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