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| author | Martin Koegler <mkoegler@auto.tuwien.ac.at> | 2008-02-18 08:31:54 +0100 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2008-02-17 23:46:55 -0800 |
| commit | affeef12fb2d10317fbcc7a866fbc3603cf16119 (patch) | |
| tree | 61ce1a23d8259dc7f90778c7a0fd1b8898a7aa50 | |
| parent | 9886ea417b7da9722c95630b5980ac174e04c71c (diff) | |
| download | git-affeef12fb2d10317fbcc7a866fbc3603cf16119.tar.gz | |
deref_tag: handle return value NULL
Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
| -rw-r--r-- | builtin-show-ref.c | 3 | ||||
| -rw-r--r-- | merge-recursive.c | 2 | ||||
| -rw-r--r-- | sha1_name.c | 5 | ||||
| -rw-r--r-- | shallow.c | 2 | ||||
| -rw-r--r-- | upload-pack.c | 3 |
5 files changed, 12 insertions, 3 deletions
diff --git a/builtin-show-ref.c b/builtin-show-ref.c index 65051d14fd..a323633e29 100644 --- a/builtin-show-ref.c +++ b/builtin-show-ref.c @@ -86,6 +86,9 @@ match: sha1_to_hex(sha1)); if (obj->type == OBJ_TAG) { obj = deref_tag(obj, refname, 0); + if (!obj) + die("git-show-ref: bad tag at ref %s (%s)", refname, + sha1_to_hex(sha1)); hex = find_unique_abbrev(obj->sha1, abbrev); printf("%s %s^{}\n", hex, refname); } diff --git a/merge-recursive.c b/merge-recursive.c index dd52342539..55ef76f5a5 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -1673,6 +1673,8 @@ static struct commit *get_ref(const char *ref) if (get_sha1(ref, sha1)) die("Could not resolve ref '%s'", ref); object = deref_tag(parse_object(sha1), ref, strlen(ref)); + if (!object) + return NULL; if (object->type == OBJ_TREE) return make_virtual_commit((struct tree*)object, better_branch_name(ref)); diff --git a/sha1_name.c b/sha1_name.c index be8489e4e5..ed3c867d6a 100644 --- a/sha1_name.c +++ b/sha1_name.c @@ -578,8 +578,11 @@ static int handle_one_ref(const char *path, struct object *object = parse_object(sha1); if (!object) return 0; - if (object->type == OBJ_TAG) + if (object->type == OBJ_TAG) { object = deref_tag(object, path, strlen(path)); + if (!object) + return 0; + } if (object->type != OBJ_COMMIT) return 0; insert_by_date((struct commit *)object, list); @@ -56,7 +56,7 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth, if (i < heads->nr) { commit = (struct commit *) deref_tag(heads->objects[i++].item, NULL, 0); - if (commit->object.type != OBJ_COMMIT) { + if (!commit || commit->object.type != OBJ_COMMIT) { commit = NULL; continue; } diff --git a/upload-pack.c b/upload-pack.c index 51e3ec49d1..eaea9990e9 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -575,7 +575,8 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo } if (o->type == OBJ_TAG) { o = deref_tag(o, refname, 0); - packet_write(1, "%s %s^{}\n", sha1_to_hex(o->sha1), refname); + if (o) + packet_write(1, "%s %s^{}\n", sha1_to_hex(o->sha1), refname); } return 0; } |