sha1_file.c: introduce a null_oid constant

diff --git a/submodule-config.c b/submodule-config.c
index 393de5357eb486d8fb9ee3be1d75c4b80771bd02..afe0ea81565a5675bcc3eff3199059240bbf95ee 100644 (file)
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -257,78 +257,62 @@ static int parse_config(const char *var, const char *value, void *data)
        if (!name_and_item_from_var(var, &name, &item))
                return 0;
 
-       submodule = lookup_or_create_by_name(me->cache, me->gitmodules_sha1,
-                       name.buf);
+       submodule = lookup_or_create_by_name(me->cache,
+                                            me->gitmodules_sha1,
+                                            name.buf);
 
        if (!strcmp(item.buf, "path")) {
-               struct strbuf path = STRBUF_INIT;
-               if (!value) {
+               if (!value)
                        ret = config_error_nonbool(var);
-                       goto release_return;
-               }
-               if (!me->overwrite && submodule->path != NULL) {
+               else if (!me->overwrite && submodule->path != NULL)
                        warn_multiple_config(me->commit_sha1, submodule->name,
                                        "path");
-                       goto release_return;
+               else {
+                       if (submodule->path)
+                               cache_remove_path(me->cache, submodule);
+                       free((void *) submodule->path);
+                       submodule->path = xstrdup(value);
+                       cache_put_path(me->cache, submodule);
                }
-
-               if (submodule->path)
-                       cache_remove_path(me->cache, submodule);
-               free((void *) submodule->path);
-               strbuf_addstr(&path, value);
-               submodule->path = strbuf_detach(&path, NULL);
-               cache_put_path(me->cache, submodule);
        } else if (!strcmp(item.buf, "fetchrecursesubmodules")) {
                /* when parsing worktree configurations we can die early */
                int die_on_error = is_null_sha1(me->gitmodules_sha1);
                if (!me->overwrite &&
-                   submodule->fetch_recurse != RECURSE_SUBMODULES_NONE) {
+                   submodule->fetch_recurse != RECURSE_SUBMODULES_NONE)
                        warn_multiple_config(me->commit_sha1, submodule->name,
                                        "fetchrecursesubmodules");
-                       goto release_return;
-               }
-
-               submodule->fetch_recurse = parse_fetch_recurse(var, value,
+               else
+                       submodule->fetch_recurse = parse_fetch_recurse(
+                                                               var, value,
                                                                die_on_error);
        } else if (!strcmp(item.buf, "ignore")) {
-               struct strbuf ignore = STRBUF_INIT;
-               if (!me->overwrite && submodule->ignore != NULL) {
+               if (!value)
+                       ret = config_error_nonbool(var);
+               else if (!me->overwrite && submodule->ignore != NULL)
                        warn_multiple_config(me->commit_sha1, submodule->name,
                                        "ignore");
-                       goto release_return;
-               }
-               if (!value) {
-                       ret = config_error_nonbool(var);
-                       goto release_return;
-               }
-               if (strcmp(value, "untracked") && strcmp(value, "dirty") &&
-                   strcmp(value, "all") && strcmp(value, "none")) {
+               else if (strcmp(value, "untracked") &&
+                        strcmp(value, "dirty") &&
+                        strcmp(value, "all") &&
+                        strcmp(value, "none"))
                        warning("Invalid parameter '%s' for config option "
                                        "'submodule.%s.ignore'", value, var);
-                       goto release_return;
+               else {
+                       free((void *) submodule->ignore);
+                       submodule->ignore = xstrdup(value);
                }
-
-               free((void *) submodule->ignore);
-               strbuf_addstr(&ignore, value);
-               submodule->ignore = strbuf_detach(&ignore, NULL);
        } else if (!strcmp(item.buf, "url")) {
-               struct strbuf url = STRBUF_INIT;
                if (!value) {
                        ret = config_error_nonbool(var);
-                       goto release_return;
-               }
-               if (!me->overwrite && submodule->url != NULL) {
+               } else if (!me->overwrite && submodule->url != NULL) {
                        warn_multiple_config(me->commit_sha1, submodule->name,
                                        "url");
-                       goto release_return;
+               } else {
+                       free((void *) submodule->url);
+                       submodule->url = xstrdup(value);
                }
-
-               free((void *) submodule->url);
-               strbuf_addstr(&url, value);
-               submodule->url = strbuf_detach(&url, NULL);
        }
 
-release_return:
        strbuf_release(&name);
        strbuf_release(&item);