Added trap to clean up

copy_to_servers.sh

@@ -5,20 +5,34 @@ WHEREAMI="$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-$0}"; )" &> /dev/null && pw
 #Get all the target servers
 SERVERLIST=$(grep -v '#' "${WHEREAMI}/copy_to_servers.ini")
 
+[ -z "${SERVERLIST}" ] \
+  && echo "Server list empty." \
+  && exit 1
+
+#If you make it dirty, clean it up
+cleanup() {
+  if [[ -n "${TMP}" && -d "${TMP}" ]]; then
+    rm -rf "${TMP}"
+  fi
+}
+trap cleanup EXIT INT TERM
+
 #Find some tmpfs
 TMP=""
 if [ -e /dev/shm/ ] && [ "$(findmnt -n -o FSTYPE --target /dev/shm)" == "tmpfs" ]; then
-  TMP="$(mktemp -d -p /dev/shm/)/fun_with_env"
+  TMP="$(mktemp -d -p /dev/shm/)"
 else
-  TMP="$(mktemp -d)/fun_with_env"
+  TMP="$(mktemp -d)"
 fi
 
+FUNTMP="${TMP}/fun_with_env"
+
 #Prepare the files to copy over
-mkdir "${TMP}"
+mkdir "${FUNTMP}"
 cd "${WHEREAMI}" \
-  && git archive --format=tar HEAD | tar xf - -C "${TMP}"
+  && git archive --format=tar HEAD | tar xf - -C "${FUNTMP}"
 
 #Copy it
 for host in ${SERVERLIST}; do
-  rsync -az "${TMP}/" ${host}:~/.fun_with_env
+  rsync -az "${FUNTMP}/" ${host}:~/.fun_with_env
 done