depot/third_party/nixpkgs/pkgs/development/tools/build-managers/gradle/patching.sh

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extractVersion() {
local jar version
local prefix="$1"
shift
local candidates="$@"
jar="$(basename -a $candidates | sort | head -n1)"
version="${jar#$prefix-}"
echo "${version%.jar}"
}
autoPatchelfInJar() {
local file="$1" rpath="$2"
local work
work="$(mktemp -dt patching.XXXXXXXXXX)"
pushd "$work"
jar xf "$file"
rm "$file"
autoPatchelf -- .
jar cf "$file" .
popd
}