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https://github.com/ostreedev/ostree.git
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c0a715f1e2
We were missing the simple, obvious API and CLI to go from ostree commit -> composefs. Internally, we had `ostree_repo_checkout_composefs` with the right "shape" mostly, except it had more code in the deploy path to turn that into a composefs. Add a straightforward public API that does what the deploy code did before, and then the old API becomes an explicitly internal helper with an `_` prefix. Goals: - Lead towards a composefs-oriented future - This makes the composefs logic more testable directly Signed-off-by: Colin Walters <walters@verbum.org>
52 lines
2.2 KiB
Bash
Executable File
52 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# SPDX-License-Identifier: LGPL-2.0+
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see <https://www.gnu.org/licenses/>.
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set -euo pipefail
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. $(dirname $0)/libtest.sh
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skip_without_ostree_feature composefs
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skip_without_user_xattrs
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setup_test_repository "bare-user"
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cd ${test_tmpdir}
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$OSTREE checkout test2 test2-co
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rm test2-co/whiteouts -rf # This may or may not exist
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COMMIT_ARGS="--owner-uid=0 --owner-gid=0 --no-xattrs --canonical-permissions"
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$OSTREE commit ${COMMIT_ARGS} -b test-composefs --generate-composefs-metadata test2-co
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# If the test fails we'll dump this out
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$OSTREE ls -RCX test-composefs /
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orig_composefs_digest=$($OSTREE show --print-hex --print-metadata-key ostree.composefs.digest.v0 test-composefs)
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$OSTREE commit ${COMMIT_ARGS} -b test-composefs2 --generate-composefs-metadata test2-co
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new_composefs_digest=$($OSTREE show --print-hex --print-metadata-key ostree.composefs.digest.v0 test-composefs2)
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assert_streq "${orig_composefs_digest}" "${new_composefs_digest}"
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assert_streq "${new_composefs_digest}" "be956966c70970ea23b1a8043bca58cfb0d011d490a35a7817b36d04c0210954"
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tap_ok "composefs metadata"
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rm test2-co -rf
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$OSTREE checkout --composefs test-composefs test2-co.cfs
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digest=$(sha256sum < test2-co.cfs | cut -f 1 -d ' ')
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# This file should be reproducible bit for bit across environments; per above
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# we're operating on predictable data (fixed uid, gid, timestamps, xattrs, permissions).
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assert_streq "${digest}" "031fab2c7f390b752a820146dc89f6880e5739cba7490f64024e0c7d11aad7c9"
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# Verify it with composefs tooling
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composefs-info dump test2-co.cfs >/dev/null
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tap_ok "checkout composefs"
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tap_end
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