Andrew's git - gitweb.git/blob

   1#include "cache.h"
   2
   3int main(int argc, char **argv)
   4{
   5        char *sha1_dir = getenv(DB_ENVIRONMENT), *path;
   6        int len, i, fd;
   7
   8        if (mkdir(".dircache", 0700) < 0) {
   9                perror("unable to create .dircache");
  10                exit(1);
  11        }
  12
  13        /*
  14         * If you want to, you can share the DB area with any number of branches.
  15         * That has advantages: you can save space by sharing all the SHA1 objects.
  16         * On the other hand, it might just make lookup slower and messier. You
  17         * be the judge.
  18         */
  19        sha1_dir = getenv(DB_ENVIRONMENT);
  20        if (sha1_dir) {
  21                struct stat st;
  22                if (!stat(sha1_dir, &st) < 0 && S_ISDIR(st.st_mode))
  23                        return;
  24                fprintf(stderr, "DB_ENVIRONMENT set to bad directory %s: ", sha1_dir);
  25        }
  26
  27        /*
  28         * The default case is to have a DB per managed directory. 
  29         */
  30        sha1_dir = DEFAULT_DB_ENVIRONMENT;
  31        fprintf(stderr, "defaulting to private storage area\n");
  32        len = strlen(sha1_dir);
  33        if (mkdir(sha1_dir, 0700) < 0) {
  34                if (errno != EEXIST) {
  35                        perror(sha1_dir);
  36                        exit(1);
  37                }
  38        }
  39        path = malloc(len + 40);
  40        memcpy(path, sha1_dir, len);
  41        for (i = 0; i < 256; i++) {
  42                sprintf(path+len, "/%02x", i);
  43                if (mkdir(path, 0700) < 0) {
  44                        if (errno != EEXIST) {
  45                                perror(path);
  46                                exit(1);
  47                        }
  48                }
  49        }
  50        return 0;
  51}