Add zlib
[git/pclouds.git] / environment.c
blob628900636d412a807afa2f7b2c3e110aa57fa9b0
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 quote_path_fully = 1;
16 int has_symlinks = 1;
17 int assume_unchanged;
18 int prefer_symlink_refs;
19 int is_bare_repository_cfg = -1; /* unspecified */
20 int log_all_ref_updates = -1; /* unspecified */
21 int warn_ambiguous_refs = 1;
22 int repository_format_version;
23 const char *git_commit_encoding;
24 const char *git_log_output_encoding;
25 int shared_repository = PERM_UMASK;
26 const char *apply_default_whitespace;
27 int zlib_compression_level = Z_BEST_SPEED;
28 int core_compression_level;
29 int core_compression_seen;
30 size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
31 size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
32 size_t delta_base_cache_limit = 16 * 1024 * 1024;
33 char *pager_program;
34 int pager_in_use;
35 int pager_use_color = 1;
36 int auto_crlf = 0; /* 1: both ways, -1: only when adding git objects */
38 static const char *git_dir;
39 static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
41 static void setup_git_env(void)
43 git_dir = getenv(GIT_DIR_ENVIRONMENT);
44 if (!git_dir)
45 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
46 git_object_dir = getenv(DB_ENVIRONMENT);
47 if (!git_object_dir) {
48 git_object_dir = xmalloc(strlen(git_dir) + 9);
49 sprintf(git_object_dir, "%s/objects", git_dir);
51 git_refs_dir = xmalloc(strlen(git_dir) + 6);
52 sprintf(git_refs_dir, "%s/refs", git_dir);
53 git_index_file = getenv(INDEX_ENVIRONMENT);
54 if (!git_index_file) {
55 git_index_file = xmalloc(strlen(git_dir) + 7);
56 sprintf(git_index_file, "%s/index", git_dir);
58 git_graft_file = getenv(GRAFT_ENVIRONMENT);
59 if (!git_graft_file)
60 git_graft_file = xstrdup(git_path("info/grafts"));
63 int is_bare_repository(void)
65 const char *dir, *s;
66 if (0 <= is_bare_repository_cfg)
67 return is_bare_repository_cfg;
69 dir = get_git_dir();
70 if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
71 return 0;
72 s = strrchr(dir, '/');
73 return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
76 const char *get_git_dir(void)
78 if (!git_dir)
79 setup_git_env();
80 return git_dir;
83 void set_git_dir(const char *newDir)
85 setenv(GIT_DIR_ENVIRONMENT, newDir, 1);
86 git_dir = NULL; // reset cache
89 char *get_object_directory(void)
91 if (!git_object_dir)
92 setup_git_env();
93 return git_object_dir;
96 char *get_refs_directory(void)
98 if (!git_refs_dir)
99 setup_git_env();
100 return git_refs_dir;
103 char *get_index_file(void)
105 if (!git_index_file)
106 setup_git_env();
107 return git_index_file;
110 char *get_graft_file(void)
112 if (!git_graft_file)
113 setup_git_env();
114 return git_graft_file;