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 assume_unchanged = 0;
17int prefer_symlink_refs = 0;
18int log_all_ref_updates = 0;
19int warn_ambiguous_refs = 1;
20int repository_format_version = 0;
21char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
22int shared_repository = PERM_UMASK;
23const char *apply_default_whitespace = NULL;
24int zlib_compression_level = Z_DEFAULT_COMPRESSION;
25int pager_in_use;
26int pager_use_color = 1;
27
28static int dyn_git_object_dir, dyn_git_index_file, dyn_git_graft_file;
29static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
30 *git_graft_file;
31
32void setup_git(char *new_git_dir, char *new_git_object_dir,
33 char *new_git_index_file, char *new_git_graft_file)
34{
35 git_dir = new_git_dir;
36 if (!git_dir)
37 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
38
39 if (dyn_git_object_dir)
40 free(git_object_dir);
41 git_object_dir = new_git_object_dir;
42 if (!git_object_dir) {
43 git_object_dir = xmalloc(strlen(git_dir) + 9);
44 sprintf(git_object_dir, "%s/objects", git_dir);
45 dyn_git_object_dir = 1;
46 } else {
47 dyn_git_object_dir = 0;
48 }
49
50 if (git_refs_dir)
51 free(git_refs_dir);
52 git_refs_dir = xmalloc(strlen(git_dir) + 6);
53 sprintf(git_refs_dir, "%s/refs", git_dir);
54
55 if (dyn_git_index_file)
56 free(git_index_file);
57 git_index_file = new_git_index_file;
58 if (!git_index_file) {
59 git_index_file = xmalloc(strlen(git_dir) + 7);
60 sprintf(git_index_file, "%s/index", git_dir);
61 dyn_git_index_file = 1;
62 } else {
63 dyn_git_index_file = 0;
64 }
65
66 if (dyn_git_graft_file)
67 free(git_graft_file);
68 git_graft_file = new_git_graft_file;
69 if (!git_graft_file) {
70 git_graft_file = strdup(git_path("info/grafts"));
71 dyn_git_graft_file = 1;
72 } else {
73 dyn_git_graft_file = 0;
74 }
75}
76
77static void setup_git_env(void)
78{
79 setup_git(getenv(GIT_DIR_ENVIRONMENT),
80 getenv(DB_ENVIRONMENT),
81 getenv(INDEX_ENVIRONMENT),
82 getenv(GRAFT_ENVIRONMENT));
83}
84
85char *get_git_dir(void)
86{
87 if (!git_dir)
88 setup_git_env();
89 return git_dir;
90}
91
92char *get_object_directory(void)
93{
94 if (!git_object_dir)
95 setup_git_env();
96 return git_object_dir;
97}
98
99char *get_refs_directory(void)
100{
101 if (!git_refs_dir)
102 setup_git_env();
103 return git_refs_dir;
104}
105
106char *get_index_file(void)
107{
108 if (!git_index_file)
109 setup_git_env();
110 return git_index_file;
111}
112
113char *get_graft_file(void)
114{
115 if (!git_graft_file)
116 setup_git_env();
117 return git_graft_file;
118}
119
120