stash: convert branch to builtin

diff --git a/builtin/grep.c b/builtin/grep.c
index de3f568cee3afdfd1a7f13196e2e93b5712dcd9b..71df52a333cbc756b057e93bf3d2affca8157860 100644 (file)
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -407,11 +407,23 @@ static int grep_submodule(struct grep_opt *opt, struct repository *superproject,
        struct repository submodule;
        int hit;
 
-       if (!is_submodule_active(superproject, path))
+       /*
+        * NEEDSWORK: submodules functions need to be protected because they
+        * access the object store via config_from_gitmodules(): the latter
+        * uses get_oid() which, for now, relies on the global the_repository
+        * object.
+        */
+       grep_read_lock();
+
+       if (!is_submodule_active(superproject, path)) {
+               grep_read_unlock();
                return 0;
+       }
 
-       if (repo_submodule_init(&submodule, superproject, path))
+       if (repo_submodule_init(&submodule, superproject, path)) {
+               grep_read_unlock();
                return 0;
+       }
 
        repo_read_gitmodules(&submodule);
 
@@ -425,7 +437,6 @@ static int grep_submodule(struct grep_opt *opt, struct repository *superproject,
         * store is no longer global and instead is a member of the repository
         * object.
         */
-       grep_read_lock();
        add_to_alternates_memory(submodule.objects->objectdir);
        grep_read_unlock();
 
@@ -697,11 +708,14 @@ static int context_callback(const struct option *opt, const char *arg,
 static int file_callback(const struct option *opt, const char *arg, int unset)
 {
        struct grep_opt *grep_opt = opt->value;
-       int from_stdin = !strcmp(arg, "-");
+       int from_stdin;
        FILE *patterns;
        int lno = 0;
        struct strbuf sb = STRBUF_INIT;
 
+       BUG_ON_OPT_NEG(unset);
+
+       from_stdin = !strcmp(arg, "-");
        patterns = from_stdin ? stdin : fopen(arg, "r");
        if (!patterns)
                die_errno(_("cannot open '%s'"), arg);
@@ -722,6 +736,8 @@ static int file_callback(const struct option *opt, const char *arg, int unset)
 static int not_callback(const struct option *opt, const char *arg, int unset)
 {
        struct grep_opt *grep_opt = opt->value;
+       BUG_ON_OPT_NEG(unset);
+       BUG_ON_OPT_ARG(arg);
        append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT);
        return 0;
 }
@@ -729,6 +745,8 @@ static int not_callback(const struct option *opt, const char *arg, int unset)
 static int and_callback(const struct option *opt, const char *arg, int unset)
 {
        struct grep_opt *grep_opt = opt->value;
+       BUG_ON_OPT_NEG(unset);
+       BUG_ON_OPT_ARG(arg);
        append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND);
        return 0;
 }
@@ -736,6 +754,8 @@ static int and_callback(const struct option *opt, const char *arg, int unset)
 static int open_callback(const struct option *opt, const char *arg, int unset)
 {
        struct grep_opt *grep_opt = opt->value;
+       BUG_ON_OPT_NEG(unset);
+       BUG_ON_OPT_ARG(arg);
        append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN);
        return 0;
 }
@@ -743,6 +763,8 @@ static int open_callback(const struct option *opt, const char *arg, int unset)
 static int close_callback(const struct option *opt, const char *arg, int unset)
 {
        struct grep_opt *grep_opt = opt->value;
+       BUG_ON_OPT_NEG(unset);
+       BUG_ON_OPT_ARG(arg);
        append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN);
        return 0;
 }
@@ -751,6 +773,7 @@ static int pattern_callback(const struct option *opt, const char *arg,
                            int unset)
 {
        struct grep_opt *grep_opt = opt->value;
+       BUG_ON_OPT_NEG(unset);
        append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN);
        return 0;
 }