examples/network/index-pack.c

   1 #include <git2.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include "common.h"
   6
   7 // This could be run in the main loop whilst the application waits for
   8 // the indexing to finish in a worker thread
   9 int index_cb(const git_indexer_stats *stats, void *data)
  10 {
  11         printf("\rProcessing %d of %d", stats->processed, stats->total);
  12 }
  13
  14 int index_pack(git_repository *repo, int argc, char **argv)
  15 {
  16         git_indexer_stream *idx;
  17         git_indexer_stats stats = {0, 0};
  18         int error, fd;
  19         char hash[GIT_OID_HEXSZ + 1] = {0};
  20         ssize_t read_bytes;
  21         char buf[512];
  22
  23         if (argc < 2) {
  24                 fprintf(stderr, "I need a packfile\n");
  25                 return EXIT_FAILURE;
  26         }
  27
  28         if (git_indexer_stream_new(&idx, ".") < 0) {
  29                 puts("bad idx");
  30                 return -1;
  31         }
  32
  33         if ((fd = open(argv[1], 0)) < 0) {
  34                 perror("open");
  35                 return -1;
  36         }
  37
  38         do {
  39                 read_bytes = read(fd, buf, sizeof(buf));
  40                 if (read_bytes < 0)
  41                         break;
  42
  43                 if ((error = git_indexer_stream_add(idx, buf, read_bytes, &stats)) < 0)
  44                         goto cleanup;
  45
  46                 printf("\rIndexing %d of %d", stats.processed, stats.total);
  47         } while (read_bytes > 0);
  48
  49         if (read_bytes < 0) {
  50                 error = -1;
  51                 perror("failed reading");
  52                 goto cleanup;
  53         }
  54
  55         if ((error = git_indexer_stream_finalize(idx, &stats)) < 0)
  56                 goto cleanup;
  57
  58         printf("\rIndexing %d of %d\n", stats.processed, stats.total);
  59
  60         git_oid_fmt(hash, git_indexer_stream_hash(idx));
  61         puts(hash);
  62
  63  cleanup:
  64         close(fd);
  65         git_indexer_stream_free(idx);
  66         return error;
  67 }
  68
  69 int index_pack_old(git_repository *repo, int argc, char **argv)
  70 {
  71         git_indexer *indexer;
  72         git_indexer_stats stats;
  73         int error;
  74         char hash[GIT_OID_HEXSZ + 1] = {0};
  75
  76         if (argc < 2) {
  77                 fprintf(stderr, "I need a packfile\n");
  78                 return EXIT_FAILURE;
  79         }
  80
  81         // Create a new indexer
  82         error = git_indexer_new(&indexer, argv[1]);
  83         if (error < 0)
  84                 return error;
  85
  86         // Index the packfile. This function can take a very long time and
  87         // should be run in a worker thread.
  88         error = git_indexer_run(indexer, &stats);
  89         if (error < 0)
  90                 return error;
  91
  92         // Write the information out to an index file
  93         error = git_indexer_write(indexer);
  94
  95         // Get the packfile's hash (which should become it's filename)
  96         git_oid_fmt(hash, git_indexer_hash(indexer));
  97         puts(hash);
  98
  99         git_indexer_free(indexer);
 100
 101         return 0;
 102 }