Fix optimize with parted

Signed-off-by: Paul Guyot <[email protected]>

cleanup_image.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -uo pipefail
+set -euxo pipefail
 
 loopdev=$1
 mount=$2
@@ -20,10 +20,10 @@ if [[ -d "${mount}" ]]; then
     if [[ "${optimize}x" == "x" || "${optimize}x" == "yesx" ]]; then
         if [[ -d "${mount}/boot" ]]; then
             echo "Zero-filling unused blocks on boot filesystem..."
-            cat /dev/zero >"${mount}/boot/zero.fill" 2>/dev/null; sync; rm -f "${mount}/boot/zero.fill"
+            (cat /dev/zero >"${mount}/boot/zero.fill" 2>/dev/null || true); sync; rm -f "${mount}/boot/zero.fill"
         fi
         echo "Zero-filling unused blocks on root filesystem..."
-        cat /dev/zero >"${mount}/zero.fill" 2>/dev/null; sync; rm -f "${mount}/zero.fill"
+        (cat /dev/zero >"${mount}/zero.fill" 2>/dev/null || true); sync; rm -f "${mount}/zero.fill"
     fi
 
     umount "${mount}/dev/pts" || true
@@ -44,6 +44,8 @@ if [[ -d "${mount}" ]]; then
         rootfs_blockcount=$(tune2fs -l ${rootdev} | grep "^Block count" | awk '{print $NF}')
 
         echo "Resizing rootfs partition."
+        echo "DEBUG parted print"
+        parted -m --script "${loopdev}" unit B print
         rootfs_partstart=$(parted -m --script "${loopdev}" unit B print | grep "^${rootfs_partnum}:" | awk -F ":" '{print $2}' | tr -d 'B')
         rootfs_partsize=$((${rootfs_blockcount} * ${rootfs_blocksize}))
         rootfs_partend=$((${rootfs_partstart} + ${rootfs_partsize}))