use readlink instead of realpath as it seems to be more portable

synapse/install.sh

@@ -5,7 +5,7 @@ SERVER_DIR=installations/$INSTALLATION_NAME
 CONFIG_TEMPLATE=consent
 PORT=8008
 # set current directory to script directory
-BASE_DIR=$(realpath $(dirname $0))
+BASE_DIR=$(readlink -f $(dirname $0))
 
 if [[ -d $BASE_DIR/$SERVER_DIR ]]; then
 	echo "synapse is already installed"

synapse/start.sh

@@ -1,4 +1,4 @@
-BASE_DIR=$(realpath $(dirname $0))
+BASE_DIR=$(readlink -f $(dirname $0))
 cd $BASE_DIR
 cd installations/consent
 source env/bin/activate

synapse/stop.sh

@@ -1,4 +1,4 @@
-BASE_DIR=$(realpath $(dirname $0))
+BASE_DIR=$(readlink -f $(dirname $0))
 cd $BASE_DIR
 cd installations/consent
 source env/bin/activate