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;; This "home-environment" file can be passed to 'guix home reconfigure'
;; to reproduce the content of your profile.  This is "symbolic": it only
;; specifies package names.  To reproduce the exact same profile, you also
;; need to capture the channels being used, as returned by "guix describe".
;; See the "Replicating Guix" section in the manual.

;; See also, for some tips:
;; https://github.com/alezost/shepherd-config/blob/master/init.scm

(define-module (tw home lap)
  #:use-module ((gnu)
                #:select (use-package-modules))
  #:use-module (gnu home)
  #:use-module (gnu home services)
  #:use-module (gnu home services desktop)
  #:use-module (gnu home services guix)
  #:use-module (gnu home services mcron)
  #:use-module (gnu home services pm)
  #:use-module (gnu home services shells)
  #:use-module (gnu home services shepherd)
  #:use-module (gnu home services ssh)
  #:use-module (gnu packages)
  #:use-module (gnu services)
  #:use-module (gnu services shepherd)
  #:use-module (guix channels)
  #:use-module (guix gexp)
  #:use-module ((nongnu packages messaging)
                #:select (signal-desktop zoom))
  #:use-module (tw packages alice)
  #:use-module (tw packages catppuccin)
  #:use-module (tw packages games)
  #:use-module (tw packages shell)
  #:use-module (tw packages xorg)
  #:use-module (tw gexp)
  #:use-module (tw theme))

(use-package-modules
 admin android base bittorrent calendar cmake compression compton curl
 databases dav disk dns dunst emacs emacs-xyz file finance fonts freedesktop
 games gimp gnome gnome-xyz gnupg gnuzilla graphviz haskell-apps imagemagick
 inkscape kde less libreoffice linux lisp llvm mail maths messaging music
 networking password-utils pdf pretty-print pulseaudio pv python python-xyz
 rsync shells shellutils sqlite ssh syndication tcl terminals textutils tmux
 video version-control vim web web-browsers wm xdisorg xorg)

(define gui-packages
  (list
   ;; i3 and Xorg. i3 itself must be installed system-wide for gdm to pick it up.
   ;; acpilight is a drop-in xbacklight replacement, as xbacklight doesn't work on my system.
   acpilight arandr blueman dunst gnupg gimp hsetroot inkscape icecat
   kdeconnect kitty libreoffice mpv nheko password-store pass-otp polybar rofi
   rofi-calc signal-desktop simple-scan transmission-remote-gtk xdg-utils xdot
   xclip xdotool xdpyinfo xev xfd xfontsel xinput xkill xprop xrandr xrdb xsel
   xset xwininfo zoom zathura zathura-ps zathura-pdf-poppler
   dconf dconf-editor  ; required for config by blueman, cozy, ...
   ;; gnome-keyring  ; installed system-wide; see system-configuration.scm
   ;; geoclue  ; for redshift -- installed system-wide
   ;; Games
   0ad freeciv simutrans/pak128 warzone2100 widelands  ; pioneer
   ;; Fonts
   font-hermit font-inconsolata font-fira-code font-fira-sans
   font-libertinus font-openmoji
   ;; Theming
   papirus-icon-theme catppuccin-gtk-theme catppuccin-mocha-dark-cursors))

(define (polybar-service monitor)
  (shepherd-service
   (documentation (string-append "Polybar desktop bar for monitor" monitor "."))
   (provision (list (string->symbol (string-append "polybar-" monitor))))
   (start #~(make-forkexec-constructor
             (list #$(file-append polybar "/bin/polybar"))
             #:environment-variables
             (cons #$(string-append "POLYBAR_MONITOR=" monitor)
                   (default-environment-variables))))
   (stop #~(make-kill-destructor))))

(define gui-services
  (list
   ;; Batsignal: battery level notifications.
   (service home-batsignal-service-type
            (home-batsignal-configuration
             (batteries '("BAT0"))))

