git-reset: do not be confused if there is nothing to reset

diff --git a/builtin-add.c b/builtin-add.c
index dbbb05215fbcfad5d45e5d60e9d985760705d716..45b14e8a61764e18d8b89ebfef550a820ffbf831 100644 (file)
--- a/builtin-add.c
+++ b/builtin-add.c
@@ -13,9 +13,12 @@
 #include "commit.h"
 #include "revision.h"
 #include "run-command.h"
+#include "parse-options.h"
 
-static const char builtin_add_usage[] =
-"git-add [-n] [-v] [-f] [--interactive | -i] [-u] [--refresh] [--] <filepattern>...";
+static const char * const builtin_add_usage[] = {
+       "git-add [options] [--] <filepattern>...",
+       NULL
+};
 
 static int take_worktree_changes;
 static const char *excludes_file;
@@ -162,21 +165,30 @@ static struct lock_file lock_file;
 static const char ignore_error[] =
 "The following paths are ignored by one of your .gitignore files:\n";
 
+static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
+static int add_interactive = 0;
+
+static struct option builtin_add_options[] = {
+       OPT__DRY_RUN(&show_only),
+       OPT__VERBOSE(&verbose),
+       OPT_GROUP(""),
+       OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
+       OPT_BOOLEAN('f', NULL, &ignored_too, "allow adding otherwise ignored files"),
+       OPT_BOOLEAN('u', NULL, &take_worktree_changes, "update tracked files"),
+       OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
+       OPT_END(),
+};
+
 int cmd_add(int argc, const char **argv, const char *prefix)
 {
-       int i, newfd;
-       int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
+       int i, newfd, orig_argc = argc;
        const char **pathspec;
        struct dir_struct dir;
-       int add_interactive = 0;
 
-       for (i = 1; i < argc; i++) {
-               if (!strcmp("--interactive", argv[i]) ||
-                   !strcmp("-i", argv[i]))
-                       add_interactive++;
-       }
+       argc = parse_options(argc, argv, builtin_add_options,
+                         builtin_add_usage, 0);
        if (add_interactive) {
-               if (argc != 2)
+               if (add_interactive != 1 || orig_argc != 2)
                        die("add --interactive does not take any parameters");
                exit(interactive_add());
        }
@@ -185,51 +197,19 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 
        newfd = hold_locked_index(&lock_file, 1);
 
-       for (i = 1; i < argc; i++) {
-               const char *arg = argv[i];
-
-               if (arg[0] != '-')
-                       break;
-               if (!strcmp(arg, "--")) {
-                       i++;
-                       break;
-               }
-               if (!strcmp(arg, "-n")) {
-                       show_only = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-f")) {
-                       ignored_too = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-v")) {
-                       verbose = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-u")) {
-                       take_worktree_changes = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "--refresh")) {
-                       refresh_only = 1;
-                       continue;
-               }
-               usage(builtin_add_usage);
-       }
-
        if (take_worktree_changes) {
                if (read_cache() < 0)
                        die("index file corrupt");
-               add_files_to_cache(verbose, prefix, argv + i);
+               add_files_to_cache(verbose, prefix, argv);
                goto finish;
        }
 
-       if (argc <= i) {
+       if (argc == 0) {
                fprintf(stderr, "Nothing specified, nothing added.\n");
                fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
                return 0;
        }
-       pathspec = get_pathspec(prefix, argv + i);
+       pathspec = get_pathspec(prefix, argv);
 
        if (refresh_only) {
                refresh(verbose, pathspec);