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set -euo pipefail
# Unpack the bootstrap tools tarball.
echo Unpacking the bootstrap tools...
$mkdir $out
$bzip2 -d < $tarball | (cd $out && $cpio -i)
export PATH=$out/bin
# Fix codesign wrapper paths
sed -i \
-e "1c\
#!$out/bin/bash" \
-e "s|[^( ]*\bsigtool\b|$out/bin/sigtool|g" \
$out/bin/codesign
updateInstallName() {
local path="$1"
cp "$path" "$path.new"
install_name_tool -id "$path" "$path.new"
# workaround for https://github.com/NixOS/nixpkgs/issues/294518
# libc++.1.0.dylib contains wrong LC_RPATH
if [[ ${path} == *libc++.1.0.dylib ]]; then
install_name_tool -add_rpath @loader_path/.. "${path}.new"
fi
codesign -f -i "$(basename "$path")" -s - "$path.new"
mv -f "$path.new" "$path"
}
find $out
ln -s bash $out/bin/sh
ln -s bzip2 $out/bin/bunzip2
find $out/lib -type f -name '*.dylib' -print0 | while IFS= read -r -d $'\0' lib; do
updateInstallName "$lib"
done
# Provide a gunzip script.
cat > $out/bin/gunzip <<EOF
#!$out/bin/sh
exec $out/bin/gzip -d "\$@"
EOF
chmod +x $out/bin/gunzip
# Provide fgrep/egrep.
echo "#! $out/bin/sh" > $out/bin/egrep
echo "exec $out/bin/grep -E \"\$@\"" >> $out/bin/egrep
echo "#! $out/bin/sh" > $out/bin/fgrep
echo "exec $out/bin/grep -F \"\$@\"" >> $out/bin/fgrep
cat >$out/bin/dsymutil << EOF
#!$out/bin/sh
EOF
chmod +x $out/bin/egrep $out/bin/fgrep $out/bin/dsymutil
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