write-tree.c

   1 /*
   2  * GIT - The information manager from hell
   3  *
   4  * Copyright (C) Linus Torvalds, 2005
   5  */
   6 #include "cache.h"
   7 #include "tree.h"
   8 #include "cache-tree.h"
   9
  10 static unsigned char active_cache_sha1[20];
  11 static struct cache_tree *active_cache_tree;
  12
  13 static int missing_ok = 0;
  14
  15 static const char write_tree_usage[] = "git-write-tree [--missing-ok]";
  16
  17 int main(int argc, char **argv)
  18 {
  19         int entries;
  20
  21         setup_git_directory();
  22
  23         entries = read_cache_1(active_cache_sha1);
  24         active_cache_tree = read_cache_tree(active_cache_sha1);
  25         if (argc == 2) {
  26                 if (!strcmp(argv[1], "--missing-ok"))
  27                         missing_ok = 1;
  28                 else
  29                         die(write_tree_usage);
  30         }
  31
  32         if (argc > 2)
  33                 die("too many options");
  34
  35         if (entries < 0)
  36                 die("git-write-tree: error reading cache");
  37
  38         if (cache_tree_update(active_cache_tree, active_cache, active_nr,
  39                               missing_ok))
  40                 die("git-write-tree: error building trees");
  41         write_cache_tree(active_cache_sha1, active_cache_tree);
  42
  43         printf("%s\n", sha1_to_hex(active_cache_tree->sha1));
  44         return 0;
  45 }