   ;; Redshift: make the screen turn redder at night.
   (service home-redshift-service-type
            (home-redshift-configuration
             ;; See info '(guix)Desktop Home Services'.
             (location-provider 'manual)
             ;; Approximate location
             (latitude 46.0)
             (longitude 6.0)
             ;; (location-provider 'geoclue2)  ; currently waits forever for a location -- not sure why geoclue doesn't work
             ;; (daytime-temperature 6500)  ; default 6500
             ;; (nighttime-temperature 4500)  ; default 4500
             (daytime-brightness 1.0)
             (nighttime-brightness 0.7)
             (extra-content "fade=0")))  ; with fade=1, restarting redshift causes flickering for a few secs

   ;; The dbus service doesn't seem to be added automatically.
   (service home-dbus-service-type (home-dbus-configuration))

   (simple-service
    'gui-services home-shepherd-service-type
    (list
     (shepherd-service
      (documentation "KDE connect applet.")
      (provision '(kdeconnect-applet))
      (requirement '(kdeconnectd))
      (start #~(make-forkexec-constructor
                (list #$(file-append kdeconnect "/bin/kdeconnect-indicator"))))
      (stop #~(make-kill-destructor)))
     (shepherd-service
      (documentation "KDE connect daemon.")
      (provision '(kdeconnectd))
      (start #~(make-forkexec-constructor
                (list #$(file-append kdeconnect "/libexec/kdeconnectd"))))
      (stop #~(make-kill-destructor)))

     (shepherd-service
      (documentation "Blueman applet; provides a GUI for connection to bluetooth devices.")
      (provision '(blueman-applet))
      (start #~(make-forkexec-constructor
                (list #$(file-append blueman "/bin/blueman-applet"))))
      (stop #~(make-kill-destructor)))

     (polybar-service "eDP-1")
     (polybar-service "HDMI-1-1")

     (shepherd-service
      (documentation "Dunst notification daemon; displays desktop notifications.")
      (provision '(dunst))
      (start #~(make-forkexec-constructor
                (list #$(file-append dunst "/bin/dunst"))))
      (stop #~(make-kill-destructor)))

     (shepherd-service
      (documentation "Picom compositor; enables transparent windows in X.")
      (provision '(picom))
      (start #~(make-forkexec-constructor
                (list #$(file-append picom "/bin/picom") "--experimental-backends"
                      "--config" #$(local-file "files/picom.conf"))))
      (stop #~(make-kill-destructor)))

     (shepherd-service
      (documentation "Source Xresources on login.")
      (provision '(xrdb))
      (one-shot? #t)
      (start #~(lambda _
                 (invoke #$(file-append xrdb "/bin/xrdb") "-merge"
                         (string-append (getenv "XDG_CONFIG_HOME") "/X11/Xresources")))))

     ;; By default, xdotool gets most of "#@\|~()<>[]{} wrong.  Make
     ;; it use the correct keymap by re-setting the same one again.
     (shepherd-service
      (documentation "Fix X keyboard map on login; passmenu needs this.")
      (provision '(fix-xdotool))
      (one-shot? #t)
      (start #~(lambda _
                 (use-modules (ice-9 rdelim)
                              (ice-9 regex)
                              (ice-9 popen))
                 (let ((port (open-pipe* OPEN_READ #$(file-append setxkbmap "/bin/setxkbmap")
                                         "-query")))
                   (let loop ((line (read-line port)))
                     (unless (eof-object? line)
                       (let ((mtch (string-match "^layout:[[:space:]]*" line)))
                         (if mtch
                             (system* #$(file-append setxkbmap "/bin/setxkbmap")
                                      (match:suffix mtch))
                             (loop (read-line port))))))))))

