Merge branch 'jk/config-get-urlmatch' into maint

"git config --get-urlmatch", unlike other variants of the "git
config --get" family, did not signal error with its exit status
when there was no matching configuration.

* jk/config-get-urlmatch:
  Documentation/git-config: fix --get-all description
  Documentation/git-config: use bulleted list for exit codes
  config: fail if --get-urlmatch finds no value

Author: gitster

Documentation/git-config.txt

@@ -58,13 +58,13 @@ that location (you can say '--local' but that is the default).
 This command will fail with non-zero status upon error.  Some exit
 codes are:
 
-. The config file is invalid (ret=3),
-. can not write to the config file (ret=4),
-. no section or name was provided (ret=2),
-. the section or key is invalid (ret=1),
-. you try to unset an option which does not exist (ret=5),
-. you try to unset/set an option for which multiple lines match (ret=5), or
-. you try to use an invalid regexp (ret=6).
+- The config file is invalid (ret=3),
+- can not write to the config file (ret=4),
+- no section or name was provided (ret=2),
+- the section or key is invalid (ret=1),
+- you try to unset an option which does not exist (ret=5),
+- you try to unset/set an option for which multiple lines match (ret=5), or
+- you try to use an invalid regexp (ret=6).
 
 On success, the command returns the exit code 0.
 
@@ -86,8 +86,7 @@ OPTIONS
 	found and the last value if multiple key values were found.
 
 --get-all::
-	Like get, but does not fail if the number of values for the key
-	is not exactly one.
+	Like get, but returns all values for a multi-valued key.
 
 --get-regexp::
 	Like --get-all, but interprets the name as a regular expression and
@@ -102,7 +101,7 @@ OPTIONS
 	given URL is returned (if no such key exists, the value for
 	section.key is used as a fallback).  When given just the
 	section as name, do so for all the keys in the section and
-	list them.
+	list them.  Returns error code 1 if no value is found.
 
 --global::
 	For writing options: write to global `~/.gitconfig` file

builtin/config.c

@@ -417,6 +417,7 @@ static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
 
 static int get_urlmatch(const char *var, const char *url)
 {
+	int ret;
 	char *section_tail;
 	struct string_list_item *item;
 	struct urlmatch_config config = { STRING_LIST_INIT_DUP };
@@ -443,6 +444,8 @@ static int get_urlmatch(const char *var, const char *url)
 	git_config_with_options(urlmatch_config_entry, &config,
 				&given_config_source, respect_includes);
 
+	ret = !values.nr;
+
 	for_each_string_list_item(item, &values) {
 		struct urlmatch_current_candidate_value *matched = item->util;
 		struct strbuf buf = STRBUF_INIT;
@@ -459,7 +462,7 @@ static int get_urlmatch(const char *var, const char *url)
 	free(config.url.url);
 
 	free((void *)config.section);
-	return 0;
+	return ret;
 }
 
 static char *default_user_config(void)

t/t1300-repo-config.sh

@@ -1144,6 +1144,9 @@ test_expect_success 'urlmatch' '
 		cookieFile = /tmp/cookie.txt
 	EOF
 
+	test_expect_code 1 git config --bool --get-urlmatch doesnt.exist https://good.example.com >actual &&
+	test_must_be_empty actual &&
+
 	echo true >expect &&
 	git config --bool --get-urlmatch http.SSLverify https://good.example.com >actual &&
 	test_cmp expect actual &&