diff options
| -rw-r--r-- | revision.c | 53 |
1 files changed, 51 insertions, 2 deletions
diff --git a/revision.c b/revision.c index a7750e626b..7df9089f53 100644 --- a/revision.c +++ b/revision.c @@ -549,6 +549,49 @@ static void add_pending_commit_list(struct rev_info *revs, } } +static void prepare_show_merge(struct rev_info *revs) +{ + struct commit_list *bases; + struct commit *head, *other; + unsigned char sha1[20]; + const char **prune = NULL; + int i, prune_num = 1; /* counting terminating NULL */ + + if (get_sha1("HEAD", sha1) || !(head = lookup_commit(sha1))) + die("--merge without HEAD?"); + if (get_sha1("MERGE_HEAD", sha1) || !(other = lookup_commit(sha1))) + die("--merge without MERGE_HEAD?"); + add_pending_object(revs, &head->object, "HEAD"); + add_pending_object(revs, &other->object, "MERGE_HEAD"); + bases = get_merge_bases(head, other, 1); + while (bases) { + struct commit *it = bases->item; + struct commit_list *n = bases->next; + free(bases); + bases = n; + it->object.flags |= UNINTERESTING; + add_pending_object(revs, &it->object, "(merge-base)"); + } + + if (!active_nr) + read_cache(); + for (i = 0; i < active_nr; i++) { + struct cache_entry *ce = active_cache[i]; + if (!ce_stage(ce)) + continue; + if (ce_path_match(ce, revs->prune_data)) { + prune_num++; + prune = xrealloc(prune, sizeof(*prune) * prune_num); + prune[prune_num-2] = ce->name; + prune[prune_num-1] = NULL; + } + while ((i+1 < active_nr) && + ce_same_name(ce, active_cache[i+1])) + i++; + } + revs->prune_data = prune; +} + /* * Parse revision information, filling in the "rev_info" structure, * and removing the used arguments from the argument list. @@ -558,7 +601,7 @@ static void add_pending_commit_list(struct rev_info *revs, */ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def) { - int i, flags, seen_dashdash; + int i, flags, seen_dashdash, show_merge; const char **unrecognized = argv + 1; int left = 1; @@ -575,7 +618,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch break; } - flags = 0; + flags = show_merge = 0; for (i = 1; i < argc; i++) { struct object *object; const char *arg = argv[i]; @@ -642,6 +685,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch def = argv[i]; continue; } + if (!strcmp(arg, "--merge")) { + show_merge = 1; + continue; + } if (!strcmp(arg, "--topo-order")) { revs->topo_order = 1; continue; @@ -863,6 +910,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch object = get_reference(revs, arg, sha1, flags ^ local_flags); add_pending_object(revs, object, arg); } + if (show_merge) + prepare_show_merge(revs); if (def && !revs->pending.nr) { unsigned char sha1[20]; struct object *object; |