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,
  14                                void *cbdata)
  15 {
  16         int i;
  17         struct child_process child = CHILD_PROCESS_INIT;
  18         struct strvec *args = (struct strvec *)cbdata;
  19
  20         child.git_cmd = 1;
  21         strvec_pushl(&child.args, "-C", path, NULL);
  22
  23         for (i = 0; i < args->nr; i++)
  24                 strvec_push(&child.args, args->v[i]);
  25
  26         return run_command(&child);
  27 }
  28
  29 int cmd_for_each_repo(int argc, const char **argv, const char *prefix)
  30 {
  31         static const char *config_key = NULL;
  32         int i, result = 0;
  33         const struct string_list *values;
  34         struct strvec args = STRVEC_INIT;
  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         for (i = 0; i < argc; i++)
  49                 strvec_push(&args, argv[i]);
  50
  51         values = repo_config_get_value_multi(the_repository,
  52                                              config_key);
  53
  54         /*
  55          * Do nothing on an empty list, which is equivalent to the case
  56          * where the config variable does not exist at all.
  57          */
  58         if (!values)
  59                 return 0;
  60
  61         for (i = 0; !result && i < values->nr; i++)
  62                 result = run_command_on_repo(values->items[i].string, &args);
  63
  64         return result;
  65 }