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nixpkgs/pkgs/games/keen4/builder.sh
Victor Engmark 6f70a225f4 keen4: Fail script if variables are undefined
ShellCheck SC2154.
2021-11-19 23:57:52 +13:00

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#!/usr/bin/env bash
set -o nounset
# shellcheck source=/dev/null
source "${stdenv}/setup"
mkdir -p "${out}/share/keen4"
unzip -j "$dist" -d "${out}/share/keen4"
mkdir -p "${out}/bin"
cat > "${out}/bin/keen4" <<EOF
#! $SHELL -e
if test -z "\$HOME"; then
echo "HOME directory not set"
exit 1
fi
# Game wants to write in the current directory, but of course we can't
# let it write in the Nix store. So create symlinks to the game files
# in ~/.keen4 and execute game from there.
mkdir -p \$HOME/.keen4
cd \$HOME/.keen4
ln -sf "${out}/share/keen4/"* .
"${dosbox}/bin/dosbox" ./KEEN4E.EXE -fullscreen -exit || true
# Cleanup the symlinks.
for i in *; do
if test -L "\$i"; then
rm "\$i"
fi
done
EOF
chmod +x "${out}/bin/keen4"