X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=builtin-config.c;h=91fdc4985d8e64fae12209174dd4aa2d887793e5;hb=847d10f56d7853cd0e139a7c2e6ad0ad2de5c464;hp=e5e243f27cb7ecab11ac0933a361d066f5b35ea9;hpb=d794d9e70ebb8c767b04f25c03290ef305cd31ab;p=git.git

diff --git a/builtin-config.c b/builtin-config.c
index e5e243f27..91fdc4985 100644
--- a/builtin-config.c
+++ b/builtin-config.c
@@ -1,8 +1,9 @@
 #include "builtin.h"
 #include "cache.h"
+#include "color.h"
 
 static const char git_config_set_usage[] =
-"git-config [ --global | --system | [ -f | --file ] config-file ] [ --bool | --int ] [ -z | --null ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --remove-section name | --list";
+"git config [ --global | --system | [ -f | --file ] config-file ] [ --bool | --int | --bool-or-int ] [ -z | --null ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --remove-section name | --list | --get-color var [default] | --get-colorbool name [stdout-is-tty]";
 
 static char *key;
 static regex_t *key_regexp;
@@ -15,9 +16,9 @@ static int seen;
 static char delim = '=';
 static char key_delim = ' ';
 static char term = '\n';
-static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
+static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;
 
-static int show_all_config(const char *key_, const char *value_)
+static int show_all_config(const char *key_, const char *value_, void *cb)
 {
 	if (value_)
 		printf("%s%c%s%c", key_, delim, value_, term);
@@ -26,7 +27,7 @@ static int show_all_config(const char *key_, const char *value_)
 	return 0;
 }
 
-static int show_config(const char* key_, const char* value_)
+static int show_config(const char* key_, const char* value_, void *cb)
 {
 	char value[256];
 	const char *vptr = value;
@@ -37,8 +38,7 @@ static int show_config(const char* key_, const char* value_)
 	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
 		return 0;
 	if (regexp != NULL &&
-			 (do_not_match ^
-			  regexec(regexp, (value_?value_:""), 0, NULL, 0)))
+	    (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
 		return 0;
 
 	if (show_keys) {
@@ -53,6 +53,14 @@ static int show_config(const char* key_, const char* value_)
 		sprintf(value, "%d", git_config_int(key_, value_?value_:""));
 	else if (type == T_BOOL)
 		vptr = git_config_bool(key_, value_) ? "true" : "false";
+	else if (type == T_BOOL_OR_INT) {
+		int is_bool, v;
+		v = git_config_bool_or_int(key_, value_, &is_bool);
+		if (is_bool)
+			vptr = v ? "true" : "false";
+		else
+			sprintf(value, "%d", v);
+	}
 	else
 		vptr = value_?value_:"";
 	seen++;
@@ -73,15 +81,14 @@ static int get_value(const char* key_, const char* regex_)
 	char *global = NULL, *repo_config = NULL;
 	const char *system_wide = NULL, *local;
 
-	local = getenv(CONFIG_ENVIRONMENT);
+	local = config_exclusive_filename;
 	if (!local) {
 		const char *home = getenv("HOME");
-		local = getenv(CONFIG_LOCAL_ENVIRONMENT);
-		if (!local)
-			local = repo_config = xstrdup(git_path("config"));
-		if (home)
+		local = repo_config = xstrdup(git_path("config"));
+		if (git_config_global() && home)
 			global = xstrdup(mkpath("%s/.gitconfig", home));
-		system_wide = ETC_GITCONFIG;
+		if (git_config_system())
+			system_wide = git_etc_gitconfig();
 	}
 
 	key = xstrdup(key_);
@@ -112,14 +119,14 @@ static int get_value(const char* key_, const char* regex_)
 	}
 
 	if (do_all && system_wide)
-		git_config_from_file(show_config, system_wide);
+		git_config_from_file(show_config, system_wide, NULL);
 	if (do_all && global)
-		git_config_from_file(show_config, global);
-	git_config_from_file(show_config, local);
+		git_config_from_file(show_config, global, NULL);
+	git_config_from_file(show_config, local, NULL);
 	if (!do_all && !seen && global)
-		git_config_from_file(show_config, global);
+		git_config_from_file(show_config, global, NULL);
 	if (!do_all && !seen && system_wide)
-		git_config_from_file(show_config, system_wide);
+		git_config_from_file(show_config, system_wide, NULL);
 
 	free(key);
 	if (regexp) {
@@ -138,7 +145,7 @@ free_strings:
 	return ret;
 }
 
-char *normalize_value(const char *key, const char *value)
+static char *normalize_value(const char *key, const char *value)
 {
 	char *normalized;
 
