Merge branch 'sg/completion-remote' into maint

Code simplification.

* sg/completion-remote:
  completion: simplify __git_remotes()
  completion: add a test for __git_remotes() helper function

contrib/completion/git-completion.bash

@@ -411,12 +411,9 @@ __git_refs_remotes ()
 
 __git_remotes ()
 {
-	local i IFS=$'\n' d="$(__gitdir)"
+	local d="$(__gitdir)"
 	test -d "$d/remotes" && ls -1 "$d/remotes"
-	for i in $(git --git-dir="$d" config --get-regexp 'remote\..*\.url' 2>/dev/null); do
-		i="${i#remote.}"
-		echo "${i/.url*/}"
-	done
+	git --git-dir="$d" remote
 }
 
 __git_list_merge_strategies ()

t/t9902-completion.sh

@@ -351,6 +351,25 @@ test_expect_success '__gitcomp_nl - doesnt fail because of invalid variable name
 	__gitcomp_nl "$invalid_variable_name"
 '
 
+test_expect_success '__git_remotes - list remotes from $GIT_DIR/remotes and from config file' '
+	cat >expect <<-EOF &&
+	remote_from_file_1
+	remote_from_file_2
+	remote_in_config_1
+	remote_in_config_2
+	EOF
+	test_when_finished "rm -rf .git/remotes" &&
+	mkdir -p .git/remotes &&
+	>.git/remotes/remote_from_file_1 &&
+	>.git/remotes/remote_from_file_2 &&
+	test_when_finished "git remote remove remote_in_config_1" &&
+	git remote add remote_in_config_1 git://remote_1 &&
+	test_when_finished "git remote remove remote_in_config_2" &&
+	git remote add remote_in_config_2 git://remote_2 &&
+	__git_remotes >actual &&
+	test_cmp expect actual
+'
+
 test_expect_success 'basic' '
 	run_completion "git " &&
 	# built-in