gitweb: use new Git::Repo API, and add optional caching
[git/gitweb-caching.git] / var.c
blobf1eb314e899c518b8dea54b4ff8f3923da7b12cf
1 /*
2 * GIT - The information manager from hell
4 * Copyright (C) Eric Biederman, 2005
5 */
6 #include "cache.h"
8 static const char var_usage[] = "git var [-l | <variable>]";
10 struct git_var {
11 const char *name;
12 const char *(*read)(int);
14 static struct git_var git_vars[] = {
15 { "GIT_COMMITTER_IDENT", git_committer_info },
16 { "GIT_AUTHOR_IDENT", git_author_info },
17 { "", NULL },
20 static void list_vars(void)
22 struct git_var *ptr;
23 for(ptr = git_vars; ptr->read; ptr++) {
24 printf("%s=%s\n", ptr->name, ptr->read(IDENT_WARN_ON_NO_NAME));
28 static const char *read_var(const char *var)
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) {
35 val = ptr->read(IDENT_ERROR_ON_NO_NAME);
36 break;
39 return val;
42 static int show_config(const char *var, const char *value, void *cb)
44 if (value)
45 printf("%s=%s\n", var, value);
46 else
47 printf("%s\n", var);
48 return git_default_config(var, value, cb);
51 int main(int argc, char **argv)
53 const char *val;
54 int nongit;
55 if (argc != 2) {
56 usage(var_usage);
59 setup_git_directory_gently(&nongit);
60 val = NULL;
62 if (strcmp(argv[1], "-l") == 0) {
63 git_config(show_config, NULL);
64 list_vars();
65 return 0;
67 git_config(git_default_config, NULL);
68 val = read_var(argv[1]);
69 if (!val)
70 usage(var_usage);
72 printf("%s\n", val);
74 return 0;