diff -Nru libguestfs-1.36.13/debian/changelog libguestfs-1.36.13/debian/changelog
--- libguestfs-1.36.13/debian/changelog	2018-07-17 08:34:31.000000000 +0000
+++ libguestfs-1.36.13/debian/changelog	2018-09-25 07:52:15.000000000 +0000
@@ -1,3 +1,10 @@
+libguestfs (1:1.36.13-1ubuntu3.2) bionic; urgency=medium
+
+  * d/p/lp-1793056-fix-internal-bin-sh.patch: fix guestfish tasks that
+    required virtual environment and missed /bin/sh (LP: #1793056)
+
+ -- Christian Ehrhardt <christian.ehrhardt@canonical.com>  Tue, 25 Sep 2018 09:52:15 +0200
+
 libguestfs (1:1.36.13-1ubuntu3.1) bionic; urgency=medium
 
   * d/p/lp-1766534-s390x-*: backport s390x/CCW support from 1.37.22 to Bionic
diff -Nru libguestfs-1.36.13/debian/patches/lp-1793056-fix-internal-bin-sh.patch libguestfs-1.36.13/debian/patches/lp-1793056-fix-internal-bin-sh.patch
--- libguestfs-1.36.13/debian/patches/lp-1793056-fix-internal-bin-sh.patch	1970-01-01 00:00:00.000000000 +0000
+++ libguestfs-1.36.13/debian/patches/lp-1793056-fix-internal-bin-sh.patch	2018-09-25 07:52:15.000000000 +0000
@@ -0,0 +1,30 @@
+From e2e3248377e52314ce9ac60a9cb1fed9ec209ad4 Mon Sep 17 00:00:00 2001
+From: Pino Toscano <ptoscano@redhat.com>
+Date: Mon, 19 Feb 2018 14:46:32 +0100
+Subject: [PATCH] appliance: include dash for Debian distros
+
+Make sure that /bin/sh is available in the appliance, and that path is
+provided by dash on Debian distributions.
+
+(cherry picked from commit 0cca7f9061455d29a7f893e715028cd3e75c19fd)
+
+Author: Christian Ehrhardt <christian.ehrhardt@canonical.com>
+Original-Author: Pino Toscano <ptoscano@redhat.com>
+Origin: backport, https://github.com/libguestfs/libguestfs/commit/e2e3248377e52314ce9ac60a9cb1fed9ec209ad4
+Bug-Ubuntu: https://bugs.launchpad.net/bugs/1793056
+Last-Update: 2018-09-25
+
+---
+ appliance/packagelist.in | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/appliance/packagelist.in
++++ b/appliance/packagelist.in
+@@ -60,6 +60,7 @@ ifelse(DEBIAN,1,
+ dnl old name used in Jessie and earlier
+   btrfs-tools
+   cryptsetup
++  dash
+   extlinux
+   fdisk
+   genisoimage
diff -Nru libguestfs-1.36.13/debian/patches/series libguestfs-1.36.13/debian/patches/series
--- libguestfs-1.36.13/debian/patches/series	2018-07-17 08:34:31.000000000 +0000
+++ libguestfs-1.36.13/debian/patches/series	2018-09-25 07:52:15.000000000 +0000
@@ -15,3 +15,4 @@
 lp-1766534-s390x-5-6-tests-regressions-Skip-IDE-tests-on-S-390.patch
 lp-1766534-s390x-6-6-lib-Add-VIRTIO_DEVICE_NAME-macro-to-handle-virtio-mm.patch
 lp-1782138-java-support-OpenJDK-10.patch
+lp-1793056-fix-internal-bin-sh.patch