stockholm/tv/5pkgs/haskell/xmonad-tv/shell.nix

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{ compiler ? "default" }: let
stockholm = import <stockholm>;
inherit (stockholm.systems.${lib.krops.getHostName}) config pkgs;
inherit (stockholm) lib;
haskellPackages =
if compiler == "default"
then pkgs.haskellPackages
else pkgs.haskell.packages.${compiler};
xmonadDrv = haskellPackages.callPackage (import ./.) {};
in
lib.overrideDerivation xmonadDrv.env (oldAttrs: {
shellHook = ''
pkg_name=${lib.shell.escape (lib.baseNameOf (toString ./.))}
WORKDIR=${toString ./src}
CACHEDIR=$HOME/tmp/$pkg_name
HISTFILE=$CACHEDIR/bash_history
mkdir -p "$CACHEDIR"
config_XMONAD_CACHE_DIR=${lib.shell.escape
config.systemd.services.xmonad.environment.XMONAD_CACHE_DIR
}
xmonad=$CACHEDIR/xmonad-${lib.currentSystem}
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xmonad_build() {(
set -efu
cd "$WORKDIR"
options=$(
${pkgs.cabal-read}/bin/ghc-options "$WORKDIR/$pkg_name.cabal" xmonad
)
ghc $options \
-odir "$CACHEDIR" \
-hidir "$CACHEDIR" \
-o "$xmonad" \
main.hs
)}
xmonad_restart() {(
set -efu
cd "$WORKDIR"
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if systemctl --quiet is-active xmonad; then
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sudo systemctl stop xmonad
cp -b "$config_XMONAD_CACHE_DIR"/xmonad.state "$CACHEDIR"/
echo "xmonad.state: $(cat "$CACHEDIR"/xmonad.state)"
else
"$xmonad" --shutdown || :
fi
"$xmonad" &
echo xmonad pid: $! >&2
)}
xmonad_yield() {(
set -efu
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if ! systemctl --quiet is-active xmonad; then
"$xmonad" --shutdown
cp -b "$CACHEDIR"/xmonad.state "$config_XMONAD_CACHE_DIR"/
sudo systemctl start xmonad
else
echo "xmonad.service is already running" >&2
exit -1
fi
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)}
export PATH=${config.systemd.services.xmonad.path}:$PATH
export SHELL=/run/current-system/sw/bin/bash
export XMONAD_CACHE_DIR="$CACHEDIR"
export XMONAD_DATA_DIR="$CACHEDIR"
export XMONAD_CONFIG_DIR=/var/empty
unset XMONAD_STARTUP_HOOK
cd "$WORKDIR"
'';
})