git/repo-config.c
Johannes Schindelin 8f5ff31f8e repo-config: deconvolute logics
It was rightly noticed that the logic is quite convoluted. Fix that.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-05-03 16:26:29 -07:00

176 lines
4.0 KiB
C

#include "cache.h"
#include <regex.h>
static const char git_config_set_usage[] =
"git-repo-config [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list";
static char* key = NULL;
static regex_t* key_regexp = NULL;
static regex_t* regexp = NULL;
static int show_keys = 0;
static int use_key_regexp = 0;
static int do_all = 0;
static int do_not_match = 0;
static int seen = 0;
static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
static int show_all_config(const char *key_, const char *value_)
{
if (value_)
printf("%s=%s\n", key_, value_);
else
printf("%s\n", key_);
return 0;
}
static int show_config(const char* key_, const char* value_)
{
char value[256];
const char *vptr = value;
int dup_error = 0;
if (value_ == NULL)
value_ = "";
if (!use_key_regexp && strcmp(key_, key))
return 0;
if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
return 0;
if (regexp != NULL &&
(do_not_match ^
regexec(regexp, value_, 0, NULL, 0)))
return 0;
if (show_keys)
printf("%s ", key_);
if (seen && !do_all)
dup_error = 1;
if (type == T_INT)
sprintf(value, "%d", git_config_int(key_, value_));
else if (type == T_BOOL)
vptr = git_config_bool(key_, value_) ? "true" : "false";
else
vptr = value_;
seen++;
if (dup_error) {
error("More than one value for the key %s: %s",
key_, vptr);
}
else
printf("%s\n", vptr);
return 0;
}
static int get_value(const char* key_, const char* regex_)
{
int i;
key = malloc(strlen(key_)+1);
for (i = 0; key_[i]; i++)
key[i] = tolower(key_[i]);
key[i] = 0;
if (use_key_regexp) {
key_regexp = (regex_t*)malloc(sizeof(regex_t));
if (regcomp(key_regexp, key, REG_EXTENDED)) {
fprintf(stderr, "Invalid key pattern: %s\n", key_);
return -1;
}
}
if (regex_) {
if (regex_[0] == '!') {
do_not_match = 1;
regex_++;
}
regexp = (regex_t*)malloc(sizeof(regex_t));
if (regcomp(regexp, regex_, REG_EXTENDED)) {
fprintf(stderr, "Invalid pattern: %s\n", regex_);
return -1;
}
}
git_config(show_config);
free(key);
if (regexp) {
regfree(regexp);
free(regexp);
}
if (do_all)
return !seen;
return (seen == 1) ? 0 : 1;
}
int main(int argc, const char **argv)
{
setup_git_directory();
while (1 < argc) {
if (!strcmp(argv[1], "--int"))
type = T_INT;
else if (!strcmp(argv[1], "--bool"))
type = T_BOOL;
else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
return git_config(show_all_config);
else
break;
argc--;
argv++;
}
switch (argc) {
case 2:
return get_value(argv[1], NULL);
case 3:
if (!strcmp(argv[1], "--unset"))
return git_config_set(argv[2], NULL);
else if (!strcmp(argv[1], "--unset-all"))
return git_config_set_multivar(argv[2], NULL, NULL, 1);
else if (!strcmp(argv[1], "--get"))
return get_value(argv[2], NULL);
else if (!strcmp(argv[1], "--get-all")) {
do_all = 1;
return get_value(argv[2], NULL);
} else if (!strcmp(argv[1], "--get-regexp")) {
show_keys = 1;
use_key_regexp = 1;
do_all = 1;
return get_value(argv[2], NULL);
} else
return git_config_set(argv[1], argv[2]);
case 4:
if (!strcmp(argv[1], "--unset"))
return git_config_set_multivar(argv[2], NULL, argv[3], 0);
else if (!strcmp(argv[1], "--unset-all"))
return git_config_set_multivar(argv[2], NULL, argv[3], 1);
else if (!strcmp(argv[1], "--get"))
return get_value(argv[2], argv[3]);
else if (!strcmp(argv[1], "--get-all")) {
do_all = 1;
return get_value(argv[2], argv[3]);
} else if (!strcmp(argv[1], "--get-regexp")) {
show_keys = 1;
use_key_regexp = 1;
do_all = 1;
return get_value(argv[2], argv[3]);
} else if (!strcmp(argv[1], "--replace-all"))
return git_config_set_multivar(argv[2], argv[3], NULL, 1);
else
return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
case 5:
if (!strcmp(argv[1], "--replace-all"))
return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
case 1:
default:
usage(git_config_set_usage);
}
return 0;
}