     (shepherd-service
      (documentation "Set up X displays on login.")
      (provision '(xorg-setup))
      (one-shot? #t)
      (start #~(lambda _
                 (invoke #$(file-append numlockx "/bin/numlockx") "on")
                 ;; Turn off the monitors if there is no input for 10 minutes.
                 (invoke #$(file-append xset "/bin/xset") "dpms" "600" "600" "600")
                 (invoke #$(file-append xrandr "/bin/xrandr")
                         "--output" "eDP-1" "--auto"
                         ;; Don't use --auto for this monitor. That
                         ;; configures it at 60 Hz, which causes
                         ;; it to briefly turn off every few minutes.
                         "--output" "HDMI-1-1" "--mode" "2560x1440" "--rate" "120.00"
                         "--right-of" "eDP-1")
                 ;; Set the desktop background picture. Hopefully doing this just after
                 ;; xrandr works and sets it for both screens.
                 (invoke #$(file-append hsetroot "/bin/hsetroot") "-cover"
                         (string-append (getenv "HOME")
                                        "/pictures/Backgrounds/greece/IMG_20181201_104748_DRO.jpg")))))))

   ;; Configuration files for GUI programs in $XDG_CONFIG_HOME.
   (simple-service
    'gui-config home-xdg-configuration-files-service-type
    `(("dunst/dunstrc" ,(local-file "files/dunstrc"))
      ("dunst/dunstrc.d/50-catppuccin.conf" ,catppuccin-dunstrc)
      ("emacs/include" ,(local-file "files/emacs-packages" #:recursive? #t))
      ("emacs/init.el" ,(local-file "files/emacs-init.el"))
      (,(string-append "emacs/" (local-file-name catppuccin-emacs-theme))
       ,catppuccin-emacs-theme)
      ("gtk-2.0/gtkrc" ,(local-file "files/gtk2.ini"))
      ("gtk-3.0/settings.ini" ,(local-file "files/gtk3.ini"))
      ("i3/config" ,(local-file "files/i3.conf"))
      ;; TODO: "kdeglobals" works for some programs (e.g. kdeconnect-app),
      ;; but not for others (e.g. nheko, kdeconnect-settings)...
      ("kdeglobals" ,catppuccin-kdeglobals)
      ("kitty/diff.conf" ,catppuccin-kitty-diff)
      ("kitty/kitty.conf"
       ,(combined-text-file "kitty.conf"
          (local-file "files/kitty.conf")
          catppuccin-kitty))
      ("polybar/config.ini" ,(local-file "files/polybar.ini"))
      ("polybar/catppuccin.ini" ,catppuccin-polybar)
      ("rofi/config.rasi" ,(local-file "files/rofi.rasi"))
      ("rofi/themes/catppuccin.rasi" ,catppuccin-rofi)
      ("zathura/zathurarc" ,(local-file "files/zathurarc"))
      ("zathura/catppuccin" ,catppuccin-zathura)))

   (simple-service
    'gui-files home-files-service-type
    `((".icons/default/index.theme" ,(local-file "files/cursors.ini"))))

   (simple-service
    'gui-environment-variables home-environment-variables-service-type
    `(("TERMINAL" . "kitty")
      ("_JAVA_OPTIONS" .
       ,(string-append
         "$_JAVA_OPTIONS${_JAVA_OPTIONS:+ }-Dawt.useSystemAAFontSettings=on -Dswing.aatext=true "
         "-Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel "
         "-Dswing.crossplatformlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel"))
      ;; Smooth trackpad scrolling in Firefox/Icecat.
      ;; https://wiki.archlinux.org/index.php/Firefox/Tweaks#Pixel-perfect_trackpad_scrolling
      ("MOZ_USE_XINPUT2" . "1")))

