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 %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,
  36                         unsigned long timestamp)
  37 {
  38         if (!log)
  39                 log = "";
  40         if (~uuid && ~url) {
  41                 snprintf(gitsvnline, MAX_GITSVN_LINE_LEN, "\n\ngit-svn-id: %s@%d %s\n",
  42                                  pool_fetch(url), revision, pool_fetch(uuid));
  43         } else {
  44                 *gitsvnline = '\0';
  45         }
  46         printf("commit refs/heads/master\n");
  47         printf("committer %s <%s@%s> %ld +0000\n",
  48                    ~author ? pool_fetch(author) : "nobody",
  49                    ~author ? pool_fetch(author) : "nobody",
  50                    ~uuid ? pool_fetch(uuid) : "local", timestamp);
  51         printf("data %zd\n%s%s\n",
  52                    strlen(log) + strlen(gitsvnline), log, gitsvnline);
  53         if (!first_commit_done) {
  54                 if (revision > 1)
  55                         printf("from refs/heads/master^0\n");
  56                 first_commit_done = 1;
  57         }
  58         repo_diff(revision - 1, revision);
  59         fputc('\n', stdout);
  60
  61         printf("progress Imported commit %d.\n\n", revision);
  62 }
  63
  64 void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len)
  65 {
  66         if (mode == REPO_MODE_LNK) {
  67                 /* svn symlink blobs start with "link " */
  68                 buffer_skip_bytes(5);
  69                 len -= 5;
  70         }
  71         printf("blob\nmark :%d\ndata %d\n", mark, len);
  72         buffer_copy_bytes(len);
  73         fputc('\n', stdout);
  74 }