s in %s"), path, final_commit_name);
 
 		if (sb->revs->diffopt.flags.allow_textconv &&

index 9b5240fb6d..be3a895043 100644
@@ -102,6 +102,7 @@ struct blame_scoreboard {
 	struct commit *final;
 	/* Priority queue for commits with unassigned blame records */
 	struct prio_queue commits;
+	struct repository *repo;
 	struct rev_info *revs;
 	const char *path;
 

index 5c93d169dd..cbbcb26f89 100644
@@ -988,6 +988,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 	sb.revs = &revs;
 	sb.contents_from = contents_from;
 	sb.reverse = reverse;
+	sb.repo = the_repository;
 	setup_scoreboard(&sb, path, &o);
 	lno = sb.num_lines;