environment.c

   1 /*
   2  * We put all the git config variables in this same object
   3  * file, so that programs can link against the config parser
   4  * without having to link against all the rest of git.
   5  *
   6  * In particular, no need to bring in libz etc unless needed,
   7  * even if you might want to know where the git directory etc
   8  * are.
   9  */
  10 #include "cache.h"
  11
  12 char git_default_email[MAX_GITNAME];
  13 char git_default_name[MAX_GITNAME];
  14 int trust_executable_bit = 1;
  15 int only_use_symrefs = 0;
  16 int repository_format_version = 0;
  17 char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
  18 int shared_repository = 0;
  19
  20 static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
  21         *git_graft_file;
  22 static void setup_git_env(void)
  23 {
  24         git_dir = getenv(GIT_DIR_ENVIRONMENT);
  25         if (!git_dir)
  26                 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
  27         git_object_dir = getenv(DB_ENVIRONMENT);
  28         if (!git_object_dir) {
  29                 git_object_dir = xmalloc(strlen(git_dir) + 9);
  30                 sprintf(git_object_dir, "%s/objects", git_dir);
  31         }
  32         git_refs_dir = xmalloc(strlen(git_dir) + 6);
  33         sprintf(git_refs_dir, "%s/refs", git_dir);
  34         git_index_file = getenv(INDEX_ENVIRONMENT);
  35         if (!git_index_file) {
  36                 git_index_file = xmalloc(strlen(git_dir) + 7);
  37                 sprintf(git_index_file, "%s/index", git_dir);
  38         }
  39         git_graft_file = getenv(GRAFT_ENVIRONMENT);
  40         if (!git_graft_file)
  41                 git_graft_file = strdup(git_path("info/grafts"));
  42 }
  43
  44 char *get_git_dir(void)
  45 {
  46         if (!git_dir)
  47                 setup_git_env();
  48         return git_dir;
  49 }
  50
  51 char *get_object_directory(void)
  52 {
  53         if (!git_object_dir)
  54                 setup_git_env();
  55         return git_object_dir;
  56 }
  57
  58 char *get_refs_directory(void)
  59 {
  60         if (!git_refs_dir)
  61                 setup_git_env();
  62         return git_refs_dir;
  63 }
  64
  65 char *get_index_file(void)
  66 {
  67         if (!git_index_file)
  68                 setup_git_env();
  69         return git_index_file;
  70 }
  71
  72 char *get_graft_file(void)
  73 {
  74         if (!git_graft_file)
  75                 setup_git_env();
  76         return git_graft_file;
  77 }
  78
  79