Andrew's git - gitweb.git/blob - builtin/mailinfo.c

   1/*
   2 * Another stupid program, this one parsing the headers of an
   3 * email to figure out authorship and subject
   4 */
   5#include "cache.h"
   6#include "builtin.h"
   7#include "utf8.h"
   8#include "strbuf.h"
   9#include "mailinfo.h"
  10
  11static const char mailinfo_usage[] =
  12        "git mailinfo [-k | -b] [-m | --message-id] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] <msg> <patch> < mail >info";
  13
  14static char *prefix_copy(const char *prefix, const char *filename)
  15{
  16        if (!prefix || is_absolute_path(filename))
  17                return xstrdup(filename);
  18        return xstrdup(prefix_filename(prefix, filename));
  19}
  20
  21int cmd_mailinfo(int argc, const char **argv, const char *prefix)
  22{
  23        const char *def_charset;
  24        struct mailinfo mi;
  25        int status;
  26        char *msgfile, *patchfile;
  27
  28        setup_mailinfo(&mi);
  29
  30        def_charset = get_commit_output_encoding();
  31        mi.metainfo_charset = def_charset;
  32
  33        while (1 < argc && argv[1][0] == '-') {
  34                if (!strcmp(argv[1], "-k"))
  35                        mi.keep_subject = 1;
  36                else if (!strcmp(argv[1], "-b"))
  37                        mi.keep_non_patch_brackets_in_subject = 1;
  38                else if (!strcmp(argv[1], "-m") || !strcmp(argv[1], "--message-id"))
  39                        mi.add_message_id = 1;
  40                else if (!strcmp(argv[1], "-u"))
  41                        mi.metainfo_charset = def_charset;
  42                else if (!strcmp(argv[1], "-n"))
  43                        mi.metainfo_charset = NULL;
  44                else if (starts_with(argv[1], "--encoding="))
  45                        mi.metainfo_charset = argv[1] + 11;
  46                else if (!strcmp(argv[1], "--scissors"))
  47                        mi.use_scissors = 1;
  48                else if (!strcmp(argv[1], "--no-scissors"))
  49                        mi.use_scissors = 0;
  50                else if (!strcmp(argv[1], "--no-inbody-headers"))
  51                        mi.use_inbody_headers = 0;
  52                else
  53                        usage(mailinfo_usage);
  54                argc--; argv++;
  55        }
  56
  57        if (argc != 3)
  58                usage(mailinfo_usage);
  59
  60        mi.input = stdin;
  61        mi.output = stdout;
  62
  63        msgfile = prefix_copy(prefix, argv[1]);
  64        patchfile = prefix_copy(prefix, argv[2]);
  65
  66        status = !!mailinfo(&mi, msgfile, patchfile);
  67        clear_mailinfo(&mi);
  68
  69        free(msgfile);
  70        free(patchfile);
  71        return status;
  72}