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Improve pg_basebackup long file name test Windows robustness

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Creation of a file with a very long name can create problems on Windows
due to its file path limits. Work around that by creating the file via a
symlink with a shorter name.

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Backpatch to all live branches
This commit is contained in:
Andrew Dunstan 2023-07-03 10:06:26 -04:00
parent c8987ea90c
commit 83ed4de20f
1 changed files with 6 additions and 2 deletions
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8
src/bin/pg_basebackup/t/010_pg_basebackup.pl
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@ -203,8 +203,12 @@ $node->command_fails(
'-T with invalid format fails'); '-T with invalid format fails');
# Tar format doesn't support filenames longer than 100 bytes. # Tar format doesn't support filenames longer than 100 bytes.
# Create the test file via a short name directory so it doesn't blow the
# Windows path limit.
my $lftmp = PostgreSQL::Test::Utils::tempdir_short;
dir_symlink "$pgdata", "$lftmp/pgdata";
my $superlongname = "superlongname_" . ("x" x 100); my $superlongname = "superlongname_" . ("x" x 100);
my $superlongpath = "$pgdata/$superlongname"; my $superlongpath = "$lftmp/pgdata/$superlongname";
open my $file, '>', "$superlongpath" open my $file, '>', "$superlongpath"
or die "unable to create file $superlongpath"; or die "unable to create file $superlongpath";
@ -212,7 +216,7 @@ close $file;
$node->command_fails( $node->command_fails(
[ 'pg_basebackup', '-D', "$tempdir/tarbackup_l1", '-Ft' ], [ 'pg_basebackup', '-D', "$tempdir/tarbackup_l1", '-Ft' ],
'pg_basebackup tar with long name fails'); 'pg_basebackup tar with long name fails');
unlink "$pgdata/$superlongname"; unlink "$superlongpath";
# The following tests are for symlinks. # The following tests are for symlinks.