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-rwxr-xr-xtests/docker/dockerfiles/debian-bootstrap.pre11
1 files changed, 7 insertions, 4 deletions
diff --git a/tests/docker/dockerfiles/debian-bootstrap.pre b/tests/docker/dockerfiles/debian-bootstrap.pre
index ea324d6e4a..3b0ef95374 100755
--- a/tests/docker/dockerfiles/debian-bootstrap.pre
+++ b/tests/docker/dockerfiles/debian-bootstrap.pre
@@ -56,10 +56,13 @@ if [ -z $DEBOOTSTRAP_DIR ]; then
     if [ -z $DEBOOTSTRAP ]; then
         echo "No debootstrap installed, attempting to install from SCM"
         NEED_DEBOOTSTRAP=true
-    elif ! (echo "${MIN_DEBOOTSTRAP_VERSION}" ; "${DEBOOTSTRAP}" --version \
-            | cut -d ' ' -f 2) | sort -t . -n -k 1,1 -k 2,2 -k 3,3 -c &>/dev/null; then
-        echo "debootstrap too old, attempting to install from SCM"
-        NEED_DEBOOTSTRAP=true
+    else
+        INSTALLED_VERSION=$(${DEBOOTSTRAP} --version | sed 's/debootstrap \([0-9\.]*\)[^0-9\.]*.*/\1/')
+        if ! (echo "${MIN_DEBOOTSTRAP_VERSION}" ; echo "${INSTALLED_VERSION}") \
+                | sort -t . -n -k 1,1 -k 2,2 -k 3,3 -C ; then
+            echo "debootstrap too old, attempting to install from SCM"
+            NEED_DEBOOTSTRAP=true
+        fi
     fi
     if $NEED_DEBOOTSTRAP; then
         DEBOOTSTRAP_SOURCE=https://salsa.debian.org/installer-team/debootstrap.git