build: use dgit for download target

since it has all the necessary wrapping to download and verify dscs from
arbitraty repositories, without being affected by the system's APT state
and configuration.

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

Makefile

@@ -99,15 +99,16 @@ ${DSC}: ${BUILDSRC}
 	cd ${BUILDSRC}; dpkg-buildpackage -S -uc -us -d -nc
 	@echo ${DSC}
 
+# NOTE: always downloads latest version!
 .PHONY: download
 download:
-	# FIXME: better verification (download dsc and use dscverify with ceph.com release key?)
-	dget --allow-unauthenticated --download-only 'https://download.ceph.com/debian-nautilus/pool/main/c/ceph/ceph_${VER}.orig.tar.gz'
 	rm -rf ${SRCDIR}.tmp ${SRCDIR}
-	mkdir ${SRCDIR}.tmp
-	tar -C ${SRCDIR}.tmp --strip-components=1 -xf ceph_${VER}.orig.tar.gz
-	# needed because boost and zstd builds fail otherwise
-	find ${SRCDIR}.tmp -type f -name ".gitignore" -delete
+	dgit -cdgit-distro.ceph.archive-query=aptget: -cdgit-distro.ceph.mirror=http://download.ceph.com/debian-nautilus -cdgit-distro.ceph.git-check=false --apt-get:--option=Dir::Etc::Trusted=${CURDIR}/upstream-key.asc -d ceph clone ceph xenial ./${SRCDIR}.tmp
+	@echo "WARNING"
+	@echo "Check output above for verification errors!"
+	@echo "WARNING"
+	rm -rf ${SRCDIR}.tmp/.git
+	find ${SRCDIR}.tmp/ -type f -name '.gitignore' -delete
 	mv ${SRCDIR}.tmp/debian/changelog ${SRCDIR}.tmp/changelog.upstream
 	mv ${SRCDIR}.tmp ${SRCDIR}
 

upstream-key.asc

@@ -0,0 +1,29 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1
+
+mQINBFX4hgkBEADLqn6O+UFp+ZuwccNldwvh5PzEwKUPlXKPLjQfXlQRig1flpCH
+E0HJ5wgGlCtYd3Ol9f9+qU24kDNzfbs5bud58BeE7zFaZ4s0JMOMuVm7p8JhsvkU
+C/Lo/7NFh25e4kgJpjvnwua7c2YrA44ggRb1QT19ueOZLK5wCQ1mR+0GdrcHRCLr
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+u72qDRFBnR3jaoFqi03bGBIMnglGuAPyBZiI7LJgzuT9xumjKTJW3kN4YJxMNYu1
+FzmIyFZpyvZ7930vB2UpCOiIaRdZiX4Z6ZN2frD3a/vBxBNqiNh/BO+Dex+PDfI4
+TqwF8zlcjt4XZ2teQ8nNMR/D8oiYTUW8hwR4laEmDy7ASxe0p5aijmUApWq5UTsF
++s/QbwugccU0iR5orksM5u9MZH4J/mFGKzOltfGXNLYI6D5Mtwrnyi0BsF5eY0u6
+vkdivtdqrq2DXY+ftuqLOQ7b+t1RctbcMHGPptlxFuN9ufP5TiTWSpfqDwmHCLsT
+k2vFiMwcHdLpQ1IH8ORVRgPPsiBnBOJ/kIiXG2SxPUTjjEGOVgeA
+=/Tod
+-----END PGP PUBLIC KEY BLOCK-----