diff --git a/builtin/fsck.c b/builtin/fsck.c
index 18403a94fa..237643cc1d 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -52,24 +52,7 @@ static int name_objects;
static const char *describe_object(struct object *obj)
{
- static struct strbuf bufs[] = {
- STRBUF_INIT, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT
- };
- static int b = 0;
- struct strbuf *buf;
- char *name = NULL;
-
- if (name_objects)
- name = lookup_decoration(fsck_walk_options.object_names, obj);
-
- buf = bufs + b;
- b = (b + 1) % ARRAY_SIZE(bufs);
- strbuf_reset(buf);
- strbuf_addstr(buf, oid_to_hex(&obj->oid));
- if (name)
- strbuf_addf(buf, " (%s)", name);
-
- return buf->buf;
+ return fsck_describe_object(&fsck_walk_options, obj);
}
static const char *printable_type(struct object *obj)
@@ -499,10 +482,10 @@ static void fsck_handle_reflog_oid(const char *refname, struct object_id *oid,
if (!is_null_oid(oid)) {
obj = lookup_object(the_repository, oid);
if (obj && (obj->flags & HAS_OBJ)) {
- if (timestamp && name_objects)
- add_decoration(fsck_walk_options.object_names,
- obj,
- xstrfmt("%s@{%"PRItime"}", refname, timestamp));
+ if (timestamp)
+ fsck_put_object_name(&fsck_walk_options, obj,
+ "%s@{%"PRItime"}",
+ refname, timestamp);
obj->flags |= USED;
mark_object_reachable(obj);
} else if (!is_promisor_object(oid)) {
@@ -566,9 +549,8 @@ static int fsck_handle_ref(const char *refname, const struct object_id *oid,
}
default_refs++;
obj->flags |= USED;
- if (name_objects)
- add_decoration(fsck_walk_options.object_names,
- obj, xstrdup(refname));
+ fsck_put_object_name(&fsck_walk_options,
+ obj, "%s", refname);
mark_object_reachable(obj);
return 0;
@@ -742,9 +724,7 @@ static int fsck_cache_tree(struct cache_tree *it)
return 1;
}
obj->flags |= USED;
- if (name_objects)
- add_decoration(fsck_walk_options.object_names,
- obj, xstrdup(":"));
+ fsck_put_object_name(&fsck_walk_options, obj, ":");
mark_object_reachable(obj);
if (obj->type != OBJ_TREE)
err |= objerror(obj, _("non-tree in cache-tree"));
@@ -830,8 +810,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
}
if (name_objects)
- fsck_walk_options.object_names =
- xcalloc(1, sizeof(struct decoration));
+ fsck_enable_object_names(&fsck_walk_options);
git_config(fsck_config, NULL);
@@ -890,9 +869,8 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
}
obj->flags |= USED;
- if (name_objects)
- add_decoration(fsck_walk_options.object_names,
- obj, xstrdup(arg));
+ fsck_put_object_name(&fsck_walk_options, obj,
+ "%s", arg);
mark_object_reachable(obj);
continue;
}
@@ -928,10 +906,8 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
continue;
obj = &blob->object;
obj->flags |= USED;
- if (name_objects)
- add_decoration(fsck_walk_options.object_names,
- obj,
- xstrfmt(":%s", active_cache[i]->name));
+ fsck_put_object_name(&fsck_walk_options, obj,
+ ":%s", active_cache[i]->name);
mark_object_reachable(obj);
}
if (active_cache_tree)
diff --git a/fsck.c b/fsck.c
index 347a0ef5c9..ecd5957362 100644
--- a/fsck.c
+++ b/fsck.c
@@ -312,15 +312,21 @@ static int report(struct fsck_options *options, struct object *object,
return result;
}
-static char *get_object_name(struct fsck_options *options, struct object *obj)
+void fsck_enable_object_names(struct fsck_options *options)
+{
+ if (!options->object_names)
+ options->object_names = xcalloc(1, sizeof(struct decoration));
+}
+
+const char *fsck_get_object_name(struct fsck_options *options, struct object *obj)
{
if (!options->object_names)
return NULL;
return lookup_decoration(options->object_names, obj);
}
-static void put_object_name(struct fsck_options *options, struct object *obj,
- const char *fmt, ...)
+void fsck_put_object_name(struct fsck_options *options, struct object *obj,
+ const char *fmt, ...)
