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Code Issues Releases Activity

Fix delta restore failing when a linked file was missing.

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This commit is contained in:
David Steele 2018-05-02 12:06:12 -04:00
parent 9d9fad88a2
commit 6a01db2b32
2 changed files with 15 additions and 5 deletions
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4
doc/xml/release.xml
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@ -32,6 +32,10 @@
<p>Fix <br-option>archive-copy</br-option> throwing <quote>path not found</quote> error for incr/diff backups.</p>
</release-item>
<release-item>
<p>Fix delta restore failing when a linked file was missing.</p>
</release-item>
<release-item>
<release-item-contributor-list>
<release-item-ideator id="adams.clinton"/>

16
lib/pgBackRest/RestoreFile.pm
View File

@ -9,6 +9,7 @@ use Carp qw(confess);
use Exporter qw(import);
our @EXPORT = qw();
use Fcntl qw(:mode);
use File::Basename qw(dirname);
use File::stat qw(lstat);
@ -77,6 +78,7 @@ sub restoreFile
my $oStorageDb = storageDb();
my $bCopy = true;
# Zero file if requested
if ($bZero)
{
$bCopy = false;
@ -90,16 +92,20 @@ sub restoreFile
$oDestinationFileIo->close();
}
elsif ($oStorageDb->exists($strDbFile))
# Perform delta if requested
elsif ($bDelta)
{
# Perform delta if requested
if ($bDelta)
my $oStat = $oStorageDb->info($strDbFile, {bIgnoreMissing => true});
# Do the delta if the file exists and is not a link or the link destination exists
if (defined($oStat) &&
(!S_ISLNK($oStat->mode) ||
$oStorageDb->exists(
$oStorageDb->pathAbsolute(dirname($strDbFile), $oStorageDb->{oDriver}->linkDestination($strDbFile)))))
{
# If force then use size/timestamp delta
if ($bForce)
{
my $oStat = lstat($strDbFile);
# Make sure that timestamp/size are equal and that timestamp is before the copy start time of the backup
if (defined($oStat) && $oStat->size == $lSize &&
$oStat->mtime == $lModificationTime && $oStat->mtime < $lCopyTimeStart)