builtin/interpret-trailers.c

   1 /*
   2  * Builtin "git interpret-trailers"
   3  *
   4  * Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org>
   5  *
   6  */
   7
   8 #include "cache.h"
   9 #include "builtin.h"
  10 #include "parse-options.h"
  11 #include "string-list.h"
  12 #include "trailer.h"
  13
  14 static const char * const git_interpret_trailers_usage[] = {
  15         N_("git interpret-trailers [--in-place] [--trim-empty] [(--trailer <token>[(=|:)<value>])...] [<file>...]"),
  16         NULL
  17 };
  18
  19 int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
  20 {
  21         struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT;
  22         struct string_list trailers = STRING_LIST_INIT_NODUP;
  23
  24         struct option options[] = {
  25                 OPT_BOOL(0, "in-place", &opts.in_place, N_("edit files in place")),
  26                 OPT_BOOL(0, "trim-empty", &opts.trim_empty, N_("trim empty trailers")),
  27                 OPT_BOOL(0, "only-trailers", &opts.only_trailers, N_("output only the trailers")),
  28                 OPT_BOOL(0, "only-input", &opts.only_input, N_("do not apply config rules")),
  29                 OPT_STRING_LIST(0, "trailer", &trailers, N_("trailer"),
  30                                 N_("trailer(s) to add")),
  31                 OPT_END()
  32         };
  33
  34         argc = parse_options(argc, argv, prefix, options,
  35                              git_interpret_trailers_usage, 0);
  36
  37         if (opts.only_input && trailers.nr)
  38                 usage_msg_opt(
  39                         _("--trailer with --only-input does not make sense"),
  40                         git_interpret_trailers_usage,
  41                         options);
  42
  43         if (argc) {
  44                 int i;
  45                 for (i = 0; i < argc; i++)
  46                         process_trailers(argv[i], &opts, &trailers);
  47         } else {
  48                 if (opts.in_place)
  49                         die(_("no input file given for in-place editing"));
  50                 process_trailers(NULL, &opts, &trailers);
  51         }
  52
  53         string_list_clear(&trailers, 0);
  54
  55         return 0;
  56 }