debian/i3status.postinst: Check if setcap is there, print info message if not (Thanks...

[i3/i3status] / debian / i3status.postinst

diff --git a/debian/i3status.postinst b/debian/i3status.postinst
index bf67a488c0da64a5c48f4df914a6d760b99b0f2f..6507da8c75f6a4edd26c78b8c82c855656483612 100644 (file)
--- a/debian/i3status.postinst
+++ b/debian/i3status.postinst
@@ -1,6 +1,18 @@
 #!/bin/sh
 
+set -e
+
 # Allow users to get the speed of ethernet interfaces. This is not a security
 # issue as i3status only queries the speed, it does not change any
 # configuration.
-setcap cap_net_admin=ep /usr/bin/i3status || true
+if [ -x /sbin/setcap ]
+then
+       setcap cap_net_admin=ep /usr/bin/i3status || true
+else
+       echo "setcap(8) not installed. You need to set CAP_NET_ADMIN \
+to be able to query the network link bandwidth without root privileges."
+fi
+
+#DEBHELPER#
+
+exit 0