X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=debian%2Fion3.postinst;h=f8e8fd92d20d02d1d7bdbf2c6819b51d2fa61391;hb=16cce41ec7a846b99273dbee63f4d2ad16df5ffc;hp=00db80703556d134ddefd1fdfe577fc19132d019;hpb=471a5e5f9928e2d324b2e10422a420f458bd63ff;p=ion3.git

diff --git a/debian/ion3.postinst b/debian/ion3.postinst
index 00db807..f8e8fd9 100644
--- a/debian/ion3.postinst
+++ b/debian/ion3.postinst
@@ -1,5 +1,45 @@
 #!/bin/sh
 set -e
+. /usr/share/debconf/confmodule
+
+UPSTREAM_VERSION=
+DEBIAN_VERSION=
+
+if [ "$1" = configure ] \
+    && dpkg --compare-versions "$2" lt "$DEBIAN_VERSION"; then
+    # Installing for the first time or upgrading.
+    # To comply with the Ion trademark licence terms, we must ensure
+    # that this version is up-to-date or that the user acknowledges
+    # it is not.  I freely admit that this is a horrible abuse of
+    # debconf, but it seems slightly less unpleasant than maintaining
+    # a renamed version. - benh
+    uscan_output=$(uscan 2>&1 --no-conf --report-status \
+		   --package ion3 --upstream-version "$UPSTREAM_VERSION" \
+		   --watchfile /usr/share/ion3/debian/watch)
+    case "$uscan_output" in
+	*"up to date"*)
+	    question=''
+	    ;;
+	*"Newer version"*)
+	    question=ion3/acknowledge-outdated
+	    ;;
+	*)
+	    question=ion3/acknowledge-maybe-outdated
+	    ;;
+    esac
+    if [ -n "$question" ]; then
+	db_fset $question seen false
+	db_subst $question version $UPSTREAM_VERSION
+	db_input high $question || true
+	db_go || true
+	db_get $question
+	if [ "$RET" != true ]; then
+	    db_input high ion3/did-not-acknowledge-outdated || true
+	    db_go || true
+	    exit 1
+	fi
+    fi
+fi
 
 if [ -h /etc/X11/ion3/draw.lua ]; then
     rm -f /etc/X11/ion3/draw.lua