t/helper/test-svn-fe.c

   1 /*
   2  * test-svn-fe: Code to exercise the svn import lib
   3  */
   4
   5 #include "git-compat-util.h"
   6 #include "vcs-svn/svndump.h"
   7 #include "vcs-svn/svndiff.h"
   8 #include "vcs-svn/sliding_window.h"
   9 #include "vcs-svn/line_buffer.h"
  10
  11 static const char test_svnfe_usage[] =
  12         "test-svn-fe (<dumpfile> | [-d] <preimage> <delta> <len>)";
  13
  14 static int apply_delta(int argc, const char **argv)
  15 {
  16         struct line_buffer preimage = LINE_BUFFER_INIT;
  17         struct line_buffer delta = LINE_BUFFER_INIT;
  18         struct sliding_view preimage_view = SLIDING_VIEW_INIT(&preimage, -1);
  19
  20         if (argc != 5)
  21                 usage(test_svnfe_usage);
  22
  23         if (buffer_init(&preimage, argv[2]))
  24                 die_errno("cannot open preimage");
  25         if (buffer_init(&delta, argv[3]))
  26                 die_errno("cannot open delta");
  27         if (svndiff0_apply(&delta, (off_t) strtoumax(argv[4], NULL, 0),
  28                                         &preimage_view, stdout))
  29                 return 1;
  30         if (buffer_deinit(&preimage))
  31                 die_errno("cannot close preimage");
  32         if (buffer_deinit(&delta))
  33                 die_errno("cannot close delta");
  34         strbuf_release(&preimage_view.buf);
  35         return 0;
  36 }
  37
  38 int cmd_main(int argc, const char **argv)
  39 {
  40         if (argc == 2) {
  41                 if (svndump_init(argv[1]))
  42                         return 1;
  43                 svndump_read(NULL, "refs/heads/master", "refs/notes/svn/revs");
  44                 svndump_deinit();
  45                 svndump_reset();
  46                 return 0;
  47         }
  48
  49         if (argc >= 2 && !strcmp(argv[1], "-d"))
  50                 return apply_delta(argc, argv);
  51         usage(test_svnfe_usage);
  52 }