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btrbk: fix path sanitizer 

Sanitize "/././" -> "/"
pull/409/head
Axel Burri 2021-07-24 14:33:32 +02:00
parent 2616028326
commit 2824668c0e
1 changed files with 2 additions and 3 deletions
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@ -3899,8 +3899,7 @@ sub check_file($$;@)
return undef;
}
if($sanitize) {
$file =~ s/\/+/\//g; # sanitize multiple slash
$file =~ s/\/\.\//\//g; # sanitize "/./" -> "/"
$file =~ s/\/(\.?\/)+/\//g; # sanitize "//", "/./" -> "/"
$file =~ s/\/\.$/\//; # sanitize trailing "/." -> "/"
$file =~ s/\/$// unless($file eq '/'); # remove trailing slash
}