diff --git a/Justfile b/Justfile
index d90db9e..71ef84c 100644
--- a/Justfile
+++ b/Justfile
@@ -4,6 +4,14 @@ default:
 defhost := `hostname`
 defuser := env_var('USER')
 
+date := `date '+%F %R'`
+branch := `git branch 2>/dev/null | sed -n '/^\* / { s|^\* ||; p; }'`
+revision := shell('expr substr "$(git rev-parse HEAD)" 1 7')
+export NIXOS_LABEL_VERSION := date + " on " + branch + "@" + revision
+
+test:
+  echo $NIXOS_LABEL_VERSION
+
 alias dh := deployhome
 [group('home')]
 deployhome user=defuser host=defhost: