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Make install.db read only in mtr

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This ensures that no mtr test can change install.db after it's initial
creation as changing it while as another thread is coping it will lead to
failures in at least InnoDB and Aria recovery.

Fixed spider/bugfix.mdev_30370 that was wrongly used install.db
This commit is contained in:
Monty
2023-04-18 11:21:06 +03:00
parent 16258677b3
commit 6a0314063d
4 changed files with 40 additions and 5 deletions
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31
mysql-test/lib/My/File/Path.pm
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@ -34,7 +34,7 @@ use strict;
use Exporter;
use base "Exporter";
our @EXPORT= qw /rmtree mkpath copytree/;
our @EXPORT= qw /rmtree mkpath copytree make_readonly/;
use File::Find;
use File::Copy;
@ -184,6 +184,10 @@ sub copytree {
# Only copy plain files
next unless -f "$from_dir/$_";
copy("$from_dir/$_", "$to_dir/$_");
if (!$use_umask)
{
chmod(0666, "$to_dir/$_");
}
}
closedir(DIR);
@ -193,4 +197,29 @@ sub copytree {
}
}
sub make_readonly {
my ($dir) = @_;
die "Usage: make_readonly(<dir>])"
unless @_ == 1;
opendir(DIR, "$dir")
or croak("Can't find $dir$!");
for(readdir(DIR)) {
next if "$_" eq "." or "$_" eq "..";
if ( -d "$dir/$_" )
{
make_readonly("$dir/$_");
next;
}
# Only copy plain files
next unless -f "$dir/$_";
chmod 0444, "$dir/$_";
}
closedir(DIR);
}
1;