1/* 2 * GIT - The information manager from hell 3 * 4 * Copyright (C) Linus Torvalds, 2005 5 */ 6#include "cache.h" 7 8int main(int argc, char **argv) 9{ 10 char *sha1_dir = getenv(DB_ENVIRONMENT), *path; 11 int len, i, fd; 12 13 if (mkdir(".dircache", 0700) < 0) { 14 perror("unable to create .dircache"); 15 exit(1); 16 } 17 18 /* 19 * If you want to, you can share the DB area with any number of branches. 20 * That has advantages: you can save space by sharing all the SHA1 objects. 21 * On the other hand, it might just make lookup slower and messier. You 22 * be the judge. 23 */ 24 sha1_dir = getenv(DB_ENVIRONMENT); 25 if (sha1_dir) { 26 struct stat st; 27 if (!stat(sha1_dir, &st) < 0 && S_ISDIR(st.st_mode)) 28 return; 29 fprintf(stderr, "DB_ENVIRONMENT set to bad directory %s: ", sha1_dir); 30 } 31 32 /* 33 * The default case is to have a DB per managed directory. 34 */ 35 sha1_dir = DEFAULT_DB_ENVIRONMENT; 36 fprintf(stderr, "defaulting to private storage area\n"); 37 len = strlen(sha1_dir); 38 if (mkdir(sha1_dir, 0700) < 0) { 39 if (errno != EEXIST) { 40 perror(sha1_dir); 41 exit(1); 42 } 43 } 44 path = malloc(len + 40); 45 memcpy(path, sha1_dir, len); 46 for (i = 0; i < 256; i++) { 47 sprintf(path+len, "/%02x", i); 48 if (mkdir(path, 0700) < 0) { 49 if (errno != EEXIST) { 50 perror(path); 51 exit(1); 52 } 53 } 54 } 55 return 0; 56}