Merge branch 'jc/merge-bases'

[git.git] / submodule.c

diff --git a/submodule.c b/submodule.c
index 8fc974d1cbb8901f6653335f046d33c944d48d2c..d133796c9ca6ef1018b23d7b0379d7ed71e846ee 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -63,6 +63,9 @@ static int add_submodule_odb(const char *path)
        alt_odb->name[40] = '\0';
        alt_odb->name[41] = '\0';
        alt_odb_list = alt_odb;
+
+       /* add possible alternates from the submodule */
+       read_info_alternates(objects_directory.buf, 0);
        prepare_alt_odb();
 done:
        strbuf_release(&objects_directory);
@@ -357,21 +360,19 @@ static void collect_submodules_from_diff(struct diff_queue_struct *q,
                                         void *data)
 {
        int i;
-       int *needs_pushing = data;
+       struct string_list *needs_pushing = data;
 
        for (i = 0; i < q->nr; i++) {
                struct diff_filepair *p = q->queue[i];
                if (!S_ISGITLINK(p->two->mode))
                        continue;
-               if (submodule_needs_pushing(p->two->path, p->two->sha1)) {
-                       *needs_pushing = 1;
-                       break;
-               }
+               if (submodule_needs_pushing(p->two->path, p->two->sha1))
+                       string_list_insert(needs_pushing, p->two->path);
        }
 }
 
-
-static void commit_need_pushing(struct commit *commit, int *needs_pushing)
+static void find_unpushed_submodule_commits(struct commit *commit,
+               struct string_list *needs_pushing)
 {
        struct rev_info rev;
 
@@ -382,14 +383,15 @@ static void commit_need_pushing(struct commit *commit, int *needs_pushing)
        diff_tree_combined_merge(commit, 1, &rev);
 }
 
-int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remotes_name)
+int find_unpushed_submodules(unsigned char new_sha1[20],
+               const char *remotes_name, struct string_list *needs_pushing)
 {
        struct rev_info rev;
        struct commit *commit;
        const char *argv[] = {NULL, NULL, "--not", "NULL", NULL};
        int argc = ARRAY_SIZE(argv) - 1;
        char *sha1_copy;
-       int needs_pushing = 0;
+
        struct strbuf remotes_arg = STRBUF_INIT;
 
        strbuf_addf(&remotes_arg, "--remotes=%s", remotes_name);
@@ -401,13 +403,62 @@ int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remote
        if (prepare_revision_walk(&rev))
                die("revision walk setup failed");
 
-       while ((commit = get_revision(&rev)) && !needs_pushing)
-               commit_need_pushing(commit, &needs_pushing);
+       while ((commit = get_revision(&rev)) != NULL)
+               find_unpushed_submodule_commits(commit, needs_pushing);
 
+       reset_revision_walk();
        free(sha1_copy);
        strbuf_release(&remotes_arg);
 
-       return needs_pushing;
+       return needs_pushing->nr;
+}
+
+static int push_submodule(const char *path)
+{
+       if (add_submodule_odb(path))
+               return 1;
+
+       if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) {
+               struct child_process cp;
+               const char *argv[] = {"push", NULL};
+
+               memset(&cp, 0, sizeof(cp));
+               cp.argv = argv;
+               cp.env = local_repo_env;
+               cp.git_cmd = 1;
+               cp.no_stdin = 1;
+               cp.dir = path;
+               if (run_command(&cp))
+                       return 0;
+               close(cp.out);
+       }
+
+       return 1;
+}
+
+int push_unpushed_submodules(unsigned char new_sha1[20], const char *remotes_name)
+{
+       int i, ret = 1;
+       struct string_list needs_pushing;
+
+       memset(&needs_pushing, 0, sizeof(struct string_list));
+       needs_pushing.strdup_strings = 1;
+
+       if (!find_unpushed_submodules(new_sha1, remotes_name, &needs_pushing))
+               return 1;
+
+       for (i = 0; i < needs_pushing.nr; i++) {
+               const char *path = needs_pushing.items[i].string;
+               fprintf(stderr, "Pushing submodule '%s'\n", path);
+               if (!push_submodule(path)) {
+                       fprintf(stderr, "Unable to push submodule '%s'\n", path);
+                       ret = 0;
+               }
+       }
+
+       string_list_clear(&needs_pushing, 0);
+
+       return ret;
 }
 
 static int is_submodule_commit_present(const char *path, unsigned char sha1[20])
@@ -523,8 +574,7 @@ static void calculate_changed_submodule_paths(void)
                        DIFF_OPT_SET(&diff_opts, RECURSIVE);
                        diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
                        diff_opts.format_callback = submodule_collect_changed_cb;
-                       if (diff_setup_done(&diff_opts) < 0)
-                               die("diff_setup_done failed");
+                       diff_setup_done(&diff_opts);
                        diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
                        diffcore_std(&diff_opts);
                        diff_flush(&diff_opts);
@@ -741,6 +791,7 @@ static int find_first_merges(struct object_array *result, const char *path,
                if (in_merge_bases(b, commit))
                        add_object_array(o, NULL, &merges);
        }
+       reset_revision_walk();
 
        /* Now we've got all merges that contain a and b. Prune all
         * merges that contain another found merge and save them in