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Fix `git svn rebase` if top-level HEAD directory exist

PATCH In review ojab 2 participants 3 messages Jun 15, 2016

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ojab

author
#0 lore raw

PATCH 1/1 Fix `git svn rebase` if top-level HEAD directory exist

Oh hai!
I have a svn repo with the top-level directory named HEAD and git svn rebase [HEAD] [--] fails with

Quoted 5 lines
$ git svn rebase
fatal: ambiguous argument 'HEAD': both revision and filename
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
rev-list --first-parent --pretty=medium HEAD: command returned error: 128

Works fine with patch in the attached file. please review.

//wbr ojab

From 522cbc8b8a7c4f2ab4268551a550585753164677 Mon Sep 17 00:00:00 2001
From: ojab <[email protected]>
Date: Tue, 4 Jun 2013 11:28:16 +0400
Subject: [PATCH] Fix git svn rebase if top-level HEAD directory exist

---
 git-svn.perl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
git-svn.perl +1 -1
index d070de0..e35a66a 100755
@@ -1932,7 +1932,7 @@ sub cmt_sha2rev_batch {
 sub working_head_info {
 	my ($head, $refs) = @_;
 	my @args = qw/rev-list --first-parent --pretty=medium/;
-	my ($fh, $ctx) = command_output_pipe(@args, $head);
+	my ($fh, $ctx) = command_output_pipe(@args, $head, "--");
 	my $hash;
 	my %max;
 	while (<$fh>) {
Signature · 1 line
1.8.2
#1 lore raw
Quoted 1 line · ojab

Oh hai!

You can haz patch?

Quoted 7 lines

I have a svn repo with the top-level directory named HEAD and git svn rebase [HEAD] [--] fails with

Quoted 5 lines
$ git svn rebase
fatal: ambiguous argument 'HEAD': both revision and filename
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
rev-list --first-parent --pretty=medium HEAD: command returned error: 128

This rationale should probably go in the commit message.

Quoted 4 lines

From 522cbc8b8a7c4f2ab4268551a550585753164677 Mon Sep 17 00:00:00 2001
From: ojab <[email protected]>
Date: Tue, 4 Jun 2013 11:28:16 +0400
Subject: [PATCH] Fix git svn rebase if top-level HEAD directory exist

We prefer patches to be inline in the email; these lines can be dropped, as they are picked up from your email headers.

Quoted 1 line

Do you mind providing a real name? The point of Signed-off-by is for licensing and attribution.

git-svn.perl sub cmt_sha2rev_batch { · line 1935

Quoted 10 lines
git-svn.perl +1 -1
index d070de0..e35a66a 100755
@@ -1932,7 +1932,7 @@ sub cmt_sha2rev_batch {
 sub working_head_info {
 	my ($head, $refs) = @_;
 	my @args = qw/rev-list --first-parent --pretty=medium/;
-	my ($fh, $ctx) = command_output_pipe(@args, $head);
+	my ($fh, $ctx) = command_output_pipe(@args, $head, "--");

Looks obviously correct to me. I did a quick grep, and there is one other spot that probably should get the same treatment:

git-svn.perl +1 -1
index d070de0..07797ad 100755
@@ -831,7 +831,7 @@ sub cmd_dcommit {
 sub cmd_dcommit {
 	my $head = shift;
 	command_noisy(qw/update-index --refresh/);
-	git_cmd_try { command_oneline(qw/diff-index --quiet HEAD/) }
+	git_cmd_try { command_oneline(qw/diff-index --quiet HEAD --/) }
 		'Cannot dcommit with a dirty index.  Commit your changes first, '
 		. "or stash them with `git stash'.\n";
 	$head ||= 'HEAD';

Feel free to squash it in if you re-roll your patch. There are a few other spots that feed full sha1s. They are probably less likely to trigger, but perhaps should be protected, too, just in case.

-Peff

author
#2 lore raw
Quoted 1 line · Jeff King

This rationale should probably go in the commit message.

Done

Quoted 3 lines

We prefer patches to be inline in the email; these lines can be dropped, as they are picked up from your email headers.

AFAIK Thunderbird brakes spaces, so better safe, than sorry :)

Quoted 2 lines

Do you mind providing a real name? The point of Signed-off-by is for licensing and attribution.

Done (but i doubt that such a patch can be copyrighted).

Quoted 2 lines

Looks obviously correct to me. I did a quick grep, and there is one other spot that probably should get the same treatment:

Yep, already found it.

//wbr ojab

From 0251b7f2032e2050d2b6d2cbc0960471c996b058 Mon Sep 17 00:00:00 2001
From: ojab <[email protected]>
Date: Tue, 4 Jun 2013 11:28:16 +0400
Subject: [PATCH] Fix git svn rebase & dcommit if top-level HEAD
directory exist

$ git svn rebase
fatal: ambiguous argument 'HEAD': both revision and filename
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
rev-list --first-parent --pretty=medium HEAD: command returned error: 128
---
 git-svn.perl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
git-svn.perl +2 -2
index d070de0..36083c1 100755
@@ -831,7 +831,7 @@ sub dcommit_rebase {
 sub cmd_dcommit {
 	my $head = shift;
 	command_noisy(qw/update-index --refresh/);
-	git_cmd_try { command_oneline(qw/diff-index --quiet HEAD/) }
+	git_cmd_try { command_oneline(qw/diff-index --quiet HEAD --/) }
 		'Cannot dcommit with a dirty index.  Commit your changes first, '
 		. "or stash them with `git stash'.\n";
 	$head ||= 'HEAD';
@@ -1932,7 +1932,7 @@ sub cmt_sha2rev_batch {
 sub working_head_info {
 	my ($head, $refs) = @_;
 	my @args = qw/rev-list --first-parent --pretty=medium/;
-	my ($fh, $ctx) = command_output_pipe(@args, $head);
+	my ($fh, $ctx) = command_output_pipe(@args, $head, "--");
 	my $hash;
 	my %max;
 	while (<$fh>) {
Signature · 1 line
1.8.2