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chromium / external / github.com / git / git / refs/tags/v1.6.1 / . / var.c
blob: f1eb314e899c518b8dea54b4ff8f3923da7b12cf [file] [log] [blame]
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]1/*
2 * GIT - The information manager from hell
3 *
4 * Copyright (C) Eric Biederman, 2005
5 */
6#include "cache.h"
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]7
Todd Zullinger5354a562008-07-30 17:48:33[diff] [blame]8static const char var_usage[] = "git var [-l | <variable>]";
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]9
10struct git_var {
11 const char *name;
Junio C Hamano749be722006-02-19 04:31:05[diff] [blame]12 const char *(*read)(int);
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]13};
14static struct git_var git_vars[] = {
15 { "GIT_COMMITTER_IDENT", git_committer_info },
16 { "GIT_AUTHOR_IDENT", git_author_info },
17 { "", NULL },
18};
19
20static void list_vars(void)
21{
22 struct git_var *ptr;
23 for(ptr = git_vars; ptr->read; ptr++) {
Junio C Hamano774751a2007-12-09 01:32:08[diff] [blame]24 printf("%s=%s\n", ptr->name, ptr->read(IDENT_WARN_ON_NO_NAME));
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]25 }
26}
27
28static 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) {
Junio C Hamano774751a2007-12-09 01:32:08[diff] [blame]35 val = ptr->read(IDENT_ERROR_ON_NO_NAME);
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]36 break;
37 }
38 }
39 return val;
40}
41
Johannes Schindelinef90d6d2008-05-14 17:46:53[diff] [blame]42static int show_config(const char *var, const char *value, void *cb)
Linus Torvaldse1b10392005-10-12 01:47:34[diff] [blame]43{
44 if (value)
45 printf("%s=%s\n", var, value);
46 else
47 printf("%s\n", var);
Johannes Schindelinef90d6d2008-05-14 17:46:53[diff] [blame]48 return git_default_config(var, value, cb);
Linus Torvaldse1b10392005-10-12 01:47:34[diff] [blame]49}
50
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]51int main(int argc, char **argv)
52{
53 const char *val;
Frank Lichtenheld2fba8362008-03-14 17:29:27[diff] [blame]54 int nongit;
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]55 if (argc != 2) {
56 usage(var_usage);
57 }
Junio C Hamano5d318ce2005-11-24 09:31:01[diff] [blame]58
Frank Lichtenheld2fba8362008-03-14 17:29:27[diff] [blame]59 setup_git_directory_gently(&nongit);
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]60 val = NULL;
61
62 if (strcmp(argv[1], "-l") == 0) {
Johannes Schindelinef90d6d2008-05-14 17:46:53[diff] [blame]63 git_config(show_config, NULL);
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]64 list_vars();
65 return 0;
66 }
Johannes Schindelinef90d6d2008-05-14 17:46:53[diff] [blame]67 git_config(git_default_config, NULL);
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]68 val = read_var(argv[1]);
69 if (!val)
70 usage(var_usage);
Junio C Hamanoa6080a02007-06-07 07:04:01[diff] [blame]71
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]72 printf("%s\n", val);
Junio C Hamanoa6080a02007-06-07 07:04:01[diff] [blame]73
Eric W. Biedermanaed022a2005-07-15 00:55:09[diff] [blame]74 return 0;
75}