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| 1 | +#!/bin/bash |
| 2 | + |
| 3 | +# Usage: generate_patch_release_notes.sh |
| 4 | +# |
| 5 | +# Generates and creates commits for GCP CSI driver patch release notes. |
| 6 | +# |
| 7 | +# Required environment variables: |
| 8 | +# CSI_RELEASE_TOKEN: Github token needed for generating release notes |
| 9 | +# |
| 10 | +# Prerequisites: |
| 11 | +# - This script creates and deletes the origin/changelog branch in your git |
| 12 | +# workspace. Make sure you are not using the branch for anything else. |
| 13 | +# |
| 14 | +# Instructions: |
| 15 | +# 1. Update the versions in the $releases array |
| 16 | +# 2. Set environment variables |
| 17 | +# 3. Run the script |
| 18 | +# 4. The script pushes the commits to your origin/changelog branch |
| 19 | +# 5. Make any modifications as needed |
| 20 | +# 6. Create a PR |
| 21 | +# |
| 22 | +# Caveats: |
| 23 | +# - This script doesn't handle regenerating and updating existing branches. |
| 24 | +# - The "--start-rev" option in the release-notes generator is inclusive, which |
| 25 | +# causes the last commit from the last patch to show up in the release notes (if |
| 26 | +# there was a release note). This needs to be manually modified until a solution is found. |
| 27 | + |
| 28 | +set -e |
| 29 | +set -x |
| 30 | + |
| 31 | +repo="gcp-compute-persistent-disk-csi-driver" |
| 32 | +releases=( |
| 33 | + "1.12.5" |
| 34 | + "1.11.7" |
| 35 | + "1.10.12" |
| 36 | + "1.9.14" |
| 37 | + "1.8.18" |
| 38 | + "1.7.19" |
| 39 | +) |
| 40 | + |
| 41 | +function gen_patch_relnotes() { |
| 42 | + rm out.md || true |
| 43 | + rm -rf /tmp/k8s-repo || true |
| 44 | + GITHUB_TOKEN=$CSI_RELEASE_TOKEN \ |
| 45 | + release-notes --start-rev=$3 --end-rev=$2 --branch=$2 \ |
| 46 | + --org=kubernetes-sigs --repo=$1 \ |
| 47 | + --required-author="" --markdown-links --output out.md |
| 48 | +} |
| 49 | + |
| 50 | +script_dir="$(dirname "$(readlink -f "$0")")" |
| 51 | +pushd "$script_dir/../CHANGELOG" |
| 52 | + |
| 53 | +# Create branch |
| 54 | +git fetch upstream |
| 55 | +git checkout master |
| 56 | +git rebase upstream/master |
| 57 | + |
| 58 | +branch="changelog" |
| 59 | +if [ `git rev-parse --verify "$branch" 2>/dev/null` ]; then |
| 60 | + git branch -D "$branch" |
| 61 | +fi |
| 62 | +git checkout -b $branch |
| 63 | + |
| 64 | +for version in "${releases[@]}"; do |
| 65 | + # Parse minor and patch version |
| 66 | + minorPatchPattern="(^[[:digit:]]+\.[[:digit:]]+)\.([[:digit:]]+)" |
| 67 | + [[ "$version" =~ $minorPatchPattern ]] |
| 68 | + minor="${BASH_REMATCH[1]}" |
| 69 | + patch="${BASH_REMATCH[2]}" |
| 70 | + |
| 71 | + echo $repo $version $minor $patch |
| 72 | + newVer="v$minor.$patch" |
| 73 | + prevPatch="$(($patch-1))" |
| 74 | + prevVer="v$minor.$prevPatch" |
| 75 | + |
| 76 | + # Generate release notes |
| 77 | + gen_patch_relnotes $repo release-$minor $prevVer |
| 78 | + cat > tmp.md <<EOF |
| 79 | +# $newVer - Changelog since $prevVer |
| 80 | +
|
| 81 | +EOF |
| 82 | + |
| 83 | + cat out.md >> tmp.md |
| 84 | + echo >> tmp.md |
| 85 | + echo >> tmp.md |
| 86 | + |
| 87 | + file="CHANGELOG-$minor.md" |
| 88 | + cat $file >> tmp.md |
| 89 | + mv tmp.md $file |
| 90 | + |
| 91 | + git add -u |
| 92 | + git commit -m "Add changelog for $version" |
| 93 | +done |
| 94 | + |
| 95 | +git push -f origin $branch |
| 96 | + |
| 97 | +popd |
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