deploy: Colorize steps

os/rebuild.sh

@@ -4,20 +4,34 @@ verb="$2"
 shift
 shift
 
+# Helpers
+error() {
+    echo -e '\033[1;31m'"$*"'\033[0m'
+}
+warn() {
+    echo -e '\033[1;33m'"$*"'\033[0m'
+}
+info() {
+    echo -e '\033[1;34m'"$*"'\033[0m'
+}
+debug() {
+    [ ! -v DEBUG ] || echo -e '\033[1;35m'"$*"'\033[0m'
+}
+
 if [ "$verb" != "build" ] && [ "$verb" != "test" ] && [ "$verb" != "boot" ] && [ "$verb" != "switch" ] && [ "$verb" != "confirm" ]
 then
-  echo "Action should be one of: build, test, boot, switch, confirm"
+  error "Action should be one of: build, test, boot, switch, confirm"
   exit 2
 fi
 
-# Build, looking nice
+info "Building"
 tmpdir="$(mktemp -d)"
 # sudo so the eval cache is shared with nixos-rebuild
 sudo nom build "$self#nixosConfigurations.$HOSTNAME.config.system.build.toplevel" -o "$tmpdir/toplevel" "$@"
 toplevel="$(readlink -f "$tmpdir/toplevel")"
 rm -rf "$tmpdir"
 
-# Show diff
+info "Showing diff"
 nvd diff "$(readlink -f /nix/var/nix/profiles/system)" "$toplevel"
 
 # Figure out specialisation
@@ -27,15 +41,17 @@ while read -r specialisation
 do
     if [ "$(readlink -f "/nix/var/nix/profiles/system/specialisation/$specialisation")" = "$currentSystem" ]
     then
+        debug "Using specialisation: $specialisation"
         specialisationArgs=("--specialisation" "$specialisation")
     fi
 done <<< "$(ls /nix/var/nix/profiles/system/specialisation)"
 
 # Apply
+info "Applying"
 confirm="n"
 if [ "$verb" = "confirm" ]
 then
-  echo "Apply configuration? [y/N]"
+  warning "Apply configuration? [y/N]"
   read -r confirm
 fi
 if [ "$verb" = "test" ] || [ "$verb" = "switch" ] || [ "$confirm" = "y" ]
@@ -47,7 +63,7 @@ fi
 # Set as boot
 if [ "$verb" = "confirm" ]
 then
-  echo "Set configuration as boot? [y/N]"
+  warning "Set configuration as boot? [y/N]"
   read -r confirm
 fi
 if [ "$verb" = "boot" ] || [ "$verb" = "switch" ] || [ "$confirm" = "y" ]