Nathan Cutler
5c393da7ca
OBS-URL: https://build.opensuse.org/package/show/filesystems:ceph/ceph?expand=0&rev=60
49 lines
2.3 KiB
Bash
49 lines
2.3 KiB
Bash
# Don't run this manually. It's only here to be invoked inside the
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# git checkout during `osc service dr`. Here's why:
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#
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# - cmake, when it runs to set up the build system, in turn invokes
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# git to set CEPH_GIT_VER and CEPH_GIT_NICE_VER (src/CMakeLists.txt
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# line 237+).
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# - Those two variables are substituted into src/ceph_ver.h.in.cmake,
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# generating build/src/include/ceph_ver.h.
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# - When cmake is run inside OBS, it's working off a tarball, so
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# there's no git repo information, so CEPH_GIT_VER ends up set to
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# GITDIR-NOTFOUND, which breaks the build.
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# - cmake *really* wants to be run from a git source checkout (at
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# least insofar as getting the version stuff set up goes).
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#
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# This script uses the old src/make_version script to generate
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# src/.git_version (which has the git commit hash on the first line
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# and the pretty version on the second), then sed's these two values
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# into src/ceph_ver.h.in.cmake in place of @CEPH_GIT_VER@ and
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# @CEPH_GIT_NICE_VER@, so when cmake later runs as part of the build,
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# it ends up (effectively) just copying that file to
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# build/src/include/ceph_ver.h. It doesn't matter that cmake will
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# still internally set CEPH_GIT_VER and CEPH_GIT_NICE_VER to bogus
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# values, because we've already done the variable substitution.
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#
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# This script is invoked from the _service file via:
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#
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# <param name="commandtorun">sh ../../../ceph_ver_hack.sh</param>
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#
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# It works because the cloned git source ends up three directories
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# under the OBS source checkout. I had previously tried to do the
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# below three commands directly inside the "comandtorun" parameter,
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# as follows:
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#
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# <param name="commandtorun">sh -c 'src/make_version -g src/.git_version ; sed -i \"s/@CEPH_GIT_VER@/$(head -n1 src/.git_version)/\" src/ceph_ver.h.in.cmake ; sed -i \"s/@CEPH_GIT_NICE_VER@/$(tail -n1 src/.git_version)/\" src/ceph_ver.h.in.cmake'</param>
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#
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# ...but that doesn't work, because obs-service-tar_scm runs
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# str.split() on it, which splits on whitespace and thus totally
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# breaks the big long string I'm trying to pass to `sh -c`.
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#
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# This is the nastiest hack I've written in recent memory. I'm
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# very, very sorry.
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#
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# -- Tim Serong <tserong@suse.com>
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#
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src/make_version -g src/.git_version
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sed -i "s/@CEPH_GIT_VER@/$(head -n1 src/.git_version)/" src/ceph_ver.h.in.cmake
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sed -i "s/@CEPH_GIT_NICE_VER@/$(tail -n1 src/.git_version)/" src/ceph_ver.h.in.cmake
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