convert less-trivial versions of "write_in_full() != len"
[git] / 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         int in_place = 0;
22         int trim_empty = 0;
23         struct string_list trailers = STRING_LIST_INIT_NODUP;
24
25         struct option options[] = {
26                 OPT_BOOL(0, "in-place", &in_place, N_("edit files in place")),
27                 OPT_BOOL(0, "trim-empty", &trim_empty, N_("trim empty trailers")),
28                 OPT_STRING_LIST(0, "trailer", &trailers, N_("trailer"),
29                                 N_("trailer(s) to add")),
30                 OPT_END()
31         };
32
33         argc = parse_options(argc, argv, prefix, options,
34                              git_interpret_trailers_usage, 0);
35
36         if (argc) {
37                 int i;
38                 for (i = 0; i < argc; i++)
39                         process_trailers(argv[i], in_place, trim_empty, &trailers);
40         } else {
41                 if (in_place)
42                         die(_("no input file given for in-place editing"));
43                 process_trailers(NULL, in_place, trim_empty, &trailers);
44         }
45
46         string_list_clear(&trailers, 0);
47
48         return 0;
49 }