add -e: do not show difference in a submodule that is merely dirty

[git.git] / builtin / ls-remote.c

diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index 1a1ff87e8f9ed7db84f106960f36888835f7057b..10223092a9ebfed4092db680529a42ca8886a9f2 100644 (file)
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c
@@ -5,7 +5,7 @@
 
 static const char ls_remote_usage[] =
 "git ls-remote [--heads] [--tags]  [-u <exec> | --upload-pack <exec>]\n"
-"                     [-q|--quiet] [<repository> [<refs>...]]";
+"                     [-q|--quiet] [--exit-code] [<repository> [<refs>...]]";
 
 /*
  * Is there one among the list of patterns that match the tail part
@@ -35,6 +35,7 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
        unsigned flags = 0;
        int get_url = 0;
        int quiet = 0;
+       int status = 0;
        const char *uploadpack = NULL;
        const char **pattern = NULL;
 
@@ -74,6 +75,11 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
                                get_url = 1;
                                continue;
                        }
+                       if (!strcmp("--exit-code", arg)) {
+                               /* return this code if no refs are reported */
+                               status = 2;
+                               continue;
+                       }
                        usage(ls_remote_usage);
                }
                dest = arg;
@@ -121,6 +127,7 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
                if (!tail_match(pattern, ref->name))
                        continue;
                printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
+               status = 0; /* we found something */
        }
-       return 0;
+       return status;
 }