[PATCH] Improve git-update-index error reporting

[git.git] / rev-parse.c

diff --git a/rev-parse.c b/rev-parse.c
index 6d723f9..0f5630f 100644 (file)
--- a/rev-parse.c
+++ b/rev-parse.c
@@ -191,6 +191,22 @@ int main(int argc, char **argv)
                                        puts(prefix);
                                continue;
                        }
+                       if (!strcmp(arg, "--git-dir")) {
+                               const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
+                               static char cwd[PATH_MAX];
+                               if (gitdir) {
+                                       puts(gitdir);
+                                       continue;
+                               }
+                               if (!prefix) {
+                                       puts(".git");
+                                       continue;
+                               }
+                               if (!getcwd(cwd, PATH_MAX))
+                                       die("unable to get current working directory");
+                               printf("%s/.git\n", cwd);
+                               continue;
+                       }
                        if (verify)
                                die("Needed a single revision");
                        show_flag(arg);