1 files changed, 142 insertions, 0 deletions
diff --git a/repo-config.c b/repo-config.c
new file mode 100644
index 0000000000..c5ebb7668a
--- /dev/null
+++ b/repo-config.c
@@ -0,0 +1,142 @@
+#include "cache.h"
+#include <regex.h>
+
+static const char git_config_set_usage[] =
+"git-repo-config [ --bool | --int ] [--get | --get-all | --replace-all | --unset | --unset-all] name [value [value_regex]]";
+
+static char* key = NULL;
+static char* value = NULL;
+static regex_t* regexp = NULL;
+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_config(const char* key_, const char* value_)
+{
+	if (value_ == NULL)
+		value_ = "";
+
+	if (!strcmp(key_, key) &&
+			(regexp == NULL ||
+			 (do_not_match ^
+			  !regexec(regexp, value_, 0, NULL, 0)))) {
+		if (do_all) {
+			printf("%s\n", value_);
+			return 0;
+		}
+		if (seen > 0) {
+			fprintf(stderr, "More than one value: %s\n", value);
+			free(value);
+		}
+
+		if (type == T_INT) {
+			value = malloc(256);
+			sprintf(value, "%d", git_config_int(key_, value_));
+		} else if (type == T_BOOL) {
+			value = malloc(256);
+			sprintf(value, "%s", git_config_bool(key_, value_)
+					     ? "true" : "false");
+		} else {
+			value = strdup(value_);
+		}
+		seen++;
+	}
+	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 (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;
+		}
+	}
+
+	i = git_config(show_config);
+	if (value) {
+		printf("%s\n", value);
+		free(value);
+	}
+	free(key);
+	if (regexp) {
+		regfree(regexp);
+		free(regexp);
+	}
+
+	if (do_all)
+		return 0;
+
+	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
+			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
+
+			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], "--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;
+}