gitweb: use new Git::Repo API, and add optional caching
[git/gitweb-caching.git] / environment.c
blob0c6d11f6a0c6fa5dbab2f36c4b4ad4de5aba4ac9
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 user_ident_explicitly_given;
15 int trust_executable_bit = 1;
16 int trust_ctime = 1;
17 int has_symlinks = 1;
18 int ignore_case;
19 int assume_unchanged;
20 int prefer_symlink_refs;
21 int is_bare_repository_cfg = -1; /* unspecified */
22 int log_all_ref_updates = -1; /* unspecified */
23 int warn_ambiguous_refs = 1;
24 int repository_format_version;
25 const char *git_commit_encoding;
26 const char *git_log_output_encoding;
27 int shared_repository = PERM_UMASK;
28 const char *apply_default_whitespace;
29 int zlib_compression_level = Z_BEST_SPEED;
30 int core_compression_level;
31 int core_compression_seen;
32 int fsync_object_files;
33 size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
34 size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
35 size_t delta_base_cache_limit = 16 * 1024 * 1024;
36 const char *pager_program;
37 int pager_use_color = 1;
38 const char *editor_program;
39 const char *excludes_file;
40 int auto_crlf = 0; /* 1: both ways, -1: only when adding git objects */
41 enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
42 unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
43 enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
44 enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
46 /* This is set by setup_git_dir_gently() and/or git_default_config() */
47 char *git_work_tree_cfg;
48 static char *work_tree;
50 static const char *git_dir;
51 static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
53 static void setup_git_env(void)
55 git_dir = getenv(GIT_DIR_ENVIRONMENT);
56 if (!git_dir)
57 git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
58 if (!git_dir)
59 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
60 git_object_dir = getenv(DB_ENVIRONMENT);
61 if (!git_object_dir) {
62 git_object_dir = xmalloc(strlen(git_dir) + 9);
63 sprintf(git_object_dir, "%s/objects", git_dir);
65 git_refs_dir = xmalloc(strlen(git_dir) + 6);
66 sprintf(git_refs_dir, "%s/refs", git_dir);
67 git_index_file = getenv(INDEX_ENVIRONMENT);
68 if (!git_index_file) {
69 git_index_file = xmalloc(strlen(git_dir) + 7);
70 sprintf(git_index_file, "%s/index", git_dir);
72 git_graft_file = getenv(GRAFT_ENVIRONMENT);
73 if (!git_graft_file)
74 git_graft_file = xstrdup(git_path("info/grafts"));
77 int is_bare_repository(void)
79 /* if core.bare is not 'false', let's see if there is a work tree */
80 return is_bare_repository_cfg && !get_git_work_tree();
83 const char *get_git_dir(void)
85 if (!git_dir)
86 setup_git_env();
87 return git_dir;
90 static int git_work_tree_initialized;
93 * Note. This works only before you used a work tree. This was added
94 * primarily to support git-clone to work in a new repository it just
95 * created, and is not meant to flip between different work trees.
97 void set_git_work_tree(const char *new_work_tree)
99 if (is_bare_repository_cfg >= 0)
100 die("cannot set work tree after initialization");
101 git_work_tree_initialized = 1;
102 free(work_tree);
103 work_tree = xstrdup(make_absolute_path(new_work_tree));
104 is_bare_repository_cfg = 0;
107 const char *get_git_work_tree(void)
109 if (!git_work_tree_initialized) {
110 work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
111 /* core.bare = true overrides implicit and config work tree */
112 if (!work_tree && is_bare_repository_cfg < 1) {
113 work_tree = git_work_tree_cfg;
114 /* make_absolute_path also normalizes the path */
115 if (work_tree && !is_absolute_path(work_tree))
116 work_tree = xstrdup(make_absolute_path(git_path(work_tree)));
117 } else if (work_tree)
118 work_tree = xstrdup(make_absolute_path(work_tree));
119 git_work_tree_initialized = 1;
120 if (work_tree)
121 is_bare_repository_cfg = 0;
123 return work_tree;
126 char *get_object_directory(void)
128 if (!git_object_dir)
129 setup_git_env();
130 return git_object_dir;
133 char *get_index_file(void)
135 if (!git_index_file)
136 setup_git_env();
137 return git_index_file;
140 char *get_graft_file(void)
142 if (!git_graft_file)
143 setup_git_env();
144 return git_graft_file;
147 int set_git_dir(const char *path)
149 if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
150 return error("Could not set GIT_DIR to '%s'", path);
151 setup_git_env();
152 return 0;