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nixpkgs/pkgs/build-support/setup-hooks/strip-java-archives.sh

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# This setup hook makes the fixup phase to repack all java archives in a
# deterministic fashion. The most important change being done is the resetting
# of the modification times of the archive entries
fixupOutputHooks+=('stripJavaArchivesIn $prefix')
stripJavaArchivesIn() {
local dir="$1"
echo "stripping java archives in $dir"
find $dir -type f -regextype posix-egrep -regex ".*\.(jar|war|hpi|apk)$" -print0 |
while IFS= read -rd '' f; do
echo "stripping java archive $f"
strip-nondeterminism --type jar "$f"
done
}