Don't overwrite existing rcynic crontab. Fixes #493.

svn path=/trunk/; revision=5216

1 files changed, 6 insertions, 7 deletions

diff --git a/buildtools/debian-skeleton/rpki-rp.postinst b/buildtools/debian-skeleton/rpki-rp.postinst
index b343f2a2..63720f13 100644
--- a/buildtools/debian-skeleton/rpki-rp.postinst
+++ b/buildtools/debian-skeleton/rpki-rp.postinst
@@ -31,13 +31,12 @@ setup_rcynic_group() {
 # on repositories, which is why we don't just use a package crontab.
 
 setup_rcynic_cron() {
-    crontab -l -u rcynic 2>/dev/null |
-    awk -v t=`hexdump -n 2 -e '"%u\n"' /dev/urandom` '
-        BEGIN { cmd = "exec /usr/bin/rcynic-cron" }
-	$0 !~ cmd { print }
-	END { printf "%u * * * *\t%s\n", t % 60, cmd }
-    ' |
-    crontab -u rcynic -
+    if test "X`crontab -l -u rcynic 2>/dev/null`" = "X"
+    then
+	awk -v t=`hexdump -n 2 -e '"%u\n"' /dev/urandom` '
+            BEGIN {printf "%u * * * *\texec /usr/bin/rcynic-cron\n", t % 60}' |
+	crontab -u rcynic -
+    fi
 }
 
 setup_rpki_rtr_listener() {