{
va_list ap;
struct strbuf buf = STRBUF_INIT;
@@ -337,17 +343,27 @@ static void put_object_name(struct fsck_options *options, struct object *obj,
va_end(ap);
}
-static const char *describe_object(struct fsck_options *o, struct object *obj)
+const char *fsck_describe_object(struct fsck_options *options,
+ struct object *obj)
{
- static struct strbuf buf = STRBUF_INIT;
- char *name;
+ static struct strbuf bufs[] = {
+ STRBUF_INIT, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT
+ };
+ static int b = 0;
+ struct strbuf *buf;
+ char *name = NULL;
- strbuf_reset(&buf);
- strbuf_addstr(&buf, oid_to_hex(&obj->oid));
- if (o->object_names && (name = lookup_decoration(o->object_names, obj)))
- strbuf_addf(&buf, " (%s)", name);
+ if (options->object_names)
+ name = lookup_decoration(options->object_names, obj);
- return buf.buf;
+ buf = bufs + b;
+ b = (b + 1) % ARRAY_SIZE(bufs);
+ strbuf_reset(buf);
+ strbuf_addstr(buf, oid_to_hex(&obj->oid));
+ if (name)
+ strbuf_addf(buf, " (%s)", name);
+
+ return buf->buf;
}
static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options)
@@ -360,7 +376,7 @@ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *op
if (parse_tree(tree))
return -1;
- name = get_object_name(options, &tree->object);
+ name = fsck_get_object_name(options, &tree->object);
if (init_tree_desc_gently(&desc, tree->buffer, tree->size))
return -1;
while (tree_entry_gently(&desc, &entry)) {
@@ -373,20 +389,21 @@ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *op
if (S_ISDIR(entry.mode)) {
obj = (struct object *)lookup_tree(the_repository, &entry.oid);
if (name && obj)
- put_object_name(options, obj, "%s%s/", name,
- entry.path);
+ fsck_put_object_name(options, obj, "%s%s/",
+ name, entry.path);
result = options->walk(obj, OBJ_TREE, data, options);
}
else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) {
obj = (struct object *)lookup_blob(the_repository, &entry.oid);
if (name && obj)
- put_object_name(options, obj, "%s%s", name,
- entry.path);
+ fsck_put_object_name(options, obj, "%s%s",
+ name, entry.path);
result = options->walk(obj, OBJ_BLOB, data, options);
}
else {
result = error("in tree %s: entry %s has bad mode %.6o",
- describe_object(options, &tree->object), entry.path, entry.mode);
+ fsck_describe_object(options, &tree->object),
+ entry.path, entry.mode);
}
if (result < 0)
return result;
@@ -407,10 +424,10 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio
if (parse_commit(commit))
return -1;
- name = get_object_name(options, &commit->object);
+ name = fsck_get_object_name(options, &commit->object);
if (name)
- put_object_name(options, &get_commit_tree(commit)->object,
- "%s:", name);
+ fsck_put_object_name(options, &get_commit_tree(commit)->object,
+ "%s:", name);
result = options->walk((struct object *)get_commit_tree(commit),
OBJ_TREE, data, options);
@@ -441,13 +458,15 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio
struct object *obj = &parents->item->object;
if (counter++)
- put_object_name(options, obj, "%s^%d",
- name, counter);
+ fsck_put_object_name(options, obj, "%s^%d",
+ name, counter);
else if (generation > 0)
- put_object_name(options, obj, "%.*s~%d",
- name_prefix_len, name, generation + 1);
+ fsck_put_object_name(options, obj, "%.*s~%d",
+ name_prefix_len, name,
+ generation + 1);
else
- put_object_name(options, obj, "%s^", name);
+ fsck_put_object_name(options, obj, "%s^",
+ name);
}
result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options);
if (result < 0)
@@ -461,12 +480,12 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio
static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options)
{
- char *name = get_object_name(options, &tag->object);
+ const char *name = fsck_get_object_name(options, &tag->object);
if (parse_tag(tag))
return -1;
if (name)
- put_object_name(options, tag->tagged, "%s", name);
+ fsck_put_object_name(options, tag->tagged, "%s", name);
return options->walk(tag->tagged, OBJ_ANY, data, options);
}
@@ -488,7 +507,8 @@ int fsck_walk(struct object *obj, void *data, struct fsck_options *options)
case OBJ_TAG:
return fsck_walk_tag((struct tag *)obj, data, options);
default:
- error("Unknown object type for %s", describe_object(options, obj));
+ error("Unknown object type for %s",
+ fsck_describe_object(options, obj));
return -1;
}
}
@@ -962,10 +982,10 @@ int fsck_error_function(struct fsck_options *o,
struct object *obj, int msg_type, const char *message)
{
if (msg_type == FSCK_WARN) {
- warning("object %s: %s", describe_object(o, obj), message);
+ warning("object %s: %s", fsck_describe_object(o, obj), message);
return 0;
}
- error("object %s: %s", describe_object(o, obj), message);
+ error("object %s: %s", fsck_describe_object(o, obj), message);
return 1;
}
diff --git a/fsck.h b/fsck.h
index e479461075..6228f0b2d4 100644
--- a/fsck.h
+++ b/fsck.h
@@ -67,4 +67,28 @@ int fsck_object(struct object *obj, void *data, unsigned long size,
*/
int fsck_finish(struct fsck_options *options);
+/*
+ * Subsystem for storing human-readable names for each object.
+ *
+ * If fsck_enable_object_names() has not been called, all other functions are
+ * noops.
+ *
+ * Use fsck_put_object_name() to seed initial names (e.g. from refnames); the
+ * fsck code will extend that while walking trees, etc.
+ *
+ * Use fsck_get_object_name() to get a single name (or NULL if none). Or the
+ * more convenient describe_object(), which always produces an output string
+ * with the oid combined with the name (if any). Note that the return value
+ * points to a rotating array of static buffers, and may be invalidated by a
+ * subsequent call.
+ */
+void fsck_enable_object_names(struct fsck_options *options);
+const char *fsck_get_object_name(struct fsck_options *options,
+ struct object *obj);
+__attribute__((format (printf,3,4)))
+void fsck_put_object_name(struct fsck_options *options, struct object *obj,
+ const char *fmt, ...);
+const char *fsck_describe_object(struct fsck_options *options,
+ struct object *obj);
+
#endif
diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index 50d28e6fdb..7c7ff7e961 100755
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -616,7 +616,7 @@ test_expect_success 'fsck --name-objects' '
remove_object $(git rev-parse julius:caesar.t) &&
test_must_fail git fsck --name-objects >out &&
tree=$(git rev-parse --verify julius:) &&
- test_i18ngrep -E "$tree \((refs/heads/master|HEAD)@\{[0-9]*\}:" out
+ test_i18ngrep "$tree (refs/tags/julius:" out
)
'