nixpkgs/pkgs/build-support/nuke-references/nuke-refs.sh

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#! @shell@
fixupHooks=()
if [ -e @out@/nix-support/setup-hooks.sh ]; then
source @out@/nix-support/setup-hooks.sh
fi
excludes=""
while getopts e: o; do
case "$o" in
e) storeId=$(echo "$OPTARG" | @perl@/bin/perl -ne "print \"\$1\" if m|^\Q@storeDir@\E/([a-z0-9]{32})-.*|")
if [ -z "$storeId" ]; then
echo "-e argument must be a Nix store path"
exit 1
fi
excludes="$excludes(?!$storeId)"
;;
esac
done
shift $(($OPTIND-1))
for i in "$@"; do
if test ! -L "$i" -a -f "$i"; then
cat "$i" | @perl@/bin/perl -pe "s|\Q@storeDir@\E/$excludes[a-z0-9]{32}-|@storeDir@/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-|g" > "$i.tmp"
if test -x "$i"; then chmod +x "$i.tmp"; fi
mv "$i.tmp" "$i"
for hook in "${fixupHooks[@]}"; do
eval "$hook" "$i"
done
fi
done