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-rw-r--r--builtin-describe.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/builtin-describe.c b/builtin-describe.c
index 7a5ab012b..df554b30a 100644
--- a/builtin-describe.c
+++ b/builtin-describe.c
@@ -21,6 +21,7 @@ static int longformat;
static int abbrev = DEFAULT_ABBREV;
static int max_candidates = 10;
const char *pattern = NULL;
+static int always;
struct commit_name {
struct tag *tag;
@@ -257,8 +258,14 @@ static void describe(const char *arg, int last_one)
}
}
- if (!match_cnt)
- die("cannot describe '%s'", sha1_to_hex(cmit->object.sha1));
+ if (!match_cnt) {
+ const unsigned char *sha1 = cmit->object.sha1;
+ if (always) {
+ printf("%s\n", find_unique_abbrev(sha1, abbrev));
+ return;
+ }
+ die("cannot describe '%s'", sha1_to_hex(sha1));
+ }
qsort(all_matches, match_cnt, sizeof(all_matches[0]), compare_pt);
@@ -311,6 +318,8 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
"consider <n> most recent tags (default: 10)"),
OPT_STRING(0, "match", &pattern, "pattern",
"only consider tags matching <pattern>"),
+ OPT_BOOLEAN(0, "always", &always,
+ "show abbreviated commit object as fallback"),
OPT_END(),
};
@@ -326,11 +335,13 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
die("--long is incompatible with --abbrev=0");
if (contains) {
- const char **args = xmalloc((6 + argc) * sizeof(char*));
+ const char **args = xmalloc((7 + argc) * sizeof(char*));
int i = 0;
args[i++] = "name-rev";
args[i++] = "--name-only";
args[i++] = "--no-undefined";
+ if (always)
+ args[i++] = "--always";
if (!all) {
args[i++] = "--tags";
if (pattern) {