   (simple-service
    'gui-scripts home-files-service-type
    `(;; https://sw.kovidgoyal.net/kitty/kittens/diff/
      (".local/bin/kdiff"  ; show a diff
       ,(program-file "kdiff" #~(apply execl #$(file-append kitty "/bin/kitty") "kitty"
                                       "+kitten" "diff" (cdr (command-line)))))
      (".local/bin/icat"   ; kitty's "catimg" equivalent
       ,(program-file "icat" #~(apply execl #$(file-append kitty "/bin/kitty") "kitty"
                                      "+kitten" "icat" (cdr (command-line)))))
      (".local/bin/screenlock"
       ,(program-file
         "screenlock"
         #~(begin  ; Wrapper around i3lock to turn off the screen and pause notifications.
             (system* #$(file-append dunst "/bin/dunstctl") "set-paused" "true")
             (system* #$(file-append xset "/bin/xset") "dpms" "0" "0" "5")
             ;; We mustn't use `file-append' here, as we have to pick up the
             ;; setuid binary for i3lock installed by the system config.
             (system* "i3lock" "-nc" #$catppuccin-background-color)
             (system* #$(file-append xset "/bin/xset") "dpms" "0" "0" "0")
             (system* #$(file-append dunst "/bin/dunstctl") "set-paused" "false"))))
      ;; With #:recursive? #t, Guix keeps the files' permission bits, i.e. makes them executable.
      (".local/bin/sessionmenu" ,(local-file "files/sessionmenu" #:recursive? #t))  ; rofi logout/reboot menu
      (".local/bin/passmenu" ,(local-file "files/passmenu" #:recursive? #t))        ; rofi passwords menu
      (".local/bin/volume" ,(local-file "files/volume" #:recursive? #t))))))        ; set volume on key press

(home-environment
 (packages
  ;; These packages will show up in the home profile, under ~/.guix-home/profile.
  (cons*
   ;; CLI tools
   adb beets curl dos2unix fdupes file fzf git
   gnuplot graphviz hledger imagemagick jq lesspipe
   nvme-cli openssh powertop pulsemixer pv python
   python-ipython recutils rsync sbcl smartmontools
   source-highlight tk tmux tree xxd zip unzip
   get-iplayer ffmpeg atomicparsley yt-dlp
   neomutt mailcap lynx   ; mail (lynx for HTML mail)
   newsboat vdirsyncer khal khard

   ;; Install only bind-utils like dig, not the full suite.
   (list isc-bind "utils")

   ;; Ranger can do code highlighting using python-pygments and
   ;; image previews in kitty using python-pillow.
   ranger python-pygments python-pillow mediainfo python-pdftotext
   xcwd   ; my own package

   ;; Work
   s3cmd python-alibuild  ; python-alidistlint

   ;; Shell
   zsh zsh-autosuggestions zsh-syntax-highlighting zsh-autopair
   zsh-completions   ; my own package

   ;; Development & language servers
   gnu-make
   shellcheck
   clang  ; for clangd
   python-lsp-server
   ;; Supported OotB by eglot, but not packaged by guix:
   ;; https://github.com/mads-hartmann/bash-language-server
   ;; https://github.com/regen100/cmake-language-server
   ;; https://github.com/hrsh7th/vscode-langservers-extracted   ; {html,css,json}-languageserver
   ;; https://github.com/golang/tools/tree/master/gopls         ; maybe?
   ;; https://github.com/artempyanykh/marksman                  ; Markdown
   ;; https://github.com/jeapostrophe/racket-langserver
   ;; https://github.com/astoff/digestif                        ; (La)TeX
   ;; https://github.com/redhat-developer/yaml-language-server
   ;; Needs eglot config + not packaged (from lsp-mode):
   ;; https://github.com/graphql/graphiql/tree/main/packages/graphql-language-service-cli#readme
   ;; https://github.com/haskell/haskell-language-server / https://github.com/haskell/ghcide
   ;; https://github.com/eclipse/lemminx

   ;; Emacs
   emacs
   emacs-use-package
   emacs-eglot
   emacs-counsel
   emacs-counsel-dash sqlite  ; emacs-counsel-dash requires the sqlite3 binary
   emacs-ivy
   ;; emacs-company emacs-company-quickhelp emacs-company-posframe
   emacs-corfu emacs-corfu-doc
   emacs-autothemer  ; for catppuccin/emacs
   emacs-undo-tree
   emacs-aggressive-indent
   emacs-which-key
   emacs-smart-mode-line
   emacs-diminish
   emacs-rainbow-mode
   emacs-guix
   ;; TODO: emacs-editorconfig emacs-sly emacs-sly-macrostep
   emacs-org   ; emacs-org-modern theme?

