qemu: Improve cache build

Add arguments and files as needed, if only of them
changes the build will start from the change and
not from scratch.

Signed-off-by: Carlos Venegas <jos.c.venegas.munoz@intel.com>

tools/packaging/static-build/qemu/Dockerfile

@@ -4,12 +4,6 @@
 # SPDX-License-Identifier: Apache-2.0
 from ubuntu:20.04
 
-ARG QEMU_DESTDIR
-ARG QEMU_REPO
-# commit/tag/branch
-ARG QEMU_VERSION
-ARG QEMU_TARBALL
-ARG PREFIX
 
 WORKDIR /root/qemu
 
@@ -55,15 +49,20 @@ RUN apt-get --no-install-recommends install -y \
 	    rsync \
 	    zlib1g-dev
 
+ARG QEMU_REPO
+
 RUN cd  .. && git clone "${QEMU_REPO}" qemu
+
+# commit/tag/branch
+ARG QEMU_VERSION
+
 RUN git checkout "${QEMU_VERSION}"
 RUN git clone https://github.com/qemu/capstone.git capstone
 RUN git clone https://github.com/qemu/keycodemapdb.git ui/keycodemapdb
 
 ADD scripts/configure-hypervisor.sh /root/configure-hypervisor.sh
 ADD qemu /root/kata_qemu
 ADD scripts/apply_patches.sh /root/apply_patches.sh
-ADD static-build /root/static-build
 
 RUN echo "Apply patches for base version"
 RUN stable_branch=$(cat VERSION | awk 'BEGIN{FS=OFS="."}{print $1 "." $2 ".x"}') && \
@@ -72,10 +71,15 @@ RUN stable_branch=$(cat VERSION | awk 'BEGIN{FS=OFS="."}{print $1 "." $2 ".x"}')
 RUN echo "Apply patches for specific qemu version"
 RUN /root/apply_patches.sh "/root/kata_qemu/patches/tag_patches/${QEMU_VERSION}"
 
+ARG PREFIX
 ARG BUILD_SUFFIX
 RUN PREFIX="${PREFIX}" /root/configure-hypervisor.sh -s "kata-qemu${BUILD_SUFFIX}" | xargs ./configure \
 	--with-pkgversion="kata-static${BUILD_SUFFIX}"
 
 RUN make -j$(nproc)
+ARG QEMU_DESTDIR
 RUN make install DESTDIR="${QEMU_DESTDIR}"
+ARG QEMU_TARBALL
+ADD static-build/scripts/qemu-build-post.sh /root/static-build/scripts/qemu-build-post.sh
+ADD static-build/qemu.blacklist /root/static-build/qemu.blacklist
 RUN /root/static-build/scripts/qemu-build-post.sh