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[PATCH] Make "git diff" work inside relative subdirectories

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We always show the diff as an absolute path, but pathnames to diff are
taken relative to the current working directory (and if no pathnames are
given, the default ends up being all of the current working directory).

Note that "../xyz" also works, so you can do

	cd linux/drivers/char
	git diff ../block

and it will generate a diff of the linux/drivers/block changes.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Linus Torvalds
2005-08-16 18:06:34 -07:00
committed by Junio C Hamano
parent 83db04ff87
commit d288a70030
8 changed files with 147 additions and 19 deletions
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12
diff-cache.c
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@ -168,10 +168,11 @@ static const char diff_cache_usage[] =
"[<common diff options>] <tree-ish> [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
int main(int argc, const char **argv)
int main(int argc, char **argv)
{
const char *tree_name = NULL;
unsigned char sha1[20];
const char *prefix = setup_git_directory();
const char **pathspec = NULL;
void *tree;
unsigned long size;
@ -179,15 +180,12 @@ int main(int argc, const char **argv)
int allow_options = 1;
int i;
read_cache();
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!allow_options || *arg != '-') {
if (tree_name) {
pathspec = argv + i;
if (tree_name)
break;
}
tree_name = arg;
continue;
}
@ -265,12 +263,16 @@ int main(int argc, const char **argv)
usage(diff_cache_usage);
}
pathspec = get_pathspec(prefix, argv + i);
if (find_copies_harder && detect_rename != DIFF_DETECT_COPY)
usage(diff_cache_usage);
if (!tree_name || get_sha1(tree_name, sha1))
usage(diff_cache_usage);
read_cache();
/* The rest is for paths restriction. */
diff_setup(diff_setup_opt);