Make zlib compression level configurable, and change default.
[git/git.git] / environment.c
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
12 char git_default_email[MAX_GITNAME];
13 char git_default_name[MAX_GITNAME];
14 int trust_executable_bit = 1;
15 int assume_unchanged = 0;
16 int prefer_symlink_refs = 0;
17 int log_all_ref_updates = 0;
18 int warn_ambiguous_refs = 1;
19 int repository_format_version = 0;
20 char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
21 int shared_repository = PERM_UMASK;
22 const char *apply_default_whitespace = NULL;
23 int zlib_compression_level = Z_DEFAULT_COMPRESSION;
24
25 static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
26 *git_graft_file;
27 static void setup_git_env(void)
28 {
29 git_dir = getenv(GIT_DIR_ENVIRONMENT);
30 if (!git_dir)
31 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
32 git_object_dir = getenv(DB_ENVIRONMENT);
33 if (!git_object_dir) {
34 git_object_dir = xmalloc(strlen(git_dir) + 9);
35 sprintf(git_object_dir, "%s/objects", git_dir);
36 }
37 git_refs_dir = xmalloc(strlen(git_dir) + 6);
38 sprintf(git_refs_dir, "%s/refs", git_dir);
39 git_index_file = getenv(INDEX_ENVIRONMENT);
40 if (!git_index_file) {
41 git_index_file = xmalloc(strlen(git_dir) + 7);
42 sprintf(git_index_file, "%s/index", git_dir);
43 }
44 git_graft_file = getenv(GRAFT_ENVIRONMENT);
45 if (!git_graft_file)
46 git_graft_file = strdup(git_path("info/grafts"));
47 }
48
49 char *get_git_dir(void)
50 {
51 if (!git_dir)
52 setup_git_env();
53 return git_dir;
54 }
55
56 char *get_object_directory(void)
57 {
58 if (!git_object_dir)
59 setup_git_env();
60 return git_object_dir;
61 }
62
63 char *get_refs_directory(void)
64 {
65 if (!git_refs_dir)
66 setup_git_env();
67 return git_refs_dir;
68 }
69
70 char *get_index_file(void)
71 {
72 if (!git_index_file)
73 setup_git_env();
74 return git_index_file;
75 }
76
77 char *get_graft_file(void)
78 {
79 if (!git_graft_file)
80 setup_git_env();
81 return git_graft_file;
82 }
83
84