Andrew's git - gitweb.git/blob

   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 trust_executable_bit = 1;
  15int quote_path_fully = 1;
  16int has_symlinks = 1;
  17int assume_unchanged;
  18int prefer_symlink_refs;
  19int is_bare_repository_cfg = -1; /* unspecified */
  20int log_all_ref_updates = -1; /* unspecified */
  21int warn_ambiguous_refs = 1;
  22int repository_format_version;
  23const char *git_commit_encoding;
  24const char *git_log_output_encoding;
  25int shared_repository = PERM_UMASK;
  26const char *apply_default_whitespace;
  27int zlib_compression_level = Z_BEST_SPEED;
  28int core_compression_level;
  29int core_compression_seen;
  30size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
  31size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
  32size_t delta_base_cache_limit = 16 * 1024 * 1024;
  33const char *pager_program;
  34int pager_use_color = 1;
  35const char *editor_program;
  36const char *excludes_file;
  37int auto_crlf = 0;      /* 1: both ways, -1: only when adding git objects */
  38enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
  39unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
  40
  41/* This is set by setup_git_dir_gently() and/or git_default_config() */
  42char *git_work_tree_cfg;
  43static const char *work_tree;
  44
  45static const char *git_dir;
  46static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
  47
  48static void setup_git_env(void)
  49{
  50        git_dir = getenv(GIT_DIR_ENVIRONMENT);
  51        if (!git_dir)
  52                git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
  53        git_object_dir = getenv(DB_ENVIRONMENT);
  54        if (!git_object_dir) {
  55                git_object_dir = xmalloc(strlen(git_dir) + 9);
  56                sprintf(git_object_dir, "%s/objects", git_dir);
  57        }
  58        git_refs_dir = xmalloc(strlen(git_dir) + 6);
  59        sprintf(git_refs_dir, "%s/refs", git_dir);
  60        git_index_file = getenv(INDEX_ENVIRONMENT);
  61        if (!git_index_file) {
  62                git_index_file = xmalloc(strlen(git_dir) + 7);
  63                sprintf(git_index_file, "%s/index", git_dir);
  64        }
  65        git_graft_file = getenv(GRAFT_ENVIRONMENT);
  66        if (!git_graft_file)
  67                git_graft_file = xstrdup(git_path("info/grafts"));
  68}
  69
  70int is_bare_repository(void)
  71{
  72        /* if core.bare is not 'false', let's see if there is a work tree */
  73        return is_bare_repository_cfg && !get_git_work_tree();
  74}
  75
  76const char *get_git_dir(void)
  77{
  78        if (!git_dir)
  79                setup_git_env();
  80        return git_dir;
  81}
  82
  83const char *get_git_work_tree(void)
  84{
  85        static int initialized = 0;
  86        if (!initialized) {
  87                work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
  88                /* core.bare = true overrides implicit and config work tree */
  89                if (!work_tree && is_bare_repository_cfg < 1) {
  90                        work_tree = git_work_tree_cfg;
  91                        /* make_absolute_path also normalizes the path */
  92                        if (work_tree && !is_absolute_path(work_tree))
  93                                work_tree = xstrdup(make_absolute_path(git_path(work_tree)));
  94                } else if (work_tree)
  95                        work_tree = xstrdup(make_absolute_path(work_tree));
  96                initialized = 1;
  97                if (work_tree)
  98                        is_bare_repository_cfg = 0;
  99        }
 100        return work_tree;
 101}
 102
 103char *get_object_directory(void)
 104{
 105        if (!git_object_dir)
 106                setup_git_env();
 107        return git_object_dir;
 108}
 109
 110char *get_refs_directory(void)
 111{
 112        if (!git_refs_dir)
 113                setup_git_env();
 114        return git_refs_dir;
 115}
 116
 117char *get_index_file(void)
 118{
 119        if (!git_index_file)
 120                setup_git_env();
 121        return git_index_file;
 122}
 123
 124char *get_graft_file(void)
 125{
 126        if (!git_graft_file)
 127                setup_git_env();
 128        return git_graft_file;
 129}
 130
 131int set_git_dir(const char *path)
 132{
 133        if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
 134                return error("Could not set GIT_DIR to '%s'", path);
 135        setup_git_env();
 136        return 0;
 137}