builtin/for-each-repo.c

   1 #include "cache.h"
   2 #include "config.h"
   3 #include "builtin.h"
   4 #include "parse-options.h"
   5 #include "run-command.h"
   6 #include "string-list.h"
   7
   8 static const char * const for_each_repo_usage[] = {
   9         N_("git for-each-repo --config=<config> <command-args>"),
  10         NULL
  11 };
  12
  13 static int run_command_on_repo(const char *path, int argc, const char ** argv)
  14 {
  15         int i;
  16         struct child_process child = CHILD_PROCESS_INIT;
  17
  18         child.git_cmd = 1;
  19         strvec_pushl(&child.args, "-C", path, NULL);
  20
  21         for (i = 0; i < argc; i++)
  22                 strvec_push(&child.args, argv[i]);
  23
  24         return run_command(&child);
  25 }
  26
  27 int cmd_for_each_repo(int argc, const char **argv, const char *prefix)
  28 {
  29         static const char *config_key = NULL;
  30         int i, result = 0;
  31         const struct string_list *values;
  32
  33         const struct option options[] = {
  34                 OPT_STRING(0, "config", &config_key, N_("config"),
  35                            N_("config key storing a list of repository paths")),
  36                 OPT_END()
  37         };
  38
  39         argc = parse_options(argc, argv, prefix, options, for_each_repo_usage,
  40                              PARSE_OPT_STOP_AT_NON_OPTION);
  41
  42         if (!config_key)
  43                 die(_("missing --config=<config>"));
  44
  45         values = repo_config_get_value_multi(the_repository,
  46                                              config_key);
  47
  48         /*
  49          * Do nothing on an empty list, which is equivalent to the case
  50          * where the config variable does not exist at all.
  51          */
  52         if (!values)
  53                 return 0;
  54
  55         for (i = 0; !result && i < values->nr; i++)
  56                 result = run_command_on_repo(values->items[i].string, argc, argv);
  57
  58         return result;
  59 }