nixpkgs/pkgs/build-support/release/functions.sh

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findTarball() {
local suffix i
if [ -d "$1/tarballs/" ]; then
for suffix in tar.gz tgz tar.bz2 tbz2 tar.xz tar.lzma; do
for i in $1/tarballs/*.$suffix; do echo $i; break; done
done | sort | head -1
return
else
echo "$1"
return
fi
}
canonicalizeJarManifest() {
local input=$1
# http://docs.oracle.com/javase/7/docs/technotes/guides/jar/jar.html#Notes_on_Manifest_and_Signature_Files
(head -n 1 $input && tail -n +2 $input | sort | grep -v '^\s*$') > $input-tmp
mv $input-tmp $input
}
# Post-process a jar file to contain canonical timestamps and metadata ordering
canonicalizeJar() {
local input=$1
local outer=$(pwd)
unzip -qq $input -d $input-tmp
canonicalizeJarManifest $input-tmp/META-INF/MANIFEST.MF
# Set all timestamps to Jan 1 1980, which is the earliest date the zip format supports...
find $input-tmp -exec touch -t 198001010000.00 {} +
rm $input
pushd $input-tmp
zip -q -r -o -X $outer/tmp-out.jar . 2> /dev/null
popd
rm -rf $input-tmp
mv $outer/tmp-out.jar $input
}
propagateImageName() {
mkdir -p $out/nix-support
cat "$diskImage"/nix-support/full-name > $out/nix-support/full-name
}