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-rw-r--r--builtin-rev-parse.c56
1 files changed, 39 insertions, 17 deletions
diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 00b607824..ab3e85054 100644
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -28,8 +28,6 @@ static int symbolic;
static int abbrev;
static int output_sq;
-static int revs_count;
-
/*
* Some arguments are relevant "revision" arguments,
* others are about output format or other details.
@@ -110,7 +108,6 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
if (!(filter & DO_REVS))
return;
def = NULL;
- revs_count++;
if (symbolic && name) {
if (symbolic == SHOW_SYMBOLIC_FULL) {
@@ -156,7 +153,7 @@ static int show_flag(const char *arg)
return 0;
}
-static void show_default(void)
+static int show_default(void)
{
const char *s = def;
@@ -166,9 +163,10 @@ static void show_default(void)
def = NULL;
if (!get_sha1(s, sha1)) {
show_rev(NORMAL, sha1, s);
- return;
+ return 1;
}
}
+ return 0;
}
static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
@@ -371,10 +369,19 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
return 0;
}
+static void die_no_single_rev(int quiet)
+{
+ if (quiet)
+ exit(1);
+ else
+ die("Needed a single revision");
+}
+
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
- int i, as_is = 0, verify = 0;
+ int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
unsigned char sha1[20];
+ const char *name = NULL;
if (argc > 1 && !strcmp("--parseopt", argv[1]))
return cmd_parseopt(argc - 1, argv + 1, prefix);
@@ -438,6 +445,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
verify = 1;
continue;
}
+ if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
+ quiet = 1;
+ continue;
+ }
if (!strcmp(arg, "--short") ||
!prefixcmp(arg, "--short=")) {
filter &= ~(DO_FLAGS|DO_NOREV);
@@ -555,30 +566,41 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
continue;
}
if (show_flag(arg) && verify)
- die("Needed a single revision");
+ die_no_single_rev(quiet);
continue;
}
/* Not a flag argument */
if (try_difference(arg))
continue;
- if (!get_sha1(arg, sha1)) {
- show_rev(NORMAL, sha1, arg);
- continue;
+ name = arg;
+ type = NORMAL;
+ if (*arg == '^') {
+ name++;
+ type = REVERSED;
}
- if (*arg == '^' && !get_sha1(arg+1, sha1)) {
- show_rev(REVERSED, sha1, arg+1);
+ if (!get_sha1(name, sha1)) {
+ if (verify)
+ revs_count++;
+ else
+ show_rev(type, sha1, name);
continue;
}
+ if (verify)
+ die_no_single_rev(quiet);
as_is = 1;
if (!show_file(arg))
continue;
- if (verify)
- die("Needed a single revision");
verify_filename(prefix, arg);
}
- show_default();
- if (verify && revs_count != 1)
- die("Needed a single revision");
+ if (verify) {
+ if (revs_count == 1) {
+ show_rev(type, sha1, name);
+ return 0;
+ } else if (revs_count == 0 && show_default())
+ return 0;
+ die_no_single_rev(quiet);
+ } else
+ show_default();
return 0;
}