git.oblomov.eu Git - git/blob - builtin/sparse-checkout.c

   1 #include "builtin.h"
   2 #include "config.h"
   3 #include "dir.h"
   4 #include "parse-options.h"
   5 #include "pathspec.h"
   6 #include "repository.h"
   7 #include "run-command.h"
   8 #include "strbuf.h"
   9
  10 static char const * const builtin_sparse_checkout_usage[] = {
  11         N_("git sparse-checkout list"),
  12         NULL
  13 };
  14
  15 static char *get_sparse_checkout_filename(void)
  16 {
  17         return git_pathdup("info/sparse-checkout");
  18 }
  19
  20 static void write_patterns_to_file(FILE *fp, struct pattern_list *pl)
  21 {
  22         int i;
  23
  24         for (i = 0; i < pl->nr; i++) {
  25                 struct path_pattern *p = pl->patterns[i];
  26
  27                 if (p->flags & PATTERN_FLAG_NEGATIVE)
  28                         fprintf(fp, "!");
  29
  30                 fprintf(fp, "%s", p->pattern);
  31
  32                 if (p->flags & PATTERN_FLAG_MUSTBEDIR)
  33                         fprintf(fp, "/");
  34
  35                 fprintf(fp, "\n");
  36         }
  37 }
  38
  39 static int sparse_checkout_list(int argc, const char **argv)
  40 {
  41         struct pattern_list pl;
  42         char *sparse_filename;
  43         int res;
  44
  45         memset(&pl, 0, sizeof(pl));
  46
  47         sparse_filename = get_sparse_checkout_filename();
  48         res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL);
  49         free(sparse_filename);
  50
  51         if (res < 0) {
  52                 warning(_("this worktree is not sparse (sparse-checkout file may not exist)"));
  53                 return 0;
  54         }
  55
  56         write_patterns_to_file(stdout, &pl);
  57         clear_pattern_list(&pl);
  58
  59         return 0;
  60 }
  61
  62 int cmd_sparse_checkout(int argc, const char **argv, const char *prefix)
  63 {
  64         static struct option builtin_sparse_checkout_options[] = {
  65                 OPT_END(),
  66         };
  67
  68         if (argc == 2 && !strcmp(argv[1], "-h"))
  69                 usage_with_options(builtin_sparse_checkout_usage,
  70                                    builtin_sparse_checkout_options);
  71
  72         argc = parse_options(argc, argv, prefix,
  73                              builtin_sparse_checkout_options,
  74                              builtin_sparse_checkout_usage,
  75                              PARSE_OPT_STOP_AT_NON_OPTION);
  76
  77         git_config(git_default_config, NULL);
  78
  79         if (argc > 0) {
  80                 if (!strcmp(argv[0], "list"))
  81                         return sparse_checkout_list(argc, argv);
  82         }
  83
  84         usage_with_options(builtin_sparse_checkout_usage,
  85                            builtin_sparse_checkout_options);
  86 }