git-send-email: Add --thread option
[git/aroben.git] / environment.c
blob8b9b89d0a0c93683b522383ed56d7f464a6962cb
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.
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"
12 char git_default_email[MAX_GITNAME];
13 char git_default_name[MAX_GITNAME];
14 int trust_executable_bit = 1;
15 int has_symlinks = 1;
16 int assume_unchanged;
17 int prefer_symlink_refs;
18 int is_bare_repository_cfg = -1; /* unspecified */
19 int log_all_ref_updates = -1; /* unspecified */
20 int warn_ambiguous_refs = 1;
21 int repository_format_version;
22 const char *git_commit_encoding;
23 const char *git_log_output_encoding;
24 int shared_repository = PERM_UMASK;
25 const char *apply_default_whitespace;
26 int zlib_compression_level = Z_BEST_SPEED;
27 int core_compression_level;
28 int core_compression_seen;
29 size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
30 size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
31 size_t delta_base_cache_limit = 16 * 1024 * 1024;
32 int pager_in_use;
33 int pager_use_color = 1;
34 int auto_crlf = 0; /* 1: both ways, -1: only when adding git objects */
36 static const char *git_dir;
37 static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
39 static void setup_git_env(void)
41 git_dir = getenv(GIT_DIR_ENVIRONMENT);
42 if (!git_dir)
43 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
44 git_object_dir = getenv(DB_ENVIRONMENT);
45 if (!git_object_dir) {
46 git_object_dir = xmalloc(strlen(git_dir) + 9);
47 sprintf(git_object_dir, "%s/objects", git_dir);
49 git_refs_dir = xmalloc(strlen(git_dir) + 6);
50 sprintf(git_refs_dir, "%s/refs", git_dir);
51 git_index_file = getenv(INDEX_ENVIRONMENT);
52 if (!git_index_file) {
53 git_index_file = xmalloc(strlen(git_dir) + 7);
54 sprintf(git_index_file, "%s/index", git_dir);
56 git_graft_file = getenv(GRAFT_ENVIRONMENT);
57 if (!git_graft_file)
58 git_graft_file = xstrdup(git_path("info/grafts"));
61 int is_bare_repository(void)
63 const char *dir, *s;
64 if (0 <= is_bare_repository_cfg)
65 return is_bare_repository_cfg;
67 dir = get_git_dir();
68 if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
69 return 0;
70 s = strrchr(dir, '/');
71 return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
74 const char *get_git_dir(void)
76 if (!git_dir)
77 setup_git_env();
78 return git_dir;
81 char *get_object_directory(void)
83 if (!git_object_dir)
84 setup_git_env();
85 return git_object_dir;
88 char *get_refs_directory(void)
90 if (!git_refs_dir)
91 setup_git_env();
92 return git_refs_dir;
95 char *get_index_file(void)
97 if (!git_index_file)
98 setup_git_env();
99 return git_index_file;
102 char *get_graft_file(void)
104 if (!git_graft_file)
105 setup_git_env();
106 return git_graft_file;