git.oblomov.eu Git - git/blob - vcs-svn/repo_tree.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 "strbuf.h"
   8 #include "repo_tree.h"
   9 #include "fast_export.h"
  10
  11 const char *repo_read_path(const uint32_t *path, uint32_t *mode_out)
  12 {
  13         int err;
  14         static struct strbuf buf = STRBUF_INIT;
  15
  16         strbuf_reset(&buf);
  17         err = fast_export_ls(REPO_MAX_PATH_DEPTH, path, mode_out, &buf);
  18         if (err) {
  19                 if (errno != ENOENT)
  20                         die_errno("BUG: unexpected fast_export_ls error");
  21                 /* Treat missing paths as directories. */
  22                 *mode_out = REPO_MODE_DIR;
  23                 return NULL;
  24         }
  25         return buf.buf;
  26 }
  27
  28 void repo_copy(uint32_t revision, const uint32_t *src, const uint32_t *dst)
  29 {
  30         int err;
  31         uint32_t mode;
  32         static struct strbuf data = STRBUF_INIT;
  33
  34         strbuf_reset(&data);
  35         err = fast_export_ls_rev(revision, REPO_MAX_PATH_DEPTH, src, &mode, &data);
  36         if (err) {
  37                 if (errno != ENOENT)
  38                         die_errno("BUG: unexpected fast_export_ls_rev error");
  39                 fast_export_delete(REPO_MAX_PATH_DEPTH, dst);
  40                 return;
  41         }
  42         fast_export_modify(REPO_MAX_PATH_DEPTH, dst, mode, data.buf);
  43 }
  44
  45 void repo_delete(uint32_t *path)
  46 {
  47         fast_export_delete(REPO_MAX_PATH_DEPTH, path);
  48 }