bin/run-mirrors: Use id(1) to find current user name.

USER isn't set by sudo(8) -- at least in my configuration.

diff --git a/bin/run-mirrors b/bin/run-mirrors
index ec43009..c69b903 100755 (executable)
--- a/bin/run-mirrors
+++ b/bin/run-mirrors
@@ -3,7 +3,7 @@
 set -e
 
 ## Make sure we're running as the right user.
-case "$USER" in
+case $(id -un) in
   mirror) ;;
   *) exec userv -fstdin=/dev/null mirror run ;;
 esac