@@ -156,26 +163,144 @@ char *normalize_value(const char *key, const char *value)
 		else if (type == T_BOOL)
 			sprintf(normalized, "%s",
 				git_config_bool(key, value) ? "true" : "false");
+		else if (type == T_BOOL_OR_INT) {
+			int is_bool, v;
+			v = git_config_bool_or_int(key, value, &is_bool);
+			if (!is_bool)
+				sprintf(normalized, "%d", v);
+			else
+				sprintf(normalized, "%s", v ? "true" : "false");
+		}
 	}
 
 	return normalized;
 }
 
+static int get_color_found;
+static const char *get_color_slot;
+static char parsed_color[COLOR_MAXLEN];
+
+static int git_get_color_config(const char *var, const char *value, void *cb)
+{
+	if (!strcmp(var, get_color_slot)) {
+		if (!value)
+			config_error_nonbool(var);
+		color_parse(value, var, parsed_color);
+		get_color_found = 1;
+	}
+	return 0;
+}
+
+static int get_color(int argc, const char **argv)
+{
+	/*
+	 * grab the color setting for the given slot from the configuration,
+	 * or parse the default value if missing, and return ANSI color
+	 * escape sequence.
+	 *
+	 * e.g.
+	 * git config --get-color color.diff.whitespace "blue reverse"
+	 */
+	const char *def_color = NULL;
+
+	switch (argc) {
+	default:
+		usage(git_config_set_usage);
+	case 2:
+		def_color = argv[1];
+		/* fallthru */
+	case 1:
+		get_color_slot = argv[0];
+		break;
+	}
+
+	get_color_found = 0;
+	parsed_color[0] = '\0';
+	git_config(git_get_color_config, NULL);
+
+	if (!get_color_found && def_color)
+		color_parse(def_color, "command line", parsed_color);
+
+	fputs(parsed_color, stdout);
+	return 0;
+}
+
+static int stdout_is_tty;
+static int get_colorbool_found;
+static int get_diff_color_found;
+static int git_get_colorbool_config(const char *var, const char *value,
+		void *cb)
+{
+	if (!strcmp(var, get_color_slot)) {
+		get_colorbool_found =
+			git_config_colorbool(var, value, stdout_is_tty);
+	}
+	if (!strcmp(var, "diff.color")) {
+		get_diff_color_found =
+			git_config_colorbool(var, value, stdout_is_tty);
+	}
+	if (!strcmp(var, "color.ui")) {
+		git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
+		return 0;
+	}
+	return 0;
+}
+
+static int get_colorbool(int argc, const char **argv)
+{
+	/*
+	 * git config --get-colorbool <slot> [<stdout-is-tty>]
+	 *
+	 * returns "true" or "false" depending on how <slot>
+	 * is configured.
+	 */
+
+	if (argc == 2)
+		stdout_is_tty = git_config_bool("command line", argv[1]);
+	else if (argc == 1)
+		stdout_is_tty = isatty(1);
+	else
+		usage(git_config_set_usage);
+	get_colorbool_found = -1;
+	get_diff_color_found = -1;
+	get_color_slot = argv[0];
+	git_config(git_get_colorbool_config, NULL);
+
+	if (get_colorbool_found < 0) {
+		if (!strcmp(get_color_slot, "color.diff"))
+			get_colorbool_found = get_diff_color_found;
+		if (get_colorbool_found < 0)
+			get_colorbool_found = git_use_color_default;
+	}
+
+	if (argc == 1) {
+		return get_colorbool_found ? 0 : 1;
+	} else {
+		printf("%s\n", get_colorbool_found ? "true" : "false");
+		return 0;
+	}
+}
+
 int cmd_config(int argc, const char **argv, const char *prefix)
 {
-	int nongit = 0;
+	int nongit;
 	char* value;
 	const char *file = setup_git_directory_gently(&nongit);
 
+	config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
+
 	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], "--bool-or-int"))
+			type = T_BOOL_OR_INT;
 		else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
 			if (argc != 2)
 				usage(git_config_set_usage);
-			if (git_config(show_all_config) < 0 && file && errno)
+			if (git_config(show_all_config, NULL) < 0 &&
+					file && errno)
 				die("unable to read config file %s: %s", file,
 				    strerror(errno));
 			return 0;
@@ -184,14 +309,13 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 			char *home = getenv("HOME");
 			if (home) {
 				char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
-				setenv(CONFIG_ENVIRONMENT, user_config, 1);
-				free(user_config);
+				config_exclusive_filename = user_config;
 			} else {
 				die("$HOME not set");
 			}
 		}
 		else if (!strcmp(argv[1], "--system"))
-			setenv(CONFIG_ENVIRONMENT, ETC_GITCONFIG, 1);
+			config_exclusive_filename = git_etc_gitconfig();
 		else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
 			if (argc < 3)
 				usage(git_config_set_usage);
@@ -200,7 +324,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 						       argv[2]);
 			else
 				file = argv[2];
-			setenv(CONFIG_ENVIRONMENT, file, 1);
+			config_exclusive_filename = file;
 			argc--;
 			argv++;
 		}
@@ -234,8 +358,11 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 				return 1;
 			}
 			return 0;
-		}
-		else
+		} else if (!strcmp(argv[1], "--get-color")) {
+			return get_color(argc-2, argv+2);
+		} else if (!strcmp(argv[1], "--get-colorbool")) {
+			return get_colorbool(argc-2, argv+2);
+		} else
 			break;
 		argc--;
 		argv++;