| Eric W. Biederman | aed022a | 2005-07-15 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" |
| 7 | #include <stdio.h> |
| 8 | #include <errno.h> |
| 9 | #include <string.h> |
| 10 | |
| Petr Baudis | 4d1f119 | 2005-07-29 09:01:26 | [diff] [blame] | 11 | static const char var_usage[] = "git-var [-l | <variable>]"; |
| Eric W. Biederman | aed022a | 2005-07-15 00:55:09 | [diff] [blame] | 12 | |
| 13 | struct git_var { |
| 14 | const char *name; |
| 15 | char *(*read)(void); |
| 16 | }; |
| 17 | static struct git_var git_vars[] = { |
| 18 | { "GIT_COMMITTER_IDENT", git_committer_info }, |
| 19 | { "GIT_AUTHOR_IDENT", git_author_info }, |
| 20 | { "", NULL }, |
| 21 | }; |
| 22 | |
| 23 | static void list_vars(void) |
| 24 | { |
| 25 | struct git_var *ptr; |
| 26 | for(ptr = git_vars; ptr->read; ptr++) { |
| 27 | printf("%s=%s\n", ptr->name, ptr->read()); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | static const char *read_var(const char *var) |
| 32 | { |
| 33 | struct git_var *ptr; |
| 34 | const char *val; |
| 35 | val = NULL; |
| 36 | for(ptr = git_vars; ptr->read; ptr++) { |
| 37 | if (strcmp(var, ptr->name) == 0) { |
| 38 | val = ptr->read(); |
| 39 | break; |
| 40 | } |
| 41 | } |
| 42 | return val; |
| 43 | } |
| 44 | |
| 45 | int main(int argc, char **argv) |
| 46 | { |
| 47 | const char *val; |
| 48 | if (argc != 2) { |
| 49 | usage(var_usage); |
| 50 | } |
| 51 | setup_ident(); |
| 52 | val = NULL; |
| 53 | |
| 54 | if (strcmp(argv[1], "-l") == 0) { |
| 55 | list_vars(); |
| 56 | return 0; |
| 57 | } |
| 58 | val = read_var(argv[1]); |
| 59 | if (!val) |
| 60 | usage(var_usage); |
| 61 | |
| 62 | printf("%s\n", val); |
| 63 | |
| 64 | return 0; |
| 65 | } |
