builtin/hook.c

   1 #include "builtin.h"
   2 #include "config.h"
   3 #include "gettext.h"
   4 #include "hook.h"
   5 #include "parse-options.h"
   6 #include "strbuf.h"
   7 #include "strvec.h"
   8
   9 #define BUILTIN_HOOK_RUN_USAGE \
  10         N_("git hook run [--ignore-missing] [--to-stdin=<path>] <hook-name> [-- <hook-args>]")
  11
  12 static const char * const builtin_hook_usage[] = {
  13         BUILTIN_HOOK_RUN_USAGE,
  14         NULL
  15 };
  16
  17 static const char * const builtin_hook_run_usage[] = {
  18         BUILTIN_HOOK_RUN_USAGE,
  19         NULL
  20 };
  21
  22 static int run(int argc, const char **argv, const char *prefix)
  23 {
  24         int i;
  25         struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT;
  26         int ignore_missing = 0;
  27         const char *hook_name;
  28         struct option run_options[] = {
  29                 OPT_BOOL(0, "ignore-missing", &ignore_missing,
  30                          N_("silently ignore missing requested <hook-name>")),
  31                 OPT_STRING(0, "to-stdin", &opt.path_to_stdin, N_("path"),
  32                            N_("file to read into hooks' stdin")),
  33                 OPT_END(),
  34         };
  35         int ret;
  36
  37         argc = parse_options(argc, argv, prefix, run_options,
  38                              builtin_hook_run_usage,
  39                              PARSE_OPT_KEEP_DASHDASH);
  40
  41         if (!argc)
  42                 goto usage;
  43
  44         /*
  45          * Having a -- for "run" when providing <hook-args> is
  46          * mandatory.
  47          */
  48         if (argc > 1 && strcmp(argv[1], "--") &&
  49             strcmp(argv[1], "--end-of-options"))
  50                 goto usage;
  51
  52         /* Add our arguments, start after -- */
  53         for (i = 2 ; i < argc; i++)
  54                 strvec_push(&opt.args, argv[i]);
  55
  56         /* Need to take into account core.hooksPath */
  57         git_config(git_default_config, NULL);
  58
  59         hook_name = argv[0];
  60         if (!ignore_missing)
  61                 opt.error_if_missing = 1;
  62         ret = run_hooks_opt(hook_name, &opt);
  63         if (ret < 0) /* error() return */
  64                 ret = 1;
  65         return ret;
  66 usage:
  67         usage_with_options(builtin_hook_run_usage, run_options);
  68 }
  69
  70 int cmd_hook(int argc, const char **argv, const char *prefix)
  71 {
  72         parse_opt_subcommand_fn *fn = NULL;
  73         struct option builtin_hook_options[] = {
  74                 OPT_SUBCOMMAND("run", &fn, run),
  75                 OPT_END(),
  76         };
  77
  78         argc = parse_options(argc, argv, NULL, builtin_hook_options,
  79                              builtin_hook_usage, 0);
  80
  81         return fn(argc, argv, prefix);
  82 }