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 assume_unchanged = 0;
  16 int only_use_symrefs = 0;
  17 int repository_format_version = 0;
  18 char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
  19 int shared_repository = 0;
  20 const char *apply_default_whitespace = NULL;
  21
  22 static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
  23         *git_graft_file;
  24 static void setup_git_env(void)
  25 {
  26         git_dir = getenv(GIT_DIR_ENVIRONMENT);
  27         if (!git_dir)
  28                 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
  29         git_object_dir = getenv(DB_ENVIRONMENT);
  30         if (!git_object_dir) {
  31                 git_object_dir = xmalloc(strlen(git_dir) + 9);
  32                 sprintf(git_object_dir, "%s/objects", git_dir);
  33         }
  34         git_refs_dir = xmalloc(strlen(git_dir) + 6);
  35         sprintf(git_refs_dir, "%s/refs", git_dir);
  36         git_index_file = getenv(INDEX_ENVIRONMENT);
  37         if (!git_index_file) {
  38                 git_index_file = xmalloc(strlen(git_dir) + 7);
  39                 sprintf(git_index_file, "%s/index", git_dir);
  40         }
  41         git_graft_file = getenv(GRAFT_ENVIRONMENT);
  42         if (!git_graft_file)
  43                 git_graft_file = strdup(git_path("info/grafts"));
  44 }
  45
  46 char *get_git_dir(void)
  47 {
  48         if (!git_dir)
  49                 setup_git_env();
  50         return git_dir;
  51 }
  52
  53 char *get_object_directory(void)
  54 {
  55         if (!git_object_dir)
  56                 setup_git_env();
  57         return git_object_dir;
  58 }
  59
  60 char *get_refs_directory(void)
  61 {
  62         if (!git_refs_dir)
  63                 setup_git_env();
  64         return git_refs_dir;
  65 }
  66
  67 char *get_index_file(void)
  68 {
  69         if (!git_index_file)
  70                 setup_git_env();
  71         return git_index_file;
  72 }
  73
  74 char *get_graft_file(void)
  75 {
  76         if (!git_graft_file)
  77                 setup_git_env();
  78         return git_graft_file;
  79 }
  80
  81