Show usage string for 'git get-tar-commit-id -h'

diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 1ff2ce6df4b5efc58612b7fe6d5877319f17724a..4c91e944c21df3d5e02535115cdd6098ee49d86d 100644 (file)
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -22,15 +22,15 @@
 #include <pthread.h>
 #endif
 
-static const char pack_usage[] = "\
-git pack-objects [{ -q | --progress | --all-progress }] \n\
-       [--max-pack-size=N] [--local] [--incremental] \n\
-       [--window=N] [--window-memory=N] [--depth=N] \n\
-       [--no-reuse-delta] [--no-reuse-object] [--delta-base-offset] \n\
-       [--threads=N] [--non-empty] [--revs [--unpacked | --all]*] [--reflog] \n\
-       [--stdout | base-name] [--include-tag] \n\
-       [--keep-unreachable | --unpack-unreachable] \n\
-       [<ref-list | <object-list]";
+static const char pack_usage[] =
+  "git pack-objects [{ -q | --progress | --all-progress }]\n"
+  "        [--max-pack-size=N] [--local] [--incremental]\n"
+  "        [--window=N] [--window-memory=N] [--depth=N]\n"
+  "        [--no-reuse-delta] [--no-reuse-object] [--delta-base-offset]\n"
+  "        [--threads=N] [--non-empty] [--revs [--unpacked | --all]*]\n"
+  "        [--reflog] [--stdout | base-name] [--include-tag]\n"
+  "        [--keep-unreachable | --unpack-unreachable \n"
+  "        [<ref-list | <object-list]";
 
 struct object_entry {
        struct pack_idx_entry idx;
@@ -1008,6 +1008,33 @@ static void add_preferred_base(unsigned char *sha1)
        it->pcache.tree_size = size;
 }
 
+static void cleanup_preferred_base(void)
+{
+       struct pbase_tree *it;
+       unsigned i;
+
+       it = pbase_tree;
+       pbase_tree = NULL;
+       while (it) {
+               struct pbase_tree *this = it;
+               it = this->next;
+               free(this->pcache.tree_data);
+               free(this);
+       }
+
+       for (i = 0; i < ARRAY_SIZE(pbase_tree_cache); i++) {
+               if (!pbase_tree_cache[i])
+                       continue;
+               free(pbase_tree_cache[i]->tree_data);
+               free(pbase_tree_cache[i]);
+               pbase_tree_cache[i] = NULL;
+       }
+
+       free(done_pbase_paths);
+       done_pbase_paths = NULL;
+       done_pbase_paths_num = done_pbase_paths_alloc = 0;
+}
+
 static void check_object(struct object_entry *entry)
 {
        if (entry->in_pack) {
@@ -1602,6 +1629,8 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size,
        struct thread_params *p;
        int i, ret, active_threads = 0;
 
+       if (!delta_search_threads)      /* --threads=0 means autodetect */
+               delta_search_threads = online_cpus();
        if (delta_search_threads <= 1) {
                find_deltas(list, &list_size, window, depth, processed);
                return;
@@ -2297,11 +2326,6 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
        if (keep_unreachable && unpack_unreachable)
                die("--keep-unreachable and --unpack-unreachable are incompatible.");
 
-#ifdef THREADED_DELTA_SEARCH
-       if (!delta_search_threads)      /* --threads=0 means autodetect */
-               delta_search_threads = online_cpus();
-#endif
-
        prepare_packed_git();
 
        if (progress)
@@ -2312,6 +2336,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
                rp_av[rp_ac] = NULL;
                get_object_list(rp_ac, rp_av);
        }
+       cleanup_preferred_base();
        if (include_tag && nr_result)
                for_each_ref(add_ref_tag, NULL);
        stop_progress(&progress_state);