Merge branch 'CamelCased-aliases'

This topic branch fixes a regression introduced with Git v2.13.3, where
CamelCased aliases no longer resolved correctly all of a sudden.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

alias.c

@@ -11,7 +11,7 @@ static int config_alias_cb(const char *key, const char *value, void *d)
 	struct config_alias_data *data = d;
 	const char *p;
 
-	if (skip_prefix(key, "alias.", &p) && !strcmp(p, data->alias))
+	if (skip_prefix(key, "alias.", &p) && !strcasecmp(p, data->alias))
 		return git_config_string((const char **)&data->v, key, value);
 
 	return 0;

t/t1300-repo-config.sh

@@ -1075,6 +1075,13 @@ test_expect_success 'git -c works with aliases of builtins' '
 	test_cmp expect actual
 '
 
+test_expect_success 'aliases can be CamelCased' '
+	test_config alias.CamelCased "rev-parse HEAD" &&
+	git CamelCased >out &&
+	git rev-parse HEAD >expect &&
+	test_cmp expect out
+'
+
 test_expect_success 'git -c does not split values on equals' '
 	echo "value with = in it" >expect &&
 	git -c core.foo="value with = in it" config core.foo >actual &&