Merge branch 'maint'

diff --git a/builtin/branch.c b/builtin/branch.c
index 6cf7e721e6b59f50c7a8018296aa49848deecda3..9e546e4a83d07dd6dd4d4b0cb7d23a02c82747fb 100644 (file)
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -43,13 +43,13 @@ enum color_branch {
        BRANCH_COLOR_PLAIN = 1,
        BRANCH_COLOR_REMOTE = 2,
        BRANCH_COLOR_LOCAL = 3,
-       BRANCH_COLOR_CURRENT = 4,
+       BRANCH_COLOR_CURRENT = 4
 };
 
 static enum merge_filter {
        NO_FILTER = 0,
        SHOW_NOT_MERGED,
-       SHOW_MERGED,
+       SHOW_MERGED
 } merge_filter;
 static unsigned char merge_filter_ref[20];
 
@@ -257,9 +257,15 @@ static char *resolve_symref(const char *src, const char *prefix)
        return xstrdup(dst);
 }
 
+struct append_ref_cb {
+       struct ref_list *ref_list;
+       int ret;
+};
+
 static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
 {
-       struct ref_list *ref_list = (struct ref_list*)(cb_data);
+       struct append_ref_cb *cb = (struct append_ref_cb *)(cb_data);
+       struct ref_list *ref_list = cb->ref_list;
        struct ref_item *newitem;
        struct commit *commit;
        int kind, i;
@@ -293,8 +299,10 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
        commit = NULL;
        if (ref_list->verbose || ref_list->with_commit || merge_filter != NO_FILTER) {
                commit = lookup_commit_reference_gently(sha1, 1);
-               if (!commit)
-                       return error("branch '%s' does not point at a commit", refname);
+               if (!commit) {
+                       cb->ret = error("branch '%s' does not point at a commit", refname);
+                       return 0;
+               }
 
                /* Filter with with_commit if specified */
                if (!is_descendant_of(commit, ref_list->with_commit))
@@ -305,12 +313,7 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
                                           (struct object *)commit, refname);
        }
 
-       /* Resize buffer */
-       if (ref_list->index >= ref_list->alloc) {
-               ref_list->alloc = alloc_nr(ref_list->alloc);
-               ref_list->list = xrealloc(ref_list->list,
-                               ref_list->alloc * sizeof(struct ref_item));
-       }
+       ALLOC_GROW(ref_list->list, ref_list->index + 1, ref_list->alloc);
 
        /* Record the new item */
        newitem = &(ref_list->list[ref_list->index++]);
@@ -484,9 +487,10 @@ static void show_detached(struct ref_list *ref_list)
        }
 }
 
-static void print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit)
+static int print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit)
 {
        int i;
+       struct append_ref_cb cb;
        struct ref_list ref_list;
 
        memset(&ref_list, 0, sizeof(ref_list));
@@ -496,7 +500,9 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
        ref_list.with_commit = with_commit;
        if (merge_filter != NO_FILTER)
                init_revisions(&ref_list.revs, NULL);
-       for_each_rawref(append_ref, &ref_list);
+       cb.ref_list = &ref_list;
+       cb.ret = 0;
+       for_each_rawref(append_ref, &cb);
        if (merge_filter != NO_FILTER) {
                struct commit *filter;
                filter = lookup_commit_reference_gently(merge_filter_ref, 0);
@@ -527,6 +533,11 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
        }
 
        free_ref_list(&ref_list);
+
+       if (cb.ret)
+               error("some refs could not be read");
+
+       return cb.ret;
 }
 
 static void rename_branch(const char *oldname, const char *newname, int force)
@@ -605,7 +616,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 
        struct option options[] = {
                OPT_GROUP("Generic options"),
-               OPT__VERBOSE(&verbose),
+               OPT__VERBOSE(&verbose,
+                       "show hash and subject, give twice for upstream branch"),
                OPT_SET_INT('t', "track",  &track, "set up tracking mode (see git-pull(1))",
                        BRANCH_TRACK_EXPLICIT),
                OPT_SET_INT( 0, "set-upstream",  &track, "change upstream info",
@@ -635,7 +647,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_BIT('m', NULL, &rename, "move/rename a branch and its reflog", 1),
                OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2),
                OPT_BOOLEAN('l', NULL, &reflog, "create the branch's reflog"),
-               OPT_BOOLEAN('f', "force", &force_create, "force creation (when already exists)"),
+               OPT__FORCE(&force_create, "force creation (when already exists)"),
                {
                        OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref,
                        "commit", "print only not merged branches",
@@ -651,6 +663,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_END(),
        };
 
+       if (argc == 2 && !strcmp(argv[1], "-h"))
+               usage_with_options(builtin_branch_usage, options);
+
        git_config(git_branch_config, NULL);
 
        if (branch_use_color == -1)
@@ -679,7 +694,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        if (delete)
                return delete_branches(argc, argv, delete > 1, kinds);
        else if (argc == 0)
-               print_ref_list(kinds, detached, verbose, abbrev, with_commit);
+               return print_ref_list(kinds, detached, verbose, abbrev, with_commit);
        else if (rename && (argc == 1))
                rename_branch(head, argv[0], rename > 1);
        else if (rename && (argc == 2))