cg-log: Add -f switch to list changed files

Add -f switch to show changed files between the commit header and log message. It doesn't do anything fancy like wrapping long lines and can be quite costly.

---
commit e5eb91b0a47e1169006034af434312c7f38dc902 tree bd580d135661ff0bc8eb32cb36025cd1e7bdda13 parent 580058cf4cbb6c95e5e84480499ca1c635d99376 author Jonas Fonseca <[email protected]> 1114556053 +0200 committer Jonas Fonseca <[email protected]> 1114556053 +0200

 cg-help |    2 +-
 cg-log  |   44 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)

Index: cg-help
===================================================================
@@ -21,7 +21,7 @@
 	cg-export	DESTDIR [TREE_ID]
 	cg-help
 	cg-init		[SOURCE_LOC]
-	cg-log		[-c] [COMMIT_ID | COMMIT_ID:COMMIT_ID]
+	cg-log		[-c] [-f] [COMMIT_ID | COMMIT_ID:COMMIT_ID]
 	cg-ls		[TREE_ID]
 	cg-merge	[-c] [-b BASE_ID] FROM_ID
 	cg-mkpatch	[COMMIT_ID | COMMIT_ID:COMMIT_ID]

Jonas Fonseca