t0410: test fetching from many promisor remotes

diff --git a/shallow.c b/shallow.c
index dbe8a2a2906abf9b393eeca1cdad8c9425c3e4bb..ce45297940d417e3454b08d3f0c29f5cc6d93658 100644 (file)
--- a/shallow.c
+++ b/shallow.c
@@ -16,6 +16,7 @@
 #include "list-objects.h"
 #include "commit-slab.h"
 #include "repository.h"
+#include "commit-reach.h"
 
 void set_alternate_shallow_file(struct repository *r, const char *path, int override)
 {
@@ -42,6 +43,13 @@ int register_shallow(struct repository *r, const struct object_id *oid)
 
 int is_repository_shallow(struct repository *r)
 {
+       /*
+        * NEEDSWORK: This function updates
+        * r->parsed_objects->{is_shallow,shallow_stat} as a side effect but
+        * there is no corresponding function to clear them when the shallow
+        * file is updated.
+        */
+
        FILE *fp;
        char buf[1024];
        const char *path = r->parsed_objects->alternate_shallow_file;
@@ -184,7 +192,7 @@ struct commit_list *get_shallow_commits_by_rev_list(int ac, const char **av,
 
        is_repository_shallow(the_repository); /* make sure shallows are read */
 
-       init_revisions(&revs, NULL);
+       repo_init_revisions(the_repository, &revs, NULL);
        save_commit_buffer = 0;
        setup_revisions(ac, av, &revs, NULL);
 
@@ -246,6 +254,7 @@ static void check_shallow_file_for_update(struct repository *r)
 
 #define SEEN_ONLY 1
 #define VERBOSE   2
+#define QUICK 4
 
 struct write_shallow_data {
        struct strbuf *out;
@@ -260,7 +269,10 @@ static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
        const char *hex = oid_to_hex(&graft->oid);
        if (graft->nr_parent != -1)
                return 0;
-       if (data->flags & SEEN_ONLY) {
+       if (data->flags & QUICK) {
+               if (!has_object_file(&graft->oid))
+                       return 0;
+       } else if (data->flags & SEEN_ONLY) {
                struct commit *c = lookup_commit(the_repository, &graft->oid);
                if (!c || !(c->object.flags & SEEN)) {
                        if (data->flags & VERBOSE)
@@ -370,16 +382,23 @@ void advertise_shallow_grafts(int fd)
 
 /*
  * mark_reachable_objects() should have been run prior to this and all
- * reachable commits marked as "SEEN".
+ * reachable commits marked as "SEEN", except when quick_prune is non-zero,
+ * in which case lines are excised from the shallow file if they refer to
+ * commits that do not exist (any longer).
  */
-void prune_shallow(int show_only)
+void prune_shallow(unsigned options)
 {
        struct lock_file shallow_lock = LOCK_INIT;
        struct strbuf sb = STRBUF_INIT;
+       unsigned flags = SEEN_ONLY;
        int fd;
 
-       if (show_only) {
-               write_shallow_commits_1(&sb, 0, NULL, SEEN_ONLY | VERBOSE);
+       if (options & PRUNE_QUICK)
+               flags |= QUICK;
+
+       if (options & PRUNE_SHOW_ONLY) {
+               flags |= VERBOSE;
+               write_shallow_commits_1(&sb, 0, NULL, flags);
                strbuf_release(&sb);
                return;
        }
@@ -387,7 +406,7 @@ void prune_shallow(int show_only)
                                       git_path_shallow(the_repository),
                                       LOCK_DIE_ON_ERROR);
        check_shallow_file_for_update(the_repository);
-       if (write_shallow_commits_1(&sb, 0, NULL, SEEN_ONLY)) {
+       if (write_shallow_commits_1(&sb, 0, NULL, flags)) {
                if (write_in_full(fd, sb.buf, sb.len) < 0)
                        die_errno("failed to write to %s",
                                  get_lock_file_path(&shallow_lock));