mirror of
https://github.com/ceph/ceph-csi.git
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66 lines
2.4 KiB
Bash
Executable File
66 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2017 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# overall flow
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# 1. fetch the current level of k8s.io/kubernetes
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# 2. check out the k8s.io/kubernetes HEAD into a separate branch
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# 3. rewrite the history on that branch to *only* include staging/src/k8s.io/apimachinery
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# 4. locate all commits between the last time we sync'ed and now
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# 5. switch back to the starting branch
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# 6. for each commit, cherry-pick it (which will keep authorship) into current branch
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# 7. update metadata files indicating which commits we've sync'ed to
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set -e
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ROOT=$(dirname "${BASH_SOURCE}")/..
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dir=$(mktemp -d "${TMPDIR:-/tmp/}$(basename 0).XXXXXXXXXXXX")
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git remote add upstream-kube git@github.com:kubernetes/kubernetes.git || true
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git fetch upstream-kube
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currBranch=$(git rev-parse --abbrev-ref HEAD)
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previousKubeSHA=$(cat kubernetes-sha)
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previousBranchSHA=$(cat filter-branch-sha)
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git branch -D kube-sync || true
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git checkout upstream-kube/master -b kube-sync
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git reset --hard upstream-kube/master
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newKubeSHA=$(git log --oneline --format='%H' kube-sync -1)
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# this command rewrite git history to *only* include staging/src/k8s.io/apimachinery
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git filter-branch -f --subdirectory-filter staging/src/k8s.io/apimachinery HEAD
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newBranchSHA=$(git log --oneline --format='%H' kube-sync -1)
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git log --no-merges --format='%H' --reverse ${previousBranchSHA}..HEAD > ${dir}/commits
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git checkout ${currBranch}
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while read commitSHA; do
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echo "working ${commitSHA}"
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git cherry-pick ${commitSHA}
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done <${dir}/commits
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# update the vendored godeps
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${ROOT}/hack/godep-deps.sh
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# track the k8s.io/kubernetes commit SHA so we can always determine which level of kube this repo matches
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# track the filtered branch commit SHA so that we can determine which commits need to be picked
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echo ${newKubeSHA} > kubernetes-sha
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echo ${newBranchSHA} > filter-branch-sha
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git commit -m "sync(k8s.io/kubernetes): ${newKubeSHA}" -- kubernetes-sha filter-branch-sha
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