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Check for errors when compressing NARs

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Otherwise, an error (like disk full) will cause a truncated NAR file
to be uploaded to the binary cache.
This commit is contained in:
Eelco Dolstra 2015-10-06 23:13:49 +02:00
parent e4b04c877f
commit 97b39b07dc
1 changed files with 4 additions and 1 deletions
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5
mirror-channel.pl
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@ -59,7 +59,9 @@ my $bucket = $s3->bucket($bucketName) or die;
# Fetch the manifest.
system("$curl '$srcChannelURL/MANIFEST' > $dstChannelPath/MANIFEST") == 0 or die;
unless (-e "$dstChannelPath/MANIFEST") {
system("$curl '$srcChannelURL/MANIFEST' > $dstChannelPath/MANIFEST") == 0 or die;
}
if (defined $nixexprsURL) {
@ -144,6 +146,7 @@ sub mirrorStorePath {
# Verify that $storePath hasn't been corrupted and compress it at the same time.
$ext = "xz";
my $narHash = `bash -c 'exec 4>&1; nix-store --dump $storePath | tee >(nix-hash --type sha256 --base32 --flat /dev/stdin >&4) | xz -7 > $dstFileTmp'`;
die "unable to compress $storePath to $dstFileTmp\n" if $? != 0;
chomp $narHash;
die "hash mismatch in `$storePath'" if "sha256:$narHash" ne $nar->{narHash};
} else {