improve environment setup for guix users

run-svitak.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+BOOK_PATH=""
+
+mkdir -p /tmp/guix-dbus
+echo "00000000000000000000000000000000" > /tmp/guix-dbus/machine-id
+
+guix shell -C -N --emulate-fhs \
+  --share=$HOME/.cabal=$HOME/.cabal \
+  --share=$PWD=$PWD \
+  --share="$HOME/3-I/books"="$HOME/3-I/books" \
+  --share="$XDG_RUNTIME_DIR"="$XDG_RUNTIME_DIR" \
+  --share="$XDG_RUNTIME_DIR/bus"="$XDG_RUNTIME_DIR/bus" \
+  --share=/tmp/guix-dbus/machine-id=/etc/machine-id \
+  --share=/dev/dri \
+  --share=/sys \
+  --preserve='^WAYLAND_DISPLAY$' \
+  --preserve='^XDG_RUNTIME_DIR$' \
+  --preserve='^DBUS_SESSION_BUS_ADDRESS$' \
+  -D -f guix.scm -- \
+  bash -c "export TEST=2; cabal run svitak -- \"$BOOK_PATH\""