Revert "Remove Nix/NixOS support from configuration and utilities"

This reverts commit 3b2d27457db9ef8911893fa1b843560f1ccab2eb.

3 files changed, 36 insertions, 0 deletions

diff --git a/bin/gc b/bin/gc
index 8622a7d..4634f8c 100755
--- a/bin/gc
+++ b/bin/gc
@@ -18,6 +18,7 @@ help() {
 
 		  TYPE          what to do GC on (default: all):
 		                - guix
+		                - nix
 		                - trash
 		                - tmpdir
 		                - coredump
@@ -93,6 +94,25 @@ gc_guix() {
 	fi
 }
 
+gc_nix() {
+	if [ ! -e /nix/ ]; then
+		return
+	fi
+
+	PROFILES='
+	/nix/var/nix/profiles/per-user/root/channels
+	/nix/var/nix/profiles/system
+	'
+
+	for p in $PROFILES; do
+		pass show "$(hostname)"/andreh | head -n1 |
+			sudo -iS nix-env --delete-generations old -p "$p"
+	done
+	nix-env --delete-generations old
+	nix-store --gc
+	nix-collect-garbage -d
+}
+
 gc_trash() {
 	yes | trash-empty
 }
@@ -122,6 +142,7 @@ gc_docker() {
 
 TYPES='
 guix
+nix
 trash
 tmpdir
 docker
diff --git a/bin/reconfigure b/bin/reconfigure
index 2df3ee7..14a8629 100755
--- a/bin/reconfigure
+++ b/bin/reconfigure
@@ -21,6 +21,7 @@ help() {
 		Switches the system:
 		- reconfigure the Guix "home" environment;
 		- Guix "system" if it exists;
+		- NixOS if it exists.
 
 
 		Examples:
@@ -94,6 +95,11 @@ pass show "$(hostname)"/andreh |
 	head -n1 |
 	sudo -ES guix system -v3 reconfigure "$XDG_CONFIG_HOME"/guix/system.scm
 
+if [ -e /etc/nixos/configuration.nix ]; then
+	pass show "$HOSTNAME"/andreh |
+		head -n1 |
+		sudo -S nixos-rebuild switch
+fi
 
 bins > /dev/null
 
diff --git a/bin/update b/bin/update
index dc8a84f..6e6effc 100755
--- a/bin/update
+++ b/bin/update
@@ -64,6 +64,15 @@ done
 shift $((OPTIND - 1))
 
 
+HOSTNAME="$(hostname)"
+if [ -e /etc/nixos/configuration.nix ]; then
+	pass show "$HOSTNAME"/andreh |
+		head -n1 |
+		sudo -S nix-channel --update
+else
+	nix-channel --update
+fi
+
 guix pull -v3
 rfc -u