JakeHillion/nixpkgs
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Make ant-build canonicalize the jars it produces so that we produce byte-for-byte identical jars (they normally contain timestamps and nondeterministic ordering of metadata lines)

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This commit is contained in:
Daniel Peebles 2014-08-14 01:20:44 -04:00
parent f65202666c
commit a570251187
2 changed files with 29 additions and 1 deletions
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7
pkgs/build-support/release/ant-build.nix
View File

@ -11,6 +11,8 @@
, ant ? pkgs.ant
, jre ? pkgs.openjdk
, hydraAntLogger ? pkgs.hydraAntLogger
, zip ? pkgs.zip
, unzip ? pkgs.unzip
, ... } @ args:
let
@ -45,7 +47,10 @@ stdenv.mkDerivation (
'' else stdenv.lib.concatMapStrings (j: ''
cp -v ${j} $out/share/java
'') jars }
. ${./functions.sh}
for j in $out/share/java/*.jar ; do
canonicalizeJar $j
echo file jar $j >> $out/nix-support/hydra-build-products
done
'';
@ -95,7 +100,7 @@ stdenv.mkDerivation (
{
name = name + (if src ? version then "-" + src.version else "");
buildInputs = [ant jre] ++ stdenv.lib.optional (args ? buildInputs) args.buildInputs ;
buildInputs = [ant jre zip unzip] ++ stdenv.lib.optional (args ? buildInputs) args.buildInputs ;
postHook = ''
mkdir -p $out/nix-support

23
pkgs/build-support/release/functions.sh
View File

@ -8,6 +8,29 @@ findTarballs() {
echo "$1"
}
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