X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=rev-parse.c;h=7abad35de90b190c5d5e5456661853cf8167954a;hb=fc5be4fdaa063a667d17ae40e4ad130e2177b0f8;hp=bb4949ad70364abdf7c3bbca357e5ebc42880614;hpb=3eeb419968c1f8f0a762a7127db770e9d9c8037d;p=git.git

diff --git a/rev-parse.c b/rev-parse.c
index bb4949ad..7abad35d 100644
--- a/rev-parse.c
+++ b/rev-parse.c
@@ -154,6 +154,7 @@ int main(int argc, char **argv)
 	const char *prefix = setup_git_directory();
 	
 	for (i = 1; i < argc; i++) {
+		struct stat st;
 		char *arg = argv[i];
 		char *dotdot;
 	
@@ -216,6 +217,18 @@ int main(int argc, char **argv)
 					puts(prefix);
 				continue;
 			}
+			if (!strcmp(arg, "--show-cdup")) {
+				const char *pfx = prefix;
+				while (pfx) {
+					pfx = strchr(pfx, '/');
+					if (pfx) {
+						pfx++;
+						printf("../");
+					}
+				}
+				putchar('\n');
+				continue;
+			}
 			if (!strcmp(arg, "--git-dir")) {
 				const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
 				static char cwd[PATH_MAX];
@@ -281,6 +294,8 @@ int main(int argc, char **argv)
 		}
 		if (verify)
 			die("Needed a single revision");
+		if (lstat(arg, &st) < 0)
+			die("'%s': %s", arg, strerror(errno));
 		as_is = 1;
 		show_file(arg);
 	}