vcs-svn/fast_export.c

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