mirror of https://github.com/ceph/ceph-ansible.git
93 lines
1.9 KiB
Bash
93 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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set -e
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shopt -s extglob # enable extended pattern matching features
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#############
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# VARIABLES #
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#############
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stable_branch=$1
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commit=$2
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bkp_branch_name=$3
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bkp_branch_name_prefix=bkp
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bkp_branch=$bkp_branch_name-$bkp_branch_name_prefix
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#############
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# FUNCTIONS #
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#############
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verify_commit () {
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for com in ${commit//,/ }; do
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if [[ $(git cat-file -t "$com" 2>/dev/null) != commit ]]; then
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echo "$com does not exist in your tree"
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echo "Run 'git fetch origin master && git pull origin master'"
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exit 1
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fi
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done
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}
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git_status () {
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if [[ $(git status --porcelain | wc -l) -gt 0 ]]; then
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echo "It looks like you have not committed changes:"
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echo ""
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git status --short
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echo ""
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echo ""
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echo "Press ENTER to continue or Ctrl+c to break."
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read -r
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fi
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}
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checkout () {
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git checkout --no-track -b "$bkp_branch" origin/"$stable_branch"
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}
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cherry_pick () {
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local x
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for com in ${commit//,/ }; do
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x="$x $com"
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done
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# Trim the first white space and use an array
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# Reference: https://github.com/koalaman/shellcheck/wiki/SC2086#exceptions
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x=(${x##*( )})
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git cherry-pick -x -s "${x[@]}"
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}
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push () {
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git push origin "$bkp_branch"
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}
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create_pr () {
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hub pull-request -h ceph/ceph-ansible:"$bkp_branch" -b "$stable_branch" -m "[skip ci] $bkp_branch"
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}
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cleanup () {
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echo "Moving back to previous branch"
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git checkout -
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git branch -D "$bkp_branch"
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}
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test_args () {
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if [ $# -ne 3 ]; then
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echo "Please run the script like this: ./contrib/backport_to_stable_branch.sh STABLE_BRANCH_NAME COMMIT_SHA1 BACKPORT_BRANCH_NAME"
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echo "We accept multiple commits as soon as they are commas-separated."
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echo "e.g: ./contrib/backport_to_stable_branch.sh stable-2.2 6892670d317698771be7e96ce9032bc27d3fd1e5,8756c553cc8c213fc4996fc5202c7b687eb645a3 my-work"
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exit 1
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fi
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}
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########
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# MAIN #
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########
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test_args "$@"
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git_status
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verify_commit
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checkout
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cherry_pick
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push
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create_pr
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cleanup
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