Split off rbinding operations

pre-inst.sh

@@ -129,20 +129,7 @@ elif [[ "${ID}" == 'debian' ]]; then
 	"${baseDir}/debian.sh" --sources
 fi
 
-mount \
+"${baseDir}/rbind.sh"
-	--rbind \
-	/dev \
-	/mnt/dev
-
-mount \
-	--rbind \
-	/proc \
-	/mnt/proc
-
-mount \
-	--rbind \
-	/sys \
-	/mnt/sys
 
 "${baseDir}/host-id.sh"
 

rbind.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -euo pipefail
+
+
+mount \
+	--rbind \
+	/dev \
+	/mnt/dev
+
+mount \
+	--rbind \
+	/proc \
+	/mnt/proc
+
+mount \
+	--rbind \
+	/sys \
+	/mnt/sys