name-rev: avoid "^0" when unneeded

diff --git a/builtin-update-index.c b/builtin-update-index.c
index a3c0a455ae5d1b8d7b7b6a8798ed7f038ab7bd72..1ac613a78869e5b0a2ac45ca6ab72adc18a55575 100644 (file)
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -112,13 +112,13 @@ static int add_file_to_cache(const char *path)
        ce->ce_mode = create_ce_mode(st.st_mode);
        if (!trust_executable_bit) {
                /* If there is an existing entry, pick the mode bits
-                * from it, otherwise force to 644.
+                * from it, otherwise assume unexecutable.
                 */
                int pos = cache_name_pos(path, namelen);
                if (0 <= pos)
                        ce->ce_mode = active_cache[pos]->ce_mode;
-               else
-                       ce->ce_mode = create_ce_mode(S_IFREG | 0644);
+               else if (S_ISREG(st.st_mode))
+                       ce->ce_mode = create_ce_mode(S_IFREG | 0666);
        }
 
        if (index_path(ce->sha1, path, &st, !info_only))
@@ -406,9 +406,9 @@ static int unresolve_one(const char *path)
 
 static void read_head_pointers(void)
 {
-       if (read_ref(git_path("HEAD"), head_sha1))
+       if (read_ref("HEAD", head_sha1))
                die("No HEAD -- no initial commit yet?\n");
-       if (read_ref(git_path("MERGE_HEAD"), merge_head_sha1)) {
+       if (read_ref("MERGE_HEAD", merge_head_sha1)) {
                fprintf(stderr, "Not in the middle of a merge.\n");
                exit(0);
        }
@@ -445,7 +445,7 @@ static int do_reupdate(int ac, const char **av,
        int has_head = 1;
        const char **pathspec = get_pathspec(prefix, av + 1);
 
-       if (read_ref(git_path("HEAD"), head_sha1))
+       if (read_ref("HEAD", head_sha1))
                /* If there is no HEAD, that means it is an initial
                 * commit.  Update everything in the index.
                 */
@@ -501,6 +501,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 
        for (i = 1 ; i < argc; i++) {
                const char *path = argv[i];
+               const char *p;
 
                if (allow_options && *path == '-') {
                        if (!strcmp(path, "--")) {
@@ -616,9 +617,12 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                                usage(update_index_usage);
                        die("unknown option %s", path);
                }
-               update_one(path, prefix, prefix_length);
+               p = prefix_path(prefix, prefix_length, path);
+               update_one(p, NULL, 0);
                if (set_executable_bit)
-                       chmod_path(set_executable_bit, path);
+                       chmod_path(set_executable_bit, p);
+               if (p < path || p > path + strlen(path))
+                       free((char*)p);
        }
        if (read_from_stdin) {
                struct strbuf buf;