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