   emacs-evil
   emacs-evil-collection
   emacs-evil-expat  ; for :reverse, :remove, :rename, :colo, :g*, ... ex commands
   emacs-evil-surround
   ;; emacs-evil-owl  ; tests failing
   emacs-evil-args
   emacs-evil-numbers
   emacs-evil-multiedit
   emacs-evil-goggles
   emacs-evil-traces
   emacs-evil-commentary
   emacs-evil-replace-with-register
   emacs-evil-org
   emacs-evil-markdown
   emacs-evil-tex
   emacs-evil-text-object-python

   emacs-geiser emacs-geiser-racket emacs-geiser-guile
   ;; emacs-macrostep-geiser
   emacs-flymake-collection  ; emacs-flymake-flycheck  ; if needed
   emacs-cmake-mode emacs-gnuplot emacs-graphviz-dot-mode
   emacs-hcl-mode emacs-ledger-mode emacs-mmm-mode
   emacs-puppet-mode emacs-rec-mode emacs-web-mode
   emacs-yaml-mode

   gui-packages))

 ;; To search for available home services, run 'guix home search KEYWORD'.
 (services
  (cons*
   ;; User shepherd services.
   (simple-service
    'terminal-services home-shepherd-service-type
    (list
     (shepherd-service
      (documentation "Emacs server; connect using emacsclient.")
      (provision '(emacs))
      (start #~(make-forkexec-constructor
                (list #$(file-append emacs "/bin/emacs") "--fg-daemon")))
      (stop #~(make-kill-destructor)))
     (shepherd-service
      (documentation "GPG agent; caches key passwords.")
      (provision '(gpg-agent))
      (start #~(lambda _
                 (invoke #$(file-append gnupg "/bin/gpg-agent")
                         "--daemon" "--no-detach")))
      (stop #~(lambda _
                (invoke "gpg-connect-agent" "killagent" "/bye"))))))

   (simple-service
    'terminal-cronjobs home-mcron-service-type
    (list #~(job "15 */2 * * *"   ; every two hours at HH:15
                 (string-append #$(file-append vdirsyncer "/bin/vdirsyncer") " metasync"))
          #~(job "0,30 * * * *"   ; every half hour
                 (string-append #$(file-append vdirsyncer "/bin/vdirsyncer") " sync"))))

   ;; Configuration files for terminal-only programs in $XDG_CONFIG_HOME.
   (service
    home-xdg-configuration-files-service-type
    `(;; All alibuild needs is an empty file.
      ("alibuild/disable-analytics"
       ,(plain-file "alibuild-disable-analytics" ""))
      ("git/config" ,(local-file "files/gitconfig"))
      ("htop/htoprc" ,(local-file "files/htoprc"))
      ("khal/config" ,(local-file "files/khal.conf"))
      ("khard/khard.conf" ,(local-file "files/khard.conf"))
      ("lesskey" ,(local-file "files/lesskey"))
      ("mutt/muttrc" ,(local-file "files/muttrc"))
      ("mutt/catppuccin.muttrc" ,catppuccin-muttrc)
      ("newsboat/config" ,(local-file "files/newsboat.conf"))
      ("newsboat/config.catppuccin" ,catppuccin-newsboat)
      ("ranger/rc.conf" ,(local-file "files/ranger.conf"))
      ("user-dirs.locale" ,(plain-file "user-dirs.locale" "C"))  ; Not sure if this is needed. Arch has it.
      ("user-dirs.dirs" ,(local-file "files/user-dirs.dirs"))
      ("vdirsyncer/config" ,(local-file "files/vdirsyncer.conf"))
      ("X11/XCompose" ,(local-file "files/XCompose"))   ; see also: $XCOMPOSEFILE variable
      ("X11/Xresources" ,(local-file "files/Xresources"))))

