Andrew's git - gitweb.git/blob - builtin/write-tree.c

   1/*
   2 * GIT - The information manager from hell
   3 *
   4 * Copyright (C) Linus Torvalds, 2005
   5 */
   6#include "builtin.h"
   7#include "cache.h"
   8#include "config.h"
   9#include "tree.h"
  10#include "cache-tree.h"
  11#include "parse-options.h"
  12
  13static const char * const write_tree_usage[] = {
  14        N_("git write-tree [--missing-ok] [--prefix=<prefix>/]"),
  15        NULL
  16};
  17
  18int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
  19{
  20        int flags = 0, ret;
  21        const char *prefix = NULL;
  22        unsigned char sha1[20];
  23        const char *me = "git-write-tree";
  24        struct option write_tree_options[] = {
  25                OPT_BIT(0, "missing-ok", &flags, N_("allow missing objects"),
  26                        WRITE_TREE_MISSING_OK),
  27                { OPTION_STRING, 0, "prefix", &prefix, N_("<prefix>/"),
  28                  N_("write tree object for a subdirectory <prefix>") ,
  29                  PARSE_OPT_LITERAL_ARGHELP },
  30                { OPTION_BIT, 0, "ignore-cache-tree", &flags, NULL,
  31                  N_("only useful for debugging"),
  32                  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, NULL,
  33                  WRITE_TREE_IGNORE_CACHE_TREE },
  34                OPT_END()
  35        };
  36
  37        git_config(git_default_config, NULL);
  38        argc = parse_options(argc, argv, unused_prefix, write_tree_options,
  39                             write_tree_usage, 0);
  40
  41        ret = write_cache_as_tree(sha1, flags, prefix);
  42        switch (ret) {
  43        case 0:
  44                printf("%s\n", sha1_to_hex(sha1));
  45                break;
  46        case WRITE_TREE_UNREADABLE_INDEX:
  47                die("%s: error reading the index", me);
  48                break;
  49        case WRITE_TREE_UNMERGED_INDEX:
  50                die("%s: error building trees", me);
  51                break;
  52        case WRITE_TREE_PREFIX_ERROR:
  53                die("%s: prefix %s not found", me, prefix);
  54                break;
  55        }
  56        return ret;
  57}