Using guix home now

guix/home/files/zsh/zprofile

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+# Each new shell auto-imports all environment variables.
+# Hence exporting needs to be done only once.
+# Also, all non-login shells are descendants of a login shell.
+# Ergo, exports need to be done in the login shell only.
+# Hence, we put exports in .zprofile
+
+# Only vars needed by external commands should be exported.
+# Note that you can export vars w/out assigning a value to them.
+export XDG_CONFIG_HOME=~/.config
+export XDG_CACHE_HOME=~/.cache
+export XDG_DATA_HOME=~/.local/share
+export XDG_STATE_HOME=~/.config/zsh
+export EDITOR=nvim
+export VISUAL=nvim
+GUIX_PROFILE="$HOME/.config/guix/current" . "$GUIX_PROFILE/etc/profile"