   (simple-service
    'terminal-files home-files-service-type
    `((".mailcap" ,(local-file "files/mailcap"))
      ;; The file from git main is newer than the one bundled with the
      ;; packaged neomutt version and contains a few fixes.
      (".local/bin/mutt_oauth2.py"
       ,(local-file "files/neomutt/contrib/oauth2/mutt_oauth2.py" #:recursive? #t))
      ;; GnuPG config files must be in ~/.local/share/gnupg, not ~/.config,
      ;; so we can't use `home-xdg-configuration-files-service-type'.
      (".local/share/gnupg/gpg.conf" ,(local-file "files/gpg.conf"))
      (".local/share/gnupg/gpg-agent.conf"
       ,(mixed-text-file "gpg-agent.conf" "\
pinentry-program " (file-append pinentry-rofi "/bin/pinentry-rofi") "
# Needed if spawning lots of parallel gpg --decrypt processes. https://dev.gnupg.org/T3530
auto-expand-secmem
"))))

   (service home-zsh-service-type
            (home-zsh-configuration
             (zshrc (list (local-file "files/zshrc")
                          (local-file "files/prompt.zsh")))))

   (simple-service
    'terminal-environment-variables home-environment-variables-service-type
    `(;; Path to my own package definitions. If invoking `guix home'
      ;; afresh, this needs to be set manually to find these packages.
      ("GUIX_PACKAGE_PATH" . "$HOME/src/guix-decls")

      ;; Prepend my own binaries to $PATH. These should probably all
      ;; be managed through `home-files-service-type'.
      ("PATH" . "$HOME/.local/bin${PATH:+:}$PATH")

      ;; Default terminal-related applications
      ("EDITOR" . "emacsclient -qc")
      ;; Tell emacsclient to return immediately after opening the
      ;; file. I can't put this in $EDITOR as many programs expect
      ;; $EDITOR to exit only when the user is done editing.
      ("ASYNC_EDITOR" . "emacsclient -qcn")
      ("PAGER" . "less")
      ;; Guix force-overrides $LESS by default, so force-force it to do what I want instead.
      ;; `less' reads the `lesskey' file configured above.
      ("GUIX_PAGER" . "env -u LESS less")
      ;; To make LESS_TERMCAP_* variables (set in lesskey) apply to man pages in kitty.
      ("GROFF_NO_SGR" . "1")

      ;; Shell history -- primarily for zsh, but Emacs' eshell uses this too
      ("HISTSIZE" . "10000000")

      ;; ("NVIM_TUI_ENABLE_CURSOR_SHAPE" . "1")
      ("LEDGER_FILE" . "$HOME/sync/ledger/ledger.journal")
      ("GTAGSLABEL" . "pygments")

      ;; Disable at-spi-dbus-launcher accessibility service.
      ("NO_AT_BRIDGE" . "1")

      ;; Auto-compilation is annoying and creates a bunch of files that are never cleaned up.
      ("GUILE_AUTO_COMPILE" . "0")

      ;; For some reason, Guix doesn't seem to add these paths automatically.
      ("GUILE_LOAD_PATH" .
       ,(string-append
         "$GUIX_PACKAGE_PATH:"
         "$XDG_CONFIG_HOME/guix/current/share/guile/site/3.0"
         "${GUILE_LOAD_PATH:+:}$GUILE_LOAD_PATH"))
      ("GUILE_LOAD_COMPILED_PATH" .
       ,(string-append
         "$XDG_CONFIG_HOME/guix/current/lib/guile/3.0/site-ccache:"
         "$XDG_CONFIG_HOME/guix/current/share/guile/site/3.0"
         "${GUILE_LOAD_COMPILED_PATH:+:}$GUILE_LOAD_COMPILED_PATH"))))

