git-describe: --long shows the object name even for a tagged commit

[thirdparty/git.git] / builtin-describe.c

diff --git a/builtin-describe.c b/builtin-describe.c
index 3428483134156f4e1761aa47ed2e8098a294808c..3fd2e7371f2b685d4dd5868c5b3294b224c9d4f0 100644 (file)
--- a/builtin-describe.c
+++ b/builtin-describe.c
@@ -17,6 +17,7 @@ static const char * const describe_usage[] = {
 static int debug;      /* Display lots of verbose info */
 static int all;        /* Default to annotated tags only */
 static int tags;       /* But allow any tags if --tags is specified */
+static int longformat;
 static int abbrev = DEFAULT_ABBREV;
 static int max_candidates = 10;
 const char *pattern = NULL;
@@ -155,7 +156,11 @@ static void describe(const char *arg, int last_one)
 
        n = cmit->util;
        if (n) {
-               printf("%s\n", n->path);
+               if (!longformat)
+                       printf("%s\n", n->path);
+               else
+                       printf("%s-0-g%s\n", n->path,
+                               find_unique_abbrev(cmit->object.sha1, abbrev));
                return;
        }
 
@@ -254,6 +259,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                OPT_BOOLEAN(0, "debug",      &debug, "debug search strategy on stderr"),
                OPT_BOOLEAN(0, "all",        &all, "use any ref in .git/refs"),
                OPT_BOOLEAN(0, "tags",       &tags, "use any tag in .git/refs/tags"),
+               OPT_BOOLEAN(0, "long",       &longformat, "always use long format"),
                OPT__ABBREV(&abbrev),
                OPT_INTEGER(0, "candidates", &max_candidates,
                            "consider <n> most recent tags (default: 10)"),
@@ -270,6 +276,9 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
 
        save_commit_buffer = 0;
 
+       if (longformat && abbrev == 0)
+               die("--long is incompatible with --abbrev=0");
+
        if (contains) {
                const char **args = xmalloc((6 + argc) * sizeof(char*));
                int i = 0;