boxes: Implement make clean

boxes/Makefile

@@ -12,5 +12,8 @@ $(UBUNTU_BOXES):
 	@sudo chmod +rw $(PACKAGE)
 
 clean:
-	@echo "Implement clean"
-	@exit 1
+	@for r in $(UBUNTU_BOXES); do \
+		sudo -E ./clean.sh $${r}\
+		                   vagrant-lxc-base-$${r}-amd64-${TODAY} \
+				               output/vagrant-lxc-$${r}-amd64-${TODAY}.box; \
+		done

boxes/clean.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+source common/ui.sh
+
+export RELEASE=$1
+export CONTAINER=$2
+export PACKAGE=$3
+export LOG=$(readlink -f .)/log/${CONTAINER}.log
+
+info "Cleaning ${RELEASE} artifacts..."
+
+# If container exists, check if want to continue
+if $(lxc-ls | grep -q ${CONTAINER}); then
+  log "Removing '${CONTAINER}' container"
+  lxc-stop -n ${CONTAINER} &>/dev/null || true
+  lxc-destroy -n ${CONTAINER}
+else
+  log "The container '${CONTAINER}' does not exist"
+fi
+
+if [ -e ${PACKAGE} ]; then
+  log "Removing '${PACKAGE}'"
+  rm -f ${PACKAGE}
+else
+  log "The package '${PACKAGE}' does not exist"
+fi

boxes/mk-ubuntu.sh

@@ -36,5 +36,5 @@ info "Building box to '${PACKAGE}'..."
 ./common/package.sh ${CONTAINER} ${PACKAGE}
 
 info "Finished building '${PACKAGE}'!"
-log "Run \`sudo lxc-destroy -n ${CONTAINER}\` to remove the container that was created along the way"
+log "Run \`sudo lxc-destroy -n ${CONTAINER}\` or \`make clean\` to remove the container that was created along the way"
 echo