move mkinitrd to /

Signed-off-by: Justin Cormack <justin@specialbusservice.com>

alpine/Dockerfile

@@ -11,7 +11,6 @@ COPY etc /etc/
 RUN mkdir -p /etc/docker
 
 ADD kernel/$ARCH/aufs-utils.tar /
-COPY mkinitrd.sh /bin/
 COPY kernel/$ARCH/kernel-source-info /etc/
 ADD kernel/$ARCH/kernel-patches.tar /etc/kernel-patches
 ADD kernel/$ARCH/kernel-modules.tar /
@@ -90,6 +89,7 @@ RUN \
   true
 
 COPY init /
+COPY mkinitrd.sh /
 
 RUN adduser -D -H -s /sbin/nologin dockremap
 

alpine/Makefile

@@ -8,7 +8,7 @@ initrd.img: Dockerfile mkinitrd.sh init $(ETCFILES)
 	$(MAKE) -j -C packages
 	$(MAKE) -C kernel
 	docker build -t moby-initrd:build .
-	docker run --net=none --rm moby-initrd:build /bin/mkinitrd.sh > $@
+	docker run --net=none --rm moby-initrd:build /mkinitrd.sh > $@
 
 initrd.img.gz: initrd.img
 	cat initrd.img | gzip -9 > initrd.img.gz

alpine/mkinitrd.sh

@@ -32,7 +32,7 @@ EOF
 
 printf 'moby' > /tmp/etc/hostname
 
-rm /tmp/bin/mkinitrd.sh
+rm /tmp/mkinitrd.sh
 
 cd /tmp
 find . | cpio -H newc -o