git-log: match rev-list --abbrev and --abbrev-commit

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git.c b/git.c
index b4a1ef2..fa58232 100644 (file)
--- a/git.c
+++ b/git.c
@@ -283,6 +283,7 @@ static int cmd_log(int argc, const char **argv, char **envp)
        char *buf = xmalloc(LOGSIZE);
        static enum cmit_fmt commit_format = CMIT_FMT_DEFAULT;
        int abbrev = DEFAULT_ABBREV;
+       int abbrev_commit = 0;
        const char *commit_prefix = "commit ";
 
        argc = setup_revisions(argc, argv, &rev, "HEAD");
@@ -296,6 +297,12 @@ static int cmd_log(int argc, const char **argv, char **envp)
                else if (!strcmp(arg, "--no-abbrev")) {
                        abbrev = 0;
                }
+               else if (!strcmp(arg, "--abbrev")) {
+                       abbrev = DEFAULT_ABBREV;
+               }
+               else if (!strcmp(arg, "--abbrev-commit")) {
+                       abbrev_commit = 1;
+               }
                else if (!strncmp(arg, "--abbrev=", 9)) {
                        abbrev = strtoul(arg + 9, NULL, 10);
                        if (abbrev && abbrev < MINIMUM_ABBREV)
@@ -311,8 +318,12 @@ static int cmd_log(int argc, const char **argv, char **envp)
        prepare_revision_walk(&rev);
        setup_pager();
        while ((commit = get_revision(&rev)) != NULL) {
-               printf("%s%s", commit_prefix,
-                      sha1_to_hex(commit->object.sha1));
+               fputs(commit_prefix, stdout);
+               if (abbrev_commit && abbrev)
+                       fputs(find_unique_abbrev(commit->object.sha1, abbrev),
+                             stdout);
+               else
+                       fputs(sha1_to_hex(commit->object.sha1), stdout);
                if (rev.parents) {
                        struct commit_list *parents = commit->parents;
                        while (parents) {