Move offset_1st_component() to path.c

diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 9526aafc6c732de60f05f799c46fbf139377cccf..d0ccb4c96891749f1203d9bdb2ddd897cd2fb7f8 100644 (file)
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -432,6 +432,13 @@ static void die_no_single_rev(int quiet)
                die("Needed a single revision");
 }
 
+static const char builtin_rev_parse_usage[] =
+"git rev-parse --parseopt [options] -- [<args>...]\n"
+"   or: git rev-parse --sq-quote [<arg>...]\n"
+"   or: git rev-parse [options] [<arg>...]\n"
+"\n"
+"Run \"git rev-parse --parseopt -h\" for more information on the first usage.";
+
 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;
@@ -444,6 +451,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
        if (argc > 1 && !strcmp("--sq-quote", argv[1]))
                return cmd_sq_quote(argc - 2, argv + 2);
 
+       if (argc > 1 && !strcmp("-h", argv[1]))
+               usage(builtin_rev_parse_usage);
+
        prefix = setup_git_directory();
        git_config(git_default_config, NULL);
        for (i = 1; i < argc; i++) {
@@ -598,6 +608,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                        if (!strcmp(arg, "--git-dir")) {
                                const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
                                static char cwd[PATH_MAX];
+                               int len;
                                if (gitdir) {
                                        puts(gitdir);
                                        continue;
@@ -608,7 +619,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                }
                                if (!getcwd(cwd, PATH_MAX))
                                        die_errno("unable to get current working directory");
-                               printf("%s/.git\n", cwd);
+                               len = strlen(cwd);
+                               printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : "");
                                continue;
                        }
                        if (!strcmp(arg, "--is-inside-git-dir")) {