improve environment setup for guix users

guix.scm

@@ -0,0 +1,56 @@
+(use-modules (guix packages)
+             (guix download)
+             (guix build-system trivial)
+             ((guix licenses) #:prefix license:)
+             (gnu packages haskell)
+             (gnu packages haskell-xyz)
+	     (gnu packages haskell-apps)
+             (gnu packages pkg-config)
+             (gnu packages commencement)
+             (gnu packages gtk)
+             (gnu packages glib)
+             (gnu packages compression)
+             (gnu packages base)
+             (gnu packages linux)
+             (gnu packages webkit)
+             (gnu packages build-tools)
+	     (gnu packages gnome)
+	     (gnu packages base)
+	     (gnu packages bash))
+
+(package
+  (name "svitak-dev-env")
+  (version "0.1")
+  (source #f)
+  (build-system trivial-build-system)
+  (native-search-paths
+   (list (search-path-specification
+          (variable "PATH")
+          (files '("bin")))
+         (search-path-specification
+          (variable "PKG_CONFIG_PATH")
+          (files '("lib/pkgconfig" "share/pkgconfig")))
+         (search-path-specification
+          (variable "LD_LIBRARY_PATH")
+          (files '("lib")))))
+  (native-inputs
+   (list bash-minimal
+         coreutils
+         ghc-9.2
+         cabal-install
+         pkg-config
+         gcc-toolchain
+         gobject-introspection
+         cairo
+         pango
+         gtk+
+         webkitgtk
+         libsoup
+         glib
+         zlib
+         gnu-make
+         binutils))
+  (synopsis "Svitak development environment")
+  (description "Environment for building Svitak with GTK and WebKit.")
+  (home-page "https://example.org")
+  (license license:expat))

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\""