docker: Fix handling of PCAP variable (fixes #8567) (#8568)

This correctly handles the absense of the PCAP environment variable, which was broken in the previous change.
2022-10-02 08:50:27 +02:00
parent 1e652de5af
commit a206366d10
2 changed files with 2 additions and 2 deletions
@@ -4,7 +4,7 @@ set -eu

 if [ "$(id -u)" = '0' ]; then
  binary="$1"
-  if [ "$PCAP" == "" ] ; then
+  if [ "${PCAP:-}" == "" ] ; then
    # If Syncthing should have no extra capabilities, make sure to remove them
    # from the binary. This will fail with an error if there are no
    # capabilities to remove, hence the || true etc.