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

This reverts commit 3b2d27457db9ef8911893fa1b843560f1ccab2eb.

1 files changed, 21 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