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         printf("M %06o :%d ", mode, mark);
  29         pool_print_seq(depth, path, '/', stdout);
  30         putchar('\n');
  31 }
  32
  33 static char gitsvnline[MAX_GITSVN_LINE_LEN];
  34 void fast_export_commit(uint32_t revision, uint32_t author, char *log,
  35                                                 uint32_t uuid, uint32_t url, time_t timestamp)
  36 {
  37         if (!log)
  38                 log = "";
  39         if (~uuid && ~url) {
  40                 snprintf(gitsvnline, MAX_GITSVN_LINE_LEN, "\n\ngit-svn-id: %s@%d %s\n",
  41                                  pool_fetch(url), revision, pool_fetch(uuid));
  42         } else {
  43                 *gitsvnline = '\0';
  44         }
  45         printf("commit refs/heads/master\n");
  46         printf("committer %s <%s@%s> %ld +0000\n",
  47                    ~author ? pool_fetch(author) : "nobody",
  48                    ~author ? pool_fetch(author) : "nobody",
  49                    ~uuid ? pool_fetch(uuid) : "local", timestamp);
  50         printf("data %zd\n%s%s\n",
  51                    strlen(log) + strlen(gitsvnline), log, gitsvnline);
  52         if (!first_commit_done) {
  53                 if (revision > 1)
  54                         printf("from refs/heads/master^0\n");
  55                 first_commit_done = 1;
  56         }
  57         repo_diff(revision - 1, revision);
  58         fputc('\n', stdout);
  59
  60         printf("progress Imported commit %d.\n\n", revision);
  61 }
  62
  63 void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len)
  64 {
  65         if (mode == REPO_MODE_LNK) {
  66                 /* svn symlink blobs start with "link " */
  67                 buffer_skip_bytes(5);
  68                 len -= 5;
  69         }
  70         printf("blob\nmark :%d\ndata %d\n", mark, len);
  71         buffer_copy_bytes(len);
  72         fputc('\n', stdout);
  73 }