ui-snapshot.c

   1 /* ui-snapshot.c: generate snapshot of a commit
   2  *
   3  * Copyright (C) 2006 Lars Hjemli
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10
  11 static void cgit_print_zip(struct cacheitem *item, const char *hex,
  12                            const char *prefix, const char *filename)
  13 {
  14         struct archiver_args args;
  15         struct commit *commit;
  16         unsigned char sha1[20];
  17
  18         if (get_sha1(hex, sha1)) {
  19                 cgit_print_error(fmt("Bad object id: %s", hex));
  20                 return;
  21         }
  22         commit = lookup_commit_reference(sha1);
  23
  24         if (!commit) {
  25                 cgit_print_error(fmt("Not a commit reference: %s", hex));
  26                 return;
  27         }
  28
  29         memset(&args, 0, sizeof(args));
  30         args.base = fmt("%s/", prefix);
  31         args.tree = commit->tree;
  32
  33         cgit_print_snapshot_start("application/x-zip", filename, item);
  34         write_zip_archive(&args);
  35 }
  36
  37
  38 void cgit_print_snapshot(struct cacheitem *item, const char *hex,
  39                          const char *format, const char *prefix,
  40                          const char *filename)
  41 {
  42         if (!strcmp(format, "zip"))
  43                 cgit_print_zip(item, hex, prefix, filename);
  44         else
  45                 cgit_print_error(fmt("Unsupported snapshot format: %s",
  46                                      format));
  47 }