   ;; XDG basedir spec compliance for various programs
   ;; See: https://wiki.archlinux.org/index.php/XDG_Base_Directory for a list of programs.
   ;; The `home-xdg-base-directories' service (enabled by default) sets $XDG_* variables for us.
   (simple-service
    'xdg-spec-compliance home-environment-variables-service-type
    '(("ANDROID_EMULATOR_HOME" . "$XDG_DATA_HOME/android-emulator")
      ("ASPELL_CONF" . "per-conf $XDG_CONFIG_HOME/aspell/aspell.conf; home-dir $XDG_DATA_HOME/aspell")
      ("BUP_DIR" . "$XDG_DATA_HOME/bup")
      ("CARGO_HOME" . "$XDG_DATA_HOME/cargo")
      ("DSHGROUP_PATH" . "$XDG_DATA_HOME/dsh/group:/etc/dsh/group")
      ("ELECTRUMDIR" . "$XDG_DATA_HOME/electrum")
      ("FG_HOME" . "$XDG_DATA_HOME/fgfs")
      ("GETIPLAYERUSERPREFS" . "$XDG_DATA_HOME/get_iplayer")
      ("GNUPGHOME" . "$XDG_DATA_HOME/gnupg")
      ("GTK2_RC_FILES" . "$XDG_CONFIG_HOME/gtk-2.0/gtkrc")
      ("ICEAUTHORITY" . "$XDG_CACHE_HOME/ICEauthority")
      ("INPUTRC" . "$XDG_CONFIG_HOME/readline/inputrc")
      ("IPYTHONDIR" . "$XDG_CONFIG_HOME/ipython")
      ("JUPYTER_CONFIG_DIR" . "$XDG_CONFIG_HOME/jupyter")
      ;; KONAN_DATA_DIR=~/.konan by default; grows to multiple GiB.
      ;; https://discuss.kotlinlang.org/t/change-konan-folder-location/18309
      ("KONAN_DATA_DIR" . "$XDG_CACHE_HOME/konan")
      ("NPM_CONFIG_USERCONFIG" . "$XDG_CONFIG_HOME/npm/npmrc")
      ("PASSWORD_STORE_DIR" . "$XDG_DATA_HOME/password-store")
      ("PLTUSERHOME" . "$XDG_DATA_HOME/racket")
      ("PYLINTHOME" . "$XDG_CACHE_HOME/pylint")
      ("PYLINTRC" . "$XDG_CONFIG_HOME/pylint/pylintrc")
      ("RECOLL_CONFDIR" . "$XDG_CONFIG_HOME/recoll")
      ("RLWRAP_HOME" . "$XDG_DATA_HOME/rlwrap")
      ("STACK_ROOT" . "$XDG_DATA_HOME/stack")
      ("TMUX_TMPDIR" . "$XDG_RUNTIME_DIR")
      ("WEECHAT_HOME" . "$XDG_CONFIG_HOME/weechat")
      ("XCOMPOSECACHE" . "$XDG_CACHE_HOME/X11/XCompose")
      ("XCOMPOSEFILE" . "$XDG_CONFIG_HOME/X11/XCompose")
      ("ZDOTDIR" . "$XDG_CONFIG_HOME/zsh")
      ("_JAVA_OPTIONS" .
       "$_JAVA_OPTIONS${_JAVA_OPTIONS:+ }-Djava.util.prefs.userRoot=$XDG_CONFIG_HOME/java")))

   (service
    home-openssh-service-type
    (home-openssh-configuration
     (hosts
      (let ((my-hosts/ports
             '(("vin.twilken.net" . 50022)
               ("vin.wg" . 50022)
               ("pi3.twilken.net" . 51022)
               ("pi3.wg" . 51022)
               ("lud.twilken.net" . 22022)
               ("lud.wg" . 22022)
               ("matrix.twilken.net" . 22022)))
            (git-hosts
             '("github.com" "ssh.github.com" "bitbucket.org" "gitlab.cern.ch"))
            (cern-ci-hosts/users
             '(("alimonitor.cern.ch" . "alibuild")
               ("alinsure.cern.ch" . "alibuild")
               ("alibuildmac*.cern.ch" . "alibuild")
               ("aido*osx*.cern.ch" . "alibuild")
               ("alibuild*.cern.ch" . "root")
               ("alissandra*.cern.ch" . "root")
               ("alimesos*.cern.ch" . "root")
               ("alientest*.cern.ch" . "root")
               ("aliflow*.cern.ch" . "root")
               ("alijenkins*.cern.ch" . "root"))))

