[PATCH 6/7] config: implement --literal-value with --get*

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From: Derrick Stolee <dstolee@xxxxxxxxxxxxx>

The config builtin does its own regex matching of values for the --get,
--get-all, and --get-regexp modes. Plumb the existing 'flags' parameter
to the get_value() method so we can initialize the value_regex argument
as a fixed string instead of a regex pattern.

Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
---
 builtin/config.c  | 15 ++++++++++-----
 t/t1300-config.sh | 24 ++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/builtin/config.c b/builtin/config.c
index 6ab5a0d68f..1d5cfab8f1 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -14,6 +14,7 @@ static const char *const builtin_config_usage[] = {
 
 static char *key;
 static regex_t *key_regexp;
+static const char *value_regex;
 static regex_t *regexp;
 static int show_keys;
 static int omit_values;
@@ -298,6 +299,8 @@ static int collect_config(const char *key_, const char *value_, void *cb)
 		return 0;
 	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
 		return 0;
+	if (literal && strcmp(value_regex, (value_?value_:"")))
+		return 0;
 	if (regexp != NULL &&
 	    (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
 		return 0;
@@ -308,7 +311,7 @@ static int collect_config(const char *key_, const char *value_, void *cb)
 	return format_config(&values->items[values->nr++], key_, value_);
 }
 
-static int get_value(const char *key_, const char *regex_)
+static int get_value(const char *key_, const char *regex_, int flags)
 {
 	int ret = CONFIG_GENERIC_ERROR;
 	struct strbuf_list values = {NULL};
@@ -345,7 +348,9 @@ static int get_value(const char *key_, const char *regex_)
 		}
 	}
 
-	if (regex_) {
+	if (regex_ && (flags & CONFIG_FLAGS_LITERAL_VALUE))
+		value_regex = regex_;
+	else if (regex_) {
 		if (regex_[0] == '!') {
 			do_not_match = 1;
 			regex_++;
@@ -850,19 +855,19 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 	}
 	else if (actions == ACTION_GET) {
 		check_argc(argc, 1, 2);
-		return get_value(argv[0], argv[1]);
+		return get_value(argv[0], argv[1], flags);
 	}
 	else if (actions == ACTION_GET_ALL) {
 		do_all = 1;
 		check_argc(argc, 1, 2);
-		return get_value(argv[0], argv[1]);
+		return get_value(argv[0], argv[1], flags);
 	}
 	else if (actions == ACTION_GET_REGEXP) {
 		show_keys = 1;
 		use_key_regexp = 1;
 		do_all = 1;
 		check_argc(argc, 1, 2);
-		return get_value(argv[0], argv[1]);
+		return get_value(argv[0], argv[1], flags);
 	}
 	else if (actions == ACTION_GET_URLMATCH) {
 		check_argc(argc, 2, 2);
diff --git a/t/t1300-config.sh b/t/t1300-config.sh
index ed12b4f7a0..8531d01c7c 100755
--- a/t/t1300-config.sh
+++ b/t/t1300-config.sh
@@ -2026,4 +2026,28 @@ test_expect_success '--literal-value uses exact string matching' '
 	test_cmp_config bogus literal.test
 '
 
+test_expect_success '--get and --get-all with --literal-value' '
+	GLOB="a+b*c?d[e]f.g" &&
+	q_to_tab >.git/config <<-EOF &&
+	[literal]
+	Qtest = bogus
+	Qtest = $GLOB
+	EOF
+
+	git config --get literal.test bogus &&
+	test_must_fail git config --get literal.test "$GLOB" &&
+	git config --get --literal-value literal.test "$GLOB" &&
+	test_must_fail git config --get --literal-value literal.test non-existent &&
+
+	git config --get-all literal.test bogus &&
+	test_must_fail git config --get-all literal.test "$GLOB" &&
+	git config --get-all --literal-value literal.test "$GLOB" &&
+	test_must_fail git config --get-all --literal-value literal.test non-existent &&
+
+	git config --get-regexp literal+ bogus &&
+	test_must_fail git config  --get-regexp literal+ "$GLOB" &&
+	git config --get-regexp --literal-value literal+ "$GLOB" &&
+	test_must_fail git config --get-regexp --literal-value literal+ non-existent
+'
+
 test_done
-- 
gitgitgadget




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