Merge branch 'wc/rebase-insn'
[gitweb.git] / builtin-tag.c
index cbb0f04e85627a5509bb2ba8cbf04a54d4d20c41..114c684d246e975852bb5446ea2e7ab682ea036c 100644 (file)
 #include "refs.h"
 #include "tag.h"
 #include "run-command.h"
-
-static const char builtin_tag_usage[] =
-  "git-tag [-n [<num>]] -l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg> | -F <file>] <tagname> [<head>]";
+#include "parse-options.h"
+
+static const char * const git_tag_usage[] = {
+       "git-tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]",
+       "git-tag -d <tagname>...",
+       "git-tag [-n [<num>]] -l [<pattern>]",
+       "git-tag -v <tagname>...",
+       NULL
+};
 
 static char signingkey[1000];
 
@@ -276,7 +282,7 @@ static void write_tag_body(int fd, const unsigned char *sha1)
 
 static void create_tag(const unsigned char *object, const char *tag,
                       struct strbuf *buf, int message, int sign,
-                          unsigned char *prev, unsigned char *result)
+                      unsigned char *prev, unsigned char *result)
 {
        enum object_type type;
        char header_buf[1024];
@@ -335,105 +341,101 @@ static void create_tag(const unsigned char *object, const char *tag,
                die("unable to write tag file");
 }
 
+struct msg_arg {
+       int given;
+       struct strbuf buf;
+};
+
+static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
+{
+       struct msg_arg *msg = opt->value;
+
+       if (!arg)
+               return -1;
+       if (msg->buf.len)
+               strbuf_addstr(&(msg->buf), "\n\n");
+       strbuf_addstr(&(msg->buf), arg);
+       msg->given = 1;
+       return 0;
+}
+
 int cmd_tag(int argc, const char **argv, const char *prefix)
 {
        struct strbuf buf;
        unsigned char object[20], prev[20];
-       int annotate = 0, sign = 0, force = 0, lines = 0, message = 0;
        char ref[PATH_MAX];
        const char *object_ref, *tag;
-       int i;
        struct ref_lock *lock;
 
+       int annotate = 0, sign = 0, force = 0, lines = 0,
+                                       delete = 0, verify = 0;
+       char *list = NULL, *msgfile = NULL, *keyid = NULL;
+       const char *no_pattern = "NO_PATTERN";
+       struct msg_arg msg = { 0, STRBUF_INIT };
+       struct option options[] = {
+               { OPTION_STRING, 'l', NULL, &list, "pattern", "list tag names",
+                       PARSE_OPT_OPTARG, NULL, (intptr_t) no_pattern },
+               { OPTION_INTEGER, 'n', NULL, &lines, NULL,
+                               "print n lines of each tag message",
+                               PARSE_OPT_OPTARG, NULL, 1 },
+               OPT_BOOLEAN('d', NULL, &delete, "delete tags"),
+               OPT_BOOLEAN('v', NULL, &verify, "verify tags"),
+
+               OPT_GROUP("Tag creation options"),
+               OPT_BOOLEAN('a', NULL, &annotate,
+                                       "annotated tag, needs a message"),
+               OPT_CALLBACK('m', NULL, &msg, "msg",
+                            "message for the tag", parse_msg_arg),
+               OPT_STRING('F', NULL, &msgfile, "file", "message in a file"),
+               OPT_BOOLEAN('s', NULL, &sign, "annotated and GPG-signed tag"),
+               OPT_STRING('u', NULL, &keyid, "key-id",
+                                       "use another key to sign the tag"),
+               OPT_BOOLEAN('f', NULL, &force, "replace the tag if exists"),
+               OPT_END()
+       };
+
        git_config(git_tag_config);
-       strbuf_init(&buf, 0);
 
-       for (i = 1; i < argc; i++) {
-               const char *arg = argv[i];
+       argc = parse_options(argc, argv, options, git_tag_usage, 0);
 
-               if (arg[0] != '-')
-                       break;
-               if (!strcmp(arg, "-a")) {
-                       annotate = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-s")) {
-                       annotate = 1;
-                       sign = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-f")) {
-                       force = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-n")) {
-                       if (i + 1 == argc || *argv[i + 1] == '-')
-                               /* no argument */
-                               lines = 1;
-                       else
-                               lines = isdigit(*argv[++i]) ?
-                                       atoi(argv[i]) : 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-m")) {
-                       annotate = 1;
-                       i++;
-                       if (i == argc)
-                               die("option -m needs an argument.");
-                       if (message)
-                               die("only one -F or -m option is allowed.");
-                       strbuf_addstr(&buf, argv[i]);
-                       message = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-F")) {
-                       annotate = 1;
-                       i++;
-                       if (i == argc)
-                               die("option -F needs an argument.");
-                       if (message)
-                               die("only one -F or -m option is allowed.");
-
-                       if (!strcmp(argv[i], "-")) {
+       if (sign)
+               annotate = 1;
+
+       if (list)
+               return list_tags(list == no_pattern ? NULL : list, lines);
+       if (delete)
+               return for_each_tag_name(argv, delete_tag);
+       if (verify)
+               return for_each_tag_name(argv, verify_tag);
+
+       strbuf_init(&buf, 0);
+       if (msg.given || msgfile) {
+               if (msg.given && msgfile)
+                       die("only one -F or -m option is allowed.");
+               annotate = 1;
+               if (msg.given)
+                       strbuf_addbuf(&buf, &(msg.buf));
+               else {
+                       if (!strcmp(msgfile, "-")) {
                                if (strbuf_read(&buf, 0, 1024) < 0)
-                                       die("cannot read %s", argv[i]);
+                                       die("cannot read %s", msgfile);
                        } else {
-                               if (strbuf_read_file(&buf, argv[i], 1024) < 0)
+                               if (strbuf_read_file(&buf, msgfile, 1024) < 0)
                                        die("could not open or read '%s': %s",
-                                               argv[i], strerror(errno));
+                                               msgfile, strerror(errno));
                        }
-                       message = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "-u")) {
-                       annotate = 1;
-                       sign = 1;
-                       i++;
-                       if (i == argc)
-                               die("option -u needs an argument.");
-                       if (strlcpy(signingkey, argv[i], sizeof(signingkey))
-                                                       >= sizeof(signingkey))
-                               die("argument to option -u too long");
-                       continue;
                }
-               if (!strcmp(arg, "-l"))
-                       return list_tags(argv[i + 1], lines);
-               if (!strcmp(arg, "-d"))
-                       return for_each_tag_name(argv + i + 1, delete_tag);
-               if (!strcmp(arg, "-v"))
-                       return for_each_tag_name(argv + i + 1, verify_tag);
-               usage(builtin_tag_usage);
        }
 
-       if (i == argc) {
+       if (argc == 0) {
                if (annotate)
-                       usage(builtin_tag_usage);
+                       usage_with_options(git_tag_usage, options);
                return list_tags(NULL, lines);
        }
-       tag = argv[i++];
+       tag = argv[0];
 
-       object_ref = i < argc ? argv[i] : "HEAD";
-       if (i + 1 < argc)
+       object_ref = argc == 2 ? argv[1] : "HEAD";
+       if (argc > 2)
                die("too many params");
 
        if (get_sha1(object_ref, object))
@@ -450,7 +452,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
                die("tag '%s' already exists", tag);
 
        if (annotate)
-               create_tag(object, tag, &buf, message, sign, prev, object);
+               create_tag(object, tag, &buf, msg.given || msgfile,
+                          sign, prev, object);
 
        lock = lock_any_ref_for_update(ref, prev, 0);
        if (!lock)