        (define (cern-extra-content delegate-kerberos-credentials?)
          (string-append "\
# Kerberos authentication
GSSAPIAuthentication yes
GSSAPIDelegateCredentials " (if delegate-kerberos-credentials? "yes" "no") "
PreferredAuthentications gssapi-keyex,gssapi-with-mic,publickey,password,keyboard-interactive
ProxyJump \"twilken@lxplus.cern.ch\"
"))

        ;; Earlier rules take precedence over later ones.
        `(,(openssh-host (name "*.srcf.net") (user "tw466"))
          ,(openssh-host (name "*.fritz.box")
                         (extra-content "ProxyJump lud.twilken.net"))
          ,@(map (lambda (host port)
                   (openssh-host (name host) (port port) (user "timo")))
                 (map car my-hosts/ports)
                 (map cdr my-hosts/ports))
          ,@(map (lambda (host) (openssh-host (name host) (user "git"))) git-hosts)
          ;; BitBucket apparently only supports ssh-rsa.
          ,(openssh-host (name "bitbucket.org")
                         (host-key-algorithms '("+ssh-rsa"))
                         (accepted-key-types '("+ssh-rsa")))
          ,(openssh-host (name "gitlab.cern.ch")
                         (port 7999)
                         (extra-content "ProxyJump none"))  ; no jump needed
          ;; Avoid ProxyJump loops.
          ,(openssh-host (name "lxplus.cern.ch")
                         (extra-content "ProxyJump none"))
          ,(openssh-host (name "twilkendesktop.cern.ch")
                         (port 22022)
                         (forward-x11? #t)
                         (extra-content (cern-extra-content #t)))
          ,@(map (lambda (host user)
                   (openssh-host (name host)
                                 (user user)
                                 (identity-file "~/.local/share/ssh-keys/alicern_id_rsa")))
                 (map car cern-ci-hosts/users)
                 (map cdr cern-ci-hosts/users))
          ,(openssh-host (name "*.cern.ch")
                         (user "twilken")
                         (identity-file "~/.local/share/ssh-keys/cern_id_rsa")
                         (extra-content (cern-extra-content #f)))
          ;; Default SSH key. This isn't in ~/.ssh as `home-openssh-service-type'
          ;; manages that and might delete keys there.
          ,(openssh-host (name "*")
                         (identity-file "~/.local/share/ssh-keys/id_rsa")
                         ;; Remote servers probably don't know about xterm-kitty.
                         (extra-content "SetEnv TERM=xterm-256color")))))))

   (simple-service  ; this can't be a `service' as that would remove the 'guix channel
    'nonfree-channels home-channels-service-type
    (list
     ;; Nonguix is also needed system-wide for non-free drivers!
     (channel
      (name 'nonguix)
      (url "https://gitlab.com/nonguix/nonguix")
      ;; Enable signature verification:
      (introduction
       (make-channel-introduction
        "897c1a470da759236cc11798f4e0a5f7d4d59fbc"
        (openpgp-fingerprint
         "2A39 3FFF 68F4 EF7A 3D29  12AF 6F51 20A0 22FB B2D5"))))
     (channel
      (name 'guix-gaming-games)
      (url "https://gitlab.com/guix-gaming-channels/games")
      ;; Enable signature verification:
      (introduction
       (make-channel-introduction
        "c23d64f1b8cc086659f8781b27ab6c7314c5cca5"
        (openpgp-fingerprint
         "50F3 3E2E 5B0C 3D90 0424  ABE8 9BDC F497 A4BB CC7F"))))))

   gui-services)))