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)
  12 {
  13         int err;
  14         uint32_t dummy;
  15         static struct strbuf buf = STRBUF_INIT;
  16
  17         strbuf_reset(&buf);
  18         err = fast_export_ls(REPO_MAX_PATH_DEPTH, path, &dummy, &buf);
  19         if (err) {
  20                 if (errno != ENOENT)
  21                         die_errno("BUG: unexpected fast_export_ls error");
  22                 return NULL;
  23         }
  24         return buf.buf;
  25 }
  26
  27 uint32_t repo_read_mode(const uint32_t *path)
  28 {
  29         int err;
  30         uint32_t result;
  31         static struct strbuf dummy = STRBUF_INIT;
  32
  33         strbuf_reset(&dummy);
  34         err = fast_export_ls(REPO_MAX_PATH_DEPTH, path, &result, &dummy);
  35         if (err) {
  36                 if (errno != ENOENT)
  37                         die_errno("BUG: unexpected fast_export_ls error");
  38                 /* Treat missing paths as directories. */
  39                 return REPO_MODE_DIR;
  40         }
  41         return result;
  42 }
  43
  44 void repo_copy(uint32_t revision, const uint32_t *src, const uint32_t *dst)
  45 {
  46         int err;
  47         uint32_t mode;
  48         static struct strbuf data = STRBUF_INIT;
  49
  50         strbuf_reset(&data);
  51         err = fast_export_ls_rev(revision, REPO_MAX_PATH_DEPTH, src, &mode, &data);
  52         if (err) {
  53                 if (errno != ENOENT)
  54                         die_errno("BUG: unexpected fast_export_ls_rev error");
  55                 fast_export_delete(REPO_MAX_PATH_DEPTH, dst);
  56                 return;
  57         }
  58         fast_export_modify(REPO_MAX_PATH_DEPTH, dst, mode, data.buf);
  59 }
  60
  61 void repo_delete(uint32_t *path)
  62 {
  63         fast_export_delete(REPO_MAX_PATH_DEPTH, path);
  64 }