environment.con commit Merge branch 'master' into pb/gitpm (d7b6c3c)
   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
  12char git_default_email[MAX_GITNAME];
  13char git_default_name[MAX_GITNAME];
  14int use_legacy_headers = 1;
  15int trust_executable_bit = 1;
  16int assume_unchanged = 0;
  17int prefer_symlink_refs = 0;
  18int log_all_ref_updates = 0;
  19int warn_ambiguous_refs = 1;
  20int repository_format_version = 0;
  21char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
  22int shared_repository = PERM_UMASK;
  23const char *apply_default_whitespace = NULL;
  24int zlib_compression_level = Z_DEFAULT_COMPRESSION;
  25int pager_in_use;
  26int pager_use_color = 1;
  27
  28static int dyn_git_object_dir, dyn_git_index_file, dyn_git_graft_file;
  29static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
  30        *git_graft_file;
  31
  32void setup_git(char *new_git_dir, char *new_git_object_dir,
  33               char *new_git_index_file, char *new_git_graft_file)
  34{
  35        git_dir = new_git_dir;
  36        if (!git_dir)
  37                git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
  38
  39        if (dyn_git_object_dir)
  40                free(git_object_dir);
  41        git_object_dir = new_git_object_dir;
  42        if (!git_object_dir) {
  43                git_object_dir = xmalloc(strlen(git_dir) + 9);
  44                sprintf(git_object_dir, "%s/objects", git_dir);
  45                dyn_git_object_dir = 1;
  46        } else {
  47                dyn_git_object_dir = 0;
  48        }
  49
  50        if (git_refs_dir)
  51                free(git_refs_dir);
  52        git_refs_dir = xmalloc(strlen(git_dir) + 6);
  53        sprintf(git_refs_dir, "%s/refs", git_dir);
  54
  55        if (dyn_git_index_file)
  56                free(git_index_file);
  57        git_index_file = new_git_index_file;
  58        if (!git_index_file) {
  59                git_index_file = xmalloc(strlen(git_dir) + 7);
  60                sprintf(git_index_file, "%s/index", git_dir);
  61                dyn_git_index_file = 1;
  62        } else {
  63                dyn_git_index_file = 0;
  64        }
  65
  66        if (dyn_git_graft_file)
  67                free(git_graft_file);
  68        git_graft_file = new_git_graft_file;
  69        if (!git_graft_file) {
  70                git_graft_file = strdup(git_path("info/grafts"));
  71                dyn_git_graft_file = 1;
  72        } else {
  73                dyn_git_graft_file = 0;
  74        }
  75}
  76
  77static void setup_git_env(void)
  78{
  79        setup_git(getenv(GIT_DIR_ENVIRONMENT),
  80                  getenv(DB_ENVIRONMENT),
  81                  getenv(INDEX_ENVIRONMENT),
  82                  getenv(GRAFT_ENVIRONMENT));
  83}
  84
  85char *get_git_dir(void)
  86{
  87        if (!git_dir)
  88                setup_git_env();
  89        return git_dir;
  90}
  91
  92char *get_object_directory(void)
  93{
  94        if (!git_object_dir)
  95                setup_git_env();
  96        return git_object_dir;
  97}
  98
  99char *get_refs_directory(void)
 100{
 101        if (!git_refs_dir)
 102                setup_git_env();
 103        return git_refs_dir;
 104}
 105
 106char *get_index_file(void)
 107{
 108        if (!git_index_file)
 109                setup_git_env();
 110        return git_index_file;
 111}
 112
 113char *get_graft_file(void)
 114{
 115        if (!git_graft_file)
 116                setup_git_env();
 117        return git_graft_file;
 118}
 119
 120