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authorDaniel Kahn Gillmor <dkg@fifthhorseman.net>2009-03-02 14:17:35 -0500
committerDaniel Kahn Gillmor <dkg@fifthhorseman.net>2009-03-02 14:17:35 -0500
commitd86b79c54bca47211511fc18f3d626cf3b30fcb1 (patch)
tree3977ce95a86f1237e595066386b4f4ff4a9af783 /packaging/debian
parent0dc0bc5817f4eb4a0e996d4dfed97b0822a29216 (diff)
added a prerm script to explicitly fail if someone attempts to downgrade to anything before 0.23
Diffstat (limited to 'packaging/debian')
-rwxr-xr-xpackaging/debian/monkeysphere.prerm36
1 files changed, 36 insertions, 0 deletions
diff --git a/packaging/debian/monkeysphere.prerm b/packaging/debian/monkeysphere.prerm
new file mode 100755
index 0000000..1a5135a
--- /dev/null
+++ b/packaging/debian/monkeysphere.prerm
@@ -0,0 +1,36 @@
+#!/bin/sh -e
+
+# prerm script for monkeysphere
+
+# the only thing we're doing here is making sure that the local
+# administrator is not trying to downgrade to a version below 0.23,
+# since there was such a major reorganization of system data during
+# the transition to 0.23.
+
+# Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
+# Copyright 2009
+
+set -e
+
+case "$1" in
+ upgrade)
+ if dpkg --compare-versions "$2" lt 0.23 ; then
+ cat >&2 <<EOF
+
+Downgrading the monkeysphere to a version earlier than 0.23 can have
+BAD CONSEQUENCES, including potentially locking you out of the system.
+Downgrading in this fashion is NOT SUPPORTED.
+
+EOF
+
+ exit 1
+ fi
+ ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0