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> [--] <arguments>"),
  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         char *abspath = interpolate_path(path, 0);
  18
  19         child.git_cmd = 1;
  20         strvec_pushl(&child.args, "-C", abspath, NULL);
  21
  22         for (i = 0; i < argc; i++)
  23                 strvec_push(&child.args, argv[i]);
  24
  25         free(abspath);
  26
  27         return run_command(&child);
  28 }
  29
  30 int cmd_for_each_repo(int argc, const char **argv, const char *prefix)
  31 {
  32         static const char *config_key = NULL;
  33         int i, result = 0;
  34         const struct string_list *values;
  35
  36         const struct option options[] = {
  37                 OPT_STRING(0, "config", &config_key, N_("config"),
  38                            N_("config key storing a list of repository paths")),
  39                 OPT_END()
  40         };
  41
  42         argc = parse_options(argc, argv, prefix, options, for_each_repo_usage,
  43                              PARSE_OPT_STOP_AT_NON_OPTION);
  44
  45         if (!config_key)
  46                 die(_("missing --config=<config>"));
  47
  48         values = repo_config_get_value_multi(the_repository,
  49                                              config_key);
  50
  51         /*
  52          * Do nothing on an empty list, which is equivalent to the case
  53          * where the config variable does not exist at all.
  54          */
  55         if (!values)
  56                 return 0;
  57
  58         for (i = 0; !result && i < values->nr; i++)
  59                 result = run_command_on_repo(values->items[i].string, argc, argv);
  60
  61         return result;
  62 }