.diff

diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index b623239..cf0a56b 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -507,6 +507,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
        int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
        int has_dashdash = 0;
        int output_prefix = 0;
+       int is_n = 0;
+       int is_result = 0;
+       int return_code = 0;
        unsigned char sha1[20];
        unsigned int flags = 0;
        const char *name = NULL;
@@ -777,18 +780,36 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                continue;
                        }
                        if (!strcmp(arg, "--is-inside-git-dir")) {
-                               printf("%s\n", is_inside_git_dir() ? "true"
-                                               : "false");
+                               is_result = is_inside_git_dir();
+                               if (quiet == 1) {
+                                       return_code |= is_result * (1 << is_n);
+                                       is_n += 1;
+                               } else {
+                                       printf("%s\n", is_result ? "true"
+                                                       : "false");
+                               }
                                continue;
                        }
                        if (!strcmp(arg, "--is-inside-work-tree")) {
-                               printf("%s\n", is_inside_work_tree() ? "true"
-                                               : "false");
+                               is_result = is_inside_work_tree();
+                               if (quiet == 1) {
+                                       return_code |= is_result * (1 << is_n);
+                                       is_n += 1;
+                               } else {
+                                       printf("%s\n", is_result ? "true"
+                                                       : "false");
+                               }
                                continue;
                        }
                        if (!strcmp(arg, "--is-bare-repository")) {
-                               printf("%s\n", is_bare_repository() ? "true"
-                                               : "false");
+                               is_result = is_bare_repository();
+                               if (quiet == 1) {
+                                       return_code |= is_result * (1 << is_n);
+                                       is_n += 1;
+                               } else {
+                                       printf("%s\n", is_result ? "true"
+                                                       : "false");
+                               }
                                continue;
                        }
                        if (!strcmp(arg, "--shared-index-path")) {
@@ -848,6 +869,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                        continue;
                verify_filename(prefix, arg, 1);
        }
+       if (quiet && !verify) {
+               return return_code;
+       }
        if (verify) {
                if (revs_count == 1) {
                        show_rev(type, sha1, name);