Merge branch 'jk/fast-import-empty-ls'

diff --git a/fetch-pack.c b/fetch-pack.c
index 4df8abd7c17af86968320f20c3aa66cac8029529..f5d99c11813b1ae2eee0bb7dfd94eab60c721b64 100644 (file)
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -11,6 +11,7 @@
 #include "run-command.h"
 #include "transport.h"
 #include "version.h"
+#include "prio-queue.h"
 
 static int transfer_unpack_limit = -1;
 static int fetch_unpack_limit = -1;
@@ -37,7 +38,7 @@ static int marked;
  */
 #define MAX_IN_VAIN 256
 
-static struct commit_list *rev_list;
+static struct prio_queue rev_list = { compare_commits_by_commit_date };
 static int non_common_revs, multi_ack, use_sideband, allow_tip_sha1_in_want;
 
 static void rev_list_push(struct commit *commit, int mark)
@@ -49,7 +50,7 @@ static void rev_list_push(struct commit *commit, int mark)
                        if (parse_commit(commit))
                                return;
 
-               commit_list_insert_by_date(commit, &rev_list);
+               prio_queue_put(&rev_list, commit);
 
                if (!(commit->object.flags & COMMON))
                        non_common_revs++;
@@ -122,10 +123,10 @@ static const unsigned char *get_rev(void)
                unsigned int mark;
                struct commit_list *parents;
 
-               if (rev_list == NULL || non_common_revs == 0)
+               if (rev_list.nr == 0 || non_common_revs == 0)
                        return NULL;
 
-               commit = rev_list->item;
+               commit = prio_queue_get(&rev_list);
                if (!commit->object.parsed)
                        parse_commit(commit);
                parents = commit->parents;
@@ -152,8 +153,6 @@ static const unsigned char *get_rev(void)
                                mark_common(parents->item, 1, 0);
                        parents = parents->next;
                }
-
-               rev_list = rev_list->next;
        }
 
        return commit->object.sha1;
@@ -442,7 +441,7 @@ static int find_common(struct fetch_pack_args *args,
                                        in_vain = 0;
                                        got_continue = 1;
                                        if (ack == ACK_ready) {
-                                               rev_list = NULL;
+                                               clear_prio_queue(&rev_list);
                                                got_ready = 1;
                                        }
                                        break;
@@ -898,6 +897,8 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
                packet_flush(fd[1]);
        if (args->depth > 0)
                setup_alternate_shallow();
+       else
+               alternate_shallow_file = NULL;
        if (get_pack(args, fd, pack_lockfile))
                die("git fetch-pack: fetch failed.");
 
@@ -988,7 +989,7 @@ struct ref *fetch_pack(struct fetch_pack_args *args,
        }
        ref_cpy = do_fetch_pack(args, fd, ref, sought, nr_sought, pack_lockfile);
 
-       if (alternate_shallow_file) {
+       if (args->depth > 0 && alternate_shallow_file) {
                if (*alternate_shallow_file == '\0') { /* --unshallow */
                        unlink_or_warn(git_path("shallow"));
                        rollback_lock_file(&shallow_lock);