fast_export.c

   1 /*
   2  * Licensed under a two-clause BSD-style license.
   3  * See LICENSE for details.
   4  */
   5
   6 #include <string.h>
   7
   8 #include "fast_export.h"
   9 #include "line_buffer.h"
  10 #include "repo_tree.h"
  11 #include "string_pool.h"
  12
  13 #define MAX_GITSVN_LINE_LEN 4096
  14
  15 static uint32_t first_commit_done;
  16
  17 void fast_export_delete(uint32_t depth, uint32_t *path)
  18 {
  19         putchar('D');
  20         putchar(' ');
  21         pool_print_seq(depth, path, '/', stdout);
  22         putchar('\n');
  23 }
  24
  25 void fast_export_modify(uint32_t depth, uint32_t *path, uint32_t mode,
  26                         uint32_t mark)
  27 {
  28         /* Mode must be 100644, 100755, 120000, or 160000. */
  29         printf("M %06"PRIo32" :%"PRIu32" ", mode, mark);
  30         pool_print_seq(depth, path, '/', stdout);
  31         putchar('\n');
  32 }
  33
  34 static char gitsvnline[MAX_GITSVN_LINE_LEN];
  35 void fast_export_commit(uint32_t revision, uint32_t author, char *log,
  36                         uint32_t uuid, uint32_t url,
  37                         unsigned long timestamp)
  38 {
  39         if (!log)
  40                 log = "";
  41         if (~uuid && ~url) {
  42                 snprintf(gitsvnline, MAX_GITSVN_LINE_LEN,
  43                                 "\n\ngit-svn-id: %s@%"PRIu32" %s\n",
  44                                  pool_fetch(url), revision, pool_fetch(uuid));
  45         } else {
  46                 *gitsvnline = '\0';
  47         }
  48         printf("commit refs/heads/master\n");
  49         printf("committer %s <%s@%s> %ld +0000\n",
  50                    ~author ? pool_fetch(author) : "nobody",
  51                    ~author ? pool_fetch(author) : "nobody",
  52                    ~uuid ? pool_fetch(uuid) : "local", timestamp);
  53         printf("data %"PRIu32"\n%s%s\n",
  54                    (uint32_t) (strlen(log) + strlen(gitsvnline)),
  55                    log, gitsvnline);
  56         if (!first_commit_done) {
  57                 if (revision > 1)
  58                         printf("from refs/heads/master^0\n");
  59                 first_commit_done = 1;
  60         }
  61         repo_diff(revision - 1, revision);
  62         fputc('\n', stdout);
  63
  64         printf("progress Imported commit %"PRIu32".\n\n", revision);
  65 }
  66
  67 void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len, struct line_buffer *input)
  68 {
  69         if (mode == REPO_MODE_LNK) {
  70                 /* svn symlink blobs start with "link " */
  71                 buffer_skip_bytes(input, 5);
  72                 len -= 5;
  73         }
  74         printf("blob\nmark :%"PRIu32"\ndata %"PRIu32"\n", mark, len);
  75         buffer_copy_bytes(input, len);
  76         fputc('\n', stdout);
  77 }