Andrew's git - gitweb.git/blob

   1/*
   2 * GIT - The information manager from hell
   3 *
   4 * Copyright (C) Eric Biederman, 2005
   5 */
   6#include "cache.h"
   7
   8static const char var_usage[] = "git-var [-l | <variable>]";
   9
  10struct git_var {
  11        const char *name;
  12        const char *(*read)(int);
  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++) {
  24                printf("%s=%s\n", ptr->name, ptr->read(0));
  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) {
  35                        val = ptr->read(1);
  36                        break;
  37                }
  38        }
  39        return val;
  40}
  41
  42static 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
  51int main(int argc, char **argv)
  52{
  53        const char *val;
  54        if (argc != 2) {
  55                usage(var_usage);
  56        }
  57
  58        setup_git_directory();
  59        val = NULL;
  60
  61        if (strcmp(argv[1], "-l") == 0) {
  62                git_config(show_config);
  63                list_vars();
  64                return 0;
  65        }
  66        git_config(git_default_config);
  67        val = read_var(argv[1]);
  68        if (!val)
  69                usage(var_usage);
  70
  71        printf("%s\n", val);
  72
  73        return 0;
  74}