environment.con commit DESTDIR support for git/contrib/emacs (1e31fbe)
   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 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_DEFAULT_COMPRESSION;
  28size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
  29size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
  30size_t delta_base_cache_limit = 16 * 1024 * 1024;
  31int pager_in_use;
  32int pager_use_color = 1;
  33int auto_crlf = 0;      /* 1: both ways, -1: only when adding git objects */
  34
  35static const char *git_dir;
  36static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
  37
  38static void setup_git_env(void)
  39{
  40        git_dir = getenv(GIT_DIR_ENVIRONMENT);
  41        if (!git_dir)
  42                git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
  43        git_object_dir = getenv(DB_ENVIRONMENT);
  44        if (!git_object_dir) {
  45                git_object_dir = xmalloc(strlen(git_dir) + 9);
  46                sprintf(git_object_dir, "%s/objects", git_dir);
  47        }
  48        git_refs_dir = xmalloc(strlen(git_dir) + 6);
  49        sprintf(git_refs_dir, "%s/refs", git_dir);
  50        git_index_file = getenv(INDEX_ENVIRONMENT);
  51        if (!git_index_file) {
  52                git_index_file = xmalloc(strlen(git_dir) + 7);
  53                sprintf(git_index_file, "%s/index", git_dir);
  54        }
  55        git_graft_file = getenv(GRAFT_ENVIRONMENT);
  56        if (!git_graft_file)
  57                git_graft_file = xstrdup(git_path("info/grafts"));
  58}
  59
  60int is_bare_repository(void)
  61{
  62        const char *dir, *s;
  63        if (0 <= is_bare_repository_cfg)
  64                return is_bare_repository_cfg;
  65
  66        dir = get_git_dir();
  67        if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
  68                return 0;
  69        s = strrchr(dir, '/');
  70        return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
  71}
  72
  73const char *get_git_dir(void)
  74{
  75        if (!git_dir)
  76                setup_git_env();
  77        return git_dir;
  78}
  79
  80char *get_object_directory(void)
  81{
  82        if (!git_object_dir)
  83                setup_git_env();
  84        return git_object_dir;
  85}
  86
  87char *get_refs_directory(void)
  88{
  89        if (!git_refs_dir)
  90                setup_git_env();
  91        return git_refs_dir;
  92}
  93
  94char *get_index_file(void)
  95{
  96        if (!git_index_file)
  97                setup_git_env();
  98        return git_index_file;
  99}
 100
 101char *get_graft_file(void)
 102{
 103        if (!git_graft_file)
 104                setup_git_env();
 105        return git_graft_file;
 106}
 107
 108