git-remote rm: add tests and minor fix-ups

This fixes "git remote rm" which always exited with a failure,
corrects indentation, and adds tests.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-remote.perl

@@ -317,7 +317,7 @@ sub update_remote {
 }
 
 sub rm_remote {
-    my ($name) = @_;
+	my ($name) = @_;
 	if (!exists $remote->{$name}) {
 		print STDERR "No such remote $name\n";
 		return;
@@ -336,7 +336,7 @@ sub rm_remote {
 	};
 
 
-    my @refs = $git->command('for-each-ref',
+	my @refs = $git->command('for-each-ref',
 		'--format=%(refname) %(objectname)', "refs/remotes/$name");
 	for (@refs) {
 		($ref, $object) = split;
@@ -453,11 +453,9 @@ sub add_usage {
 elsif ($ARGV[0] eq 'rm') {
 	if (@ARGV <= 1) {
 		print STDERR "Usage: git remote rm <remote>\n";
+		exit(1);
 	}
-    else {
-        rm_remote($ARGV[1]);
-	}
-    exit(1);
+	rm_remote($ARGV[1]);
 }
 else {
 	print STDERR "Usage: git remote\n";

t/t5505-remote.sh

@@ -0,0 +1,100 @@
+#!/bin/sh
+
+test_description='git remote porcelain-ish'
+
+. ./test-lib.sh
+
+GIT_CONFIG=.git/config
+export GIT_CONFIG
+
+setup_repository () {
+	mkdir "$1" && (
+	cd "$1" &&
+	git init &&
+	>file &&
+	git add file &&
+	git commit -m "Initial" &&
+	git checkout -b side &&
+	>elif &&
+	git add elif &&
+	git commit -m "Second" &&
+	git checkout master
+	)
+}
+
+tokens_match () {
+	echo "$1" | tr ' ' '\012' | sort | sed -e '/^$/d' >expect &&
+	echo "$2" | tr ' ' '\012' | sort | sed -e '/^$/d' >actual &&
+	diff -u expect actual
+}
+
+check_remote_track () {
+	actual=$(git remote show "$1" | sed -n -e '$p') &&
+	shift &&
+	tokens_match "$*" "$actual"
+}
+
+check_tracking_branch () {
+	f="" &&
+	r=$(git for-each-ref "--format=%(refname)" |
+		sed -ne "s|^refs/remotes/$1/||p") &&
+	shift &&
+	tokens_match "$*" "$r"
+}
+
+test_expect_success setup '
+
+	setup_repository one &&
+	setup_repository two &&
+	(
+		cd two && git branch another
+	) &&
+	git clone one test
+
+'
+
+test_expect_success 'remote information for the origin' '
+(
+	cd test &&
+	tokens_match origin "$(git remote)" &&
+	check_remote_track origin master side &&
+	check_tracking_branch origin HEAD master side
+)
+'
+
+test_expect_success 'add another remote' '
+(
+	cd test &&
+	git remote add -f second ../two &&
+	tokens_match "origin second" "$(git remote)" &&
+	check_remote_track origin master side &&
+	check_remote_track second master side another &&
+	check_tracking_branch second master side another &&
+	git for-each-ref "--format=%(refname)" refs/remotes |
+	sed -e "/^refs\/remotes\/origin\//d" \
+	    -e "/^refs\/remotes\/second\//d" >actual &&
+	>expect &&
+	diff -u expect actual
+)
+'
+
+test_expect_success 'remove remote' '
+(
+	cd test &&
+	git remote rm second
+)
+'
+
+test_expect_success 'remove remote' '
+(
+	cd test &&
+	tokens_match origin "$(git remote)" &&
+	check_remote_track origin master side &&
+	git for-each-ref "--format=%(refname)" refs/remotes |
+	sed -e "/^refs\/remotes\/origin\//d" >actual &&
+	>expect &&
+	diff -u expect actual
+)
+'
+
+test_done