From: Kyotaro Horiguchi <horikyoga.ntt@gmail.com>
Date: Thu, 30 Apr 2020 14:06:51 +0900
Subject: [PATCH 1/2] Move tablespace cleanup out of pg_regress.

Tablespace directory is cleaned-up in regress/GNUmakefile for all
platforms other than Windows. For Windoiws pg_regress does that on
behalf of make, which is ugly. In addition to that, pg_regress does
the clean up twice at once. This patch moves the cleanup code out of
pg_regress into vcregress.pl, which is more sutable place.
---
 src/test/regress/pg_regress.c | 22 ----------------------
 src/tools/msvc/vcregress.pl   | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 22 deletions(-)

diff --git a/src/test/regress/pg_regress.c b/src/test/regress/pg_regress.c
index 38b2b1e8e1..c56bfaf7f5 100644
--- a/src/test/regress/pg_regress.c
+++ b/src/test/regress/pg_regress.c
@@ -491,28 +491,6 @@ convert_sourcefiles_in(const char *source_subdir, const char *dest_dir, const ch
 
 	snprintf(testtablespace, MAXPGPATH, "%s/testtablespace", outputdir);
 
-#ifdef WIN32
-
-	/*
-	 * On Windows only, clean out the test tablespace dir, or create it if it
-	 * doesn't exist.  On other platforms we expect the Makefile to take care
-	 * of that.  (We don't migrate that functionality in here because it'd be
-	 * harder to cope with platform-specific issues such as SELinux.)
-	 *
-	 * XXX it would be better if pg_regress.c had nothing at all to do with
-	 * testtablespace, and this were handled by a .BAT file or similar on
-	 * Windows.  See pgsql-hackers discussion of 2008-01-18.
-	 */
-	if (directory_exists(testtablespace))
-		if (!rmtree(testtablespace, true))
-		{
-			fprintf(stderr, _("\n%s: could not remove test tablespace \"%s\"\n"),
-					progname, testtablespace);
-			exit(2);
-		}
-	make_directory(testtablespace);
-#endif
-
 	/* finally loop on each file and do the replacement */
 	for (name = names; *name; name++)
 	{
diff --git a/src/tools/msvc/vcregress.pl b/src/tools/msvc/vcregress.pl
index f95f7a5c7a..74d37a31de 100644
--- a/src/tools/msvc/vcregress.pl
+++ b/src/tools/msvc/vcregress.pl
@@ -104,6 +104,7 @@ exit 0;
 sub installcheck_internal
 {
 	my ($schedule, @EXTRA_REGRESS_OPTS) = @_;
+
 	my @args = (
 		"../../../$Config/pg_regress/pg_regress",
 		"--dlpath=.",
@@ -114,6 +115,7 @@ sub installcheck_internal
 		"--no-locale");
 	push(@args, $maxconn) if $maxconn;
 	push(@args, @EXTRA_REGRESS_OPTS);
+	CleanupTablespaceDirectory();
 	system(@args);
 	my $status = $? >> 8;
 	exit $status if $status;
@@ -143,6 +145,7 @@ sub check
 		"--temp-instance=./tmp_check");
 	push(@args, $maxconn)     if $maxconn;
 	push(@args, $temp_config) if $temp_config;
+	CleanupTablespaceDirectory();
 	system(@args);
 	my $status = $? >> 8;
 	exit $status if $status;
@@ -178,6 +181,7 @@ sub ecpgcheck
 sub isolationcheck
 {
 	chdir "../isolation";
+	CleanupTablespaceDirectory();
 	copy("../../../$Config/isolationtester/isolationtester.exe",
 		"../../../$Config/pg_isolation_regress");
 	my @args = (
@@ -382,6 +386,7 @@ sub plcheck
 			"$topdir/$Config/pg_regress/pg_regress",
 			"--bindir=$topdir/$Config/psql",
 			"--dbname=pl_regression", @lang_args, @tests);
+		CleanupTablespaceDirectory();
 		system(@args);
 		my $status = $? >> 8;
 		exit $status if $status;
@@ -439,6 +444,7 @@ sub subdircheck
 
 	print "============================================================\n";
 	print "Checking $module\n";
+	CleanupTablespaceDirectory();
 	my @args = (
 		"$topdir/$Config/pg_regress/pg_regress",
 		"--bindir=${topdir}/${Config}/psql",
@@ -741,6 +747,14 @@ sub InstallTemp
 	return;
 }
 
+sub CleanupTablespaceDirectory
+{
+	my $tablespace = 'testtablespace';
+
+	rmtree($tablespace) if (-e $tablespace);
+	mkdir($tablespace);
+}
+
 sub usage
 {
 	print STDERR
-- 
2.18.2


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