Clean up intermetiate state in pg_basebackup tests

These tests accummulated almost a gigabyte of data during the test which
was then removed at the end. Instead, remove output that's no longer
needed between the individual tests, to keep the total disk usage down
lower.

Author: Michael Banck

src/bin/pg_basebackup/t/010_pg_basebackup.pl

@@ -3,6 +3,7 @@ use warnings;
 use Cwd;
 use Config;
 use File::Basename qw(basename dirname);
+use File::Path qw(rmtree);
 use PostgresNode;
 use TestLib;
 use Test::More tests => 104;
@@ -135,6 +136,7 @@ foreach my $filename (@tempRelationFiles)
 # Make sure existing backup_label was ignored.
 isnt(slurp_file("$tempdir/backup/backup_label"),
 	'DONOTCOPY', 'existing backup_label not copied');
+rmtree("$tempdir/backup");
 
 $node->command_ok(
 	[   'pg_basebackup', '-D', "$tempdir/backup2", '--waldir',
@@ -142,10 +144,13 @@ $node->command_ok(
 	'separate xlog directory');
 ok(-f "$tempdir/backup2/PG_VERSION", 'backup was created');
 ok(-d "$tempdir/xlog2/",             'xlog directory was created');
+rmtree("$tempdir/backup2");
+rmtree("$tempdir/xlog2");
 
 $node->command_ok([ 'pg_basebackup', '-D', "$tempdir/tarbackup", '-Ft' ],
 	'tar format');
 ok(-f "$tempdir/tarbackup/base.tar", 'backup tar was created');
+rmtree("$tempdir/tarbackup");
 
 $node->command_fails(
 	[ 'pg_basebackup', '-D', "$tempdir/backup_foo", '-Fp', "-T=/foo" ],
@@ -212,6 +217,7 @@ SKIP:
 	ok(-f "$tempdir/tarbackup2/base.tar", 'backup tar was created');
 	my @tblspc_tars = glob "$tempdir/tarbackup2/[0-9]*.tar";
 	is(scalar(@tblspc_tars), 1, 'one tablespace tar was created');
+	rmtree("$tempdir/tarbackup2");
 
 	# Create an unlogged table to test that forks other than init are not copied.
 	$node->safe_psql('postgres',
@@ -281,6 +287,7 @@ SKIP:
 
 	ok( -d "$tempdir/backup1/pg_replslot",
 		'pg_replslot symlink copied as directory');
+	rmtree("$tempdir/backup1");
 
 	mkdir "$tempdir/tbl=spc2";
 	$node->safe_psql('postgres', "DROP TABLE test1;");
@@ -295,6 +302,7 @@ SKIP:
 	ok(-d "$tempdir/tbackup/tbl=spc2",
 		'tablespace with = sign was relocated');
 	$node->safe_psql('postgres', "DROP TABLESPACE tblspc2;");
+	rmtree("$tempdir/backup3");
 
 	mkdir "$tempdir/$superlongname";
 	$node->safe_psql('postgres',
@@ -303,12 +311,14 @@ SKIP:
 		[ 'pg_basebackup', '-D', "$tempdir/tarbackup_l3", '-Ft' ],
 		'pg_basebackup tar with long symlink target');
 	$node->safe_psql('postgres', "DROP TABLESPACE tblspc3;");
+	rmtree("$tempdir/tarbackup_l3");
 }
 
 $node->command_ok([ 'pg_basebackup', '-D', "$tempdir/backupR", '-R' ],
 	'pg_basebackup -R runs');
 ok(-f "$tempdir/backupR/recovery.conf", 'recovery.conf was created');
 my $recovery_conf = slurp_file "$tempdir/backupR/recovery.conf";
+rmtree("$tempdir/backupR");
 
 my $port = $node->port;
 like(
@@ -325,26 +335,31 @@ $node->command_ok(
 	'pg_basebackup runs in default xlog mode');
 ok(grep(/^[0-9A-F]{24}$/, slurp_dir("$tempdir/backupxd/pg_wal")),
 	'WAL files copied');
+rmtree("$tempdir/backupxd");
 
