examples/index-pack.c

   1 #include "common.h"
   2
   3 /*
   4  * This could be run in the main loop whilst the application waits for
   5  * the indexing to finish in a worker thread
   6  */
   7 static int index_cb(const git_indexer_progress *stats, void *data)
   8 {
   9         (void)data;
  10         printf("\rProcessing %u of %u", stats->indexed_objects, stats->total_objects);
  11
  12         return 0;
  13 }
  14
  15 int lg2_index_pack(git_repository *repo, int argc, char **argv)
  16 {
  17         git_indexer *idx;
  18         git_indexer_progress stats = {0, 0};
  19         int error;
  20         int fd;
  21         ssize_t read_bytes;
  22         char buf[512];
  23
  24         (void)repo;
  25
  26         if (argc < 2) {
  27                 fprintf(stderr, "usage: %s index-pack <packfile>\n", argv[-1]);
  28                 return EXIT_FAILURE;
  29         }
  30
  31         if (git_indexer_new(&idx, ".", 0, NULL, NULL) < 0) {
  32                 puts("bad idx");
  33                 return -1;
  34         }
  35
  36         if ((fd = open(argv[1], 0)) < 0) {
  37                 perror("open");
  38                 return -1;
  39         }
  40
  41         do {
  42                 read_bytes = read(fd, buf, sizeof(buf));
  43                 if (read_bytes < 0)
  44                         break;
  45
  46                 if ((error = git_indexer_append(idx, buf, read_bytes, &stats)) < 0)
  47                         goto cleanup;
  48
  49                 index_cb(&stats, NULL);
  50         } while (read_bytes > 0);
  51
  52         if (read_bytes < 0) {
  53                 error = -1;
  54                 perror("failed reading");
  55                 goto cleanup;
  56         }
  57
  58         if ((error = git_indexer_commit(idx, &stats)) < 0)
  59                 goto cleanup;
  60
  61         printf("\rIndexing %u of %u\n", stats.indexed_objects, stats.total_objects);
  62
  63         puts(git_indexer_name(idx));
  64
  65  cleanup:
  66         close(fd);
  67         git_indexer_free(idx);
  68         return error;
  69 }