Fix lintian warning: maintainer-script-ignores-errors

diff --git a/debian/postinst b/debian/postinst
old mode 100644 (file)
new mode 100755 (executable)
index 0cf3538..2b6ca88
--- a/debian/postinst
+++ b/debian/postinst
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 if [ -x /usr/bin/apt-key ]; then
     /usr/bin/apt-key add /usr/share/keyrings/grml-debian-keyring.gpg
 fi

diff --git a/debian/prerm b/debian/prerm
old mode 100644 (file)
new mode 100755 (executable)
index 58d0844..c8e1385
--- a/debian/prerm
+++ b/debian/prerm
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 case "$1" in
     remove|purge)
        if [ -x /usr/bin/apt-key ]; then