 $node->command_ok(
 	[ 'pg_basebackup', '-D', "$tempdir/backupxf", '-X', 'fetch' ],
 	'pg_basebackup -X fetch runs');
 ok(grep(/^[0-9A-F]{24}$/, slurp_dir("$tempdir/backupxf/pg_wal")),
 	'WAL files copied');
+rmtree("$tempdir/backupxf");
 $node->command_ok(
 	[ 'pg_basebackup', '-D', "$tempdir/backupxs", '-X', 'stream' ],
 	'pg_basebackup -X stream runs');
 ok(grep(/^[0-9A-F]{24}$/, slurp_dir("$tempdir/backupxs/pg_wal")),
 	'WAL files copied');
+rmtree("$tempdir/backupxs");
 $node->command_ok(
 	[ 'pg_basebackup', '-D', "$tempdir/backupxst", '-X', 'stream', '-Ft' ],
 	'pg_basebackup -X stream runs in tar mode');
 ok(-f "$tempdir/backupxst/pg_wal.tar", "tar file was created");
+rmtree("$tempdir/backupxst");
 $node->command_ok(
 	[   'pg_basebackup',         '-D',
 		"$tempdir/backupnoslot", '-X',
 		'stream',                '--no-slot' ],
 	'pg_basebackup -X stream runs with --no-slot');
+rmtree("$tempdir/backupnoslot");
 
 $node->command_fails(
 	[   'pg_basebackup',             '-D',
@@ -364,6 +379,7 @@ $node->command_fails(
 $node->command_ok(
 	[   'pg_basebackup', '-D', "$tempdir/backupxs_slot", '-C', '-S', 'slot0' ],
 	'pg_basebackup -C runs');
+rmtree("$tempdir/backupxs_slot");
 
 is($node->safe_psql('postgres', q{SELECT slot_name FROM pg_replication_slots WHERE slot_name = 'slot0'}),
    'slot0',
@@ -393,6 +409,7 @@ $lsn = $node->safe_psql('postgres',
 	q{SELECT restart_lsn FROM pg_replication_slots WHERE slot_name = 'slot1'}
 );
 like($lsn, qr!^0/[0-9A-Z]{7,8}$!, 'restart LSN of slot has advanced');
+rmtree("$tempdir/backupxs_sl");
 
 $node->command_ok(
 	[   'pg_basebackup', '-D', "$tempdir/backupxs_sl_R", '-X',
@@ -405,6 +422,7 @@ like(
 
 my $checksum = $node->safe_psql('postgres', 'SHOW data_checksums;');
 is($checksum, 'on', 'checksums are enabled');
+rmtree("$tempdir/backupxs_sl_R");
 
 # create tables to corrupt and get their relfilenodes
 my $file_corrupt1 = $node->safe_psql('postgres',
@@ -432,6 +450,7 @@ $node->command_checks_all([ 'pg_basebackup', '-D', "$tempdir/backup_corrupt"],
 	[qr/^WARNING.*checksum verification failed/s],
 	'pg_basebackup reports checksum mismatch'
 );
+rmtree("$tempdir/backup_corrupt");
 
 # induce further corruption in 5 more blocks
 system_or_bail 'pg_ctl', '-D', $pgdata, 'stop';
@@ -450,6 +469,7 @@ $node->command_checks_all([ 'pg_basebackup', '-D', "$tempdir/backup_corrupt2"],
         [qr/^WARNING.*further.*failures.*will.not.be.reported/s],
         'pg_basebackup does not report more than 5 checksum mismatches'
 );
+rmtree("$tempdir/backup_corrupt2");
 
 # induce corruption in a second file
 system_or_bail 'pg_ctl', '-D', $pgdata, 'stop';
@@ -465,11 +485,13 @@ $node->command_checks_all([ 'pg_basebackup', '-D', "$tempdir/backup_corrupt3"],
         [qr/^WARNING.*7 total checksum verification failures/s],
         'pg_basebackup correctly report the total number of checksum mismatches'
 );
+rmtree("$tempdir/backup_corrupt3");
 
 # do not verify checksums, should return ok
 $node->command_ok(
 	[   'pg_basebackup', '-D', "$tempdir/backup_corrupt4", '-k' ],
 	'pg_basebackup with -k does not report checksum mismatch');
+rmtree("$tempdir/backup_corrupt4");
 
 $node->safe_psql('postgres', "DROP TABLE corrupt1;");
 $node->safe_psql('postgres', "DROP TABLE corrupt2;");