1 files changed, 57 insertions, 0 deletions
diff --git a/debian/argyll.preinst b/debian/argyll.preinst
new file mode 100644
index 0000000..200ce8a
--- /dev/null
+++ b/debian/argyll.preinst
@@ -0,0 +1,57 @@
+#!/bin/sh
+# preinst script for #PACKAGE#
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <new-preinst> `install'
+#        * <new-preinst> `install' <old-version>
+#        * <new-preinst> `upgrade' <old-version>
+#        * <old-preinst> `abort-upgrade' <new-version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+# Remove a no-longer used conffile
+rm_conffile() {
+    local PKGNAME="$1"
+    local CONFFILE="$2"
+
+    [ -e "$CONFFILE" ] || return 0
+
+    local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
+    local old_md5sum="$(dpkg-query -W -f='${Conffiles}' $PKGNAME | \
+            sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
+    if [ "$md5sum" != "$old_md5sum" ]; then
+        echo "Obsolete conffile $CONFFILE has been modified by you."
+        echo "Saving as $CONFFILE.dpkg-bak ..."
+        mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
+    else
+        echo "Removing obsolete conffile $CONFFILE ..."
+        rm -f "$CONFFILE"
+    fi
+}
+
+case "$1" in
+    install|upgrade)
+	if dpkg --compare-versions "$2" le "1.1.0-3"; then
+            rm_conffile argyll "/etc/udev/permissions.d/10-Argyll.permissions"
+            rm_conffile argyll "/etc/udev/rules.d/45-Argyll.rules"
+            rm_conffile argyll "/etc/udev/rules.d/55-Argyll.rules"
+	fi
+	;;
+    abort-upgrade)
+	;;
+    *)
+        echo "preinst called with unknown argument \`$1'" >&2
+        exit 1
+	;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0