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authorJohn Keeping <john@keeping.me.uk>2013-06-16 14:18:17 (GMT)
committerJunio C Hamano <gitster@pobox.com>2013-06-17 20:30:01 (GMT)
commit12b9d32790b40bf3ea49134095619700191abf1f (patch)
tree0b79987d1da6269a8c5e55d1090f7429133b84fa /builtin/rev-parse.c
parent1ae2e19a32729e21778b74f61794369203b58a1d (diff)
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rev-parse: add --prefix option
This makes 'git rev-parse' behave as if it were invoked from the specified subdirectory of a repository, with the difference that any file paths which it prints are prefixed with the full path from the top of the working tree. This is useful for shell scripts where we may want to cd to the top of the working tree but need to handle relative paths given by the user on the command line. Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin/rev-parse.c')
-rw-r--r--builtin/rev-parse.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index f267a1d..de894c7 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -212,11 +212,17 @@ static void show_datestring(const char *flag, const char *datestr)
show(buffer);
}
-static int show_file(const char *arg)
+static int show_file(const char *arg, int output_prefix)
{
show_default();
if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) {
- show(arg);
+ if (output_prefix) {
+ const char *prefix = startup_info->prefix;
+ show(prefix_filename(prefix,
+ prefix ? strlen(prefix) : 0,
+ arg));
+ } else
+ show(arg);
return 1;
}
return 0;
@@ -470,6 +476,7 @@ N_("git rev-parse --parseopt [options] -- [<args>...]\n"
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
+ int output_prefix = 0;
unsigned char sha1[20];
const char *name = NULL;
@@ -503,7 +510,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
const char *arg = argv[i];
if (as_is) {
- if (show_file(arg) && as_is < 2)
+ if (show_file(arg, output_prefix) && as_is < 2)
verify_filename(prefix, arg, 0);
continue;
}
@@ -527,7 +534,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
as_is = 2;
/* Pass on the "--" if we show anything but files.. */
if (filter & (DO_FLAGS | DO_REVS))
- show_file(arg);
+ show_file(arg, 0);
continue;
}
if (!strcmp(arg, "--default")) {
@@ -535,6 +542,13 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
i++;
continue;
}
+ if (!strcmp(arg, "--prefix")) {
+ prefix = argv[i+1];
+ startup_info->prefix = prefix;
+ output_prefix = 1;
+ i++;
+ continue;
+ }
if (!strcmp(arg, "--revs-only")) {
filter &= ~DO_NOREV;
continue;
@@ -754,7 +768,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (verify)
die_no_single_rev(quiet);
as_is = 1;
- if (!show_file(arg))
+ if (!show_file(arg, output_prefix))
continue;
verify_filename(prefix, arg, 1);
}