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aed022ab EB |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Eric Biederman, 2005 | |
5 | */ | |
6 | #include "cache.h" | |
aed022ab | 7 | |
4d1f1190 | 8 | static const char var_usage[] = "git-var [-l | <variable>]"; |
aed022ab EB |
9 | |
10 | struct git_var { | |
11 | const char *name; | |
749be728 | 12 | const char *(*read)(int); |
aed022ab EB |
13 | }; |
14 | static struct git_var git_vars[] = { | |
15 | { "GIT_COMMITTER_IDENT", git_committer_info }, | |
16 | { "GIT_AUTHOR_IDENT", git_author_info }, | |
17 | { "", NULL }, | |
18 | }; | |
19 | ||
20 | static void list_vars(void) | |
21 | { | |
22 | struct git_var *ptr; | |
23 | for(ptr = git_vars; ptr->read; ptr++) { | |
749be728 | 24 | printf("%s=%s\n", ptr->name, ptr->read(0)); |
aed022ab EB |
25 | } |
26 | } | |
27 | ||
28 | static const char *read_var(const char *var) | |
29 | { | |
30 | struct git_var *ptr; | |
31 | const char *val; | |
32 | val = NULL; | |
33 | for(ptr = git_vars; ptr->read; ptr++) { | |
34 | if (strcmp(var, ptr->name) == 0) { | |
749be728 | 35 | val = ptr->read(1); |
aed022ab EB |
36 | break; |
37 | } | |
38 | } | |
39 | return val; | |
40 | } | |
41 | ||
e1b10391 LT |
42 | static int show_config(const char *var, const char *value) |
43 | { | |
44 | if (value) | |
45 | printf("%s=%s\n", var, value); | |
46 | else | |
47 | printf("%s\n", var); | |
48 | return git_default_config(var, value); | |
49 | } | |
50 | ||
aed022ab EB |
51 | int main(int argc, char **argv) |
52 | { | |
53 | const char *val; | |
54 | if (argc != 2) { | |
55 | usage(var_usage); | |
56 | } | |
5d318ce6 JH |
57 | |
58 | setup_git_directory(); | |
aed022ab EB |
59 | setup_ident(); |
60 | val = NULL; | |
61 | ||
62 | if (strcmp(argv[1], "-l") == 0) { | |
e1b10391 | 63 | git_config(show_config); |
aed022ab EB |
64 | list_vars(); |
65 | return 0; | |
66 | } | |
e1b10391 | 67 | git_config(git_default_config); |
aed022ab EB |
68 | val = read_var(argv[1]); |
69 | if (!val) | |
70 | usage(var_usage); | |
71 | ||
72 | printf("%s\n", val); | |
73 | ||
74 | return 0; | |
75 | } |