86 lines
2.3 KiB
Bash
86 lines
2.3 KiB
Bash
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#!/bin/bash -e
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TARGET_REMOTE=upstream
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KEYCLOAK_REPO=https://github.com/keycloak/keycloak
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PR=$1
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TARGET=$2
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function echo_header() {
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echo ""
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echo "======================================================================="
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echo "$1"
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echo "-----------------------------------------------------------------------"
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}
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function error() {
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echo "======================================================================="
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echo "Error"
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echo "-----------------------------------------------------------------------"
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echo "$1"
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echo ""
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exit 1
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}
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if ! [ -x "$(command -v gh)" ]; then
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error "The GitHub CLI is not installed. See: https://github.com/cli/cli#installation"
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fi
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if ! [ -x "$(command -v jq)" ]; then
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error "The jq CLI is not installed. See: https://jqlang.github.io/jq/download/"
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fi
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if [ "$PR" == "" ] || [ "$TARGET" == "" ]; then
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error "Usage: gh-backport-pr.sh <PR NUMBER> <TARGET MAJOR.MINOR>"
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fi
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TARGET_BRANCH=release/$TARGET
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echo_header "Fetching '$TARGET_REMOTE' remote."
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git fetch $TARGET_REMOTE
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PR_STATE=$(gh pr view $PR --json state 2>/dev/null | jq -r .state)
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if [ "$PR_STATE" == "" ]; then
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error "PR #$PR not found. Make sure the PR exists, and that it's been merged."
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elif [ "$PR_STATE" != "MERGED" ]; then
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error "PR #$PR not merged yet. Only merged PRs can be backported."
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fi
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MERGE_COMMIT=$(gh pr view $PR --json mergeCommit | jq -r .mergeCommit.oid)
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if [ "$MERGE_COMMIT" == "" ]; then
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error "Could not resolve merge commit for PR #$PR"
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fi
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PR_BRANCH=backport-$PR-$TARGET
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PR_BODY=$(gh pr view $PR --json body | jq -r .body)
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echo_header "Details"
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echo "PR Body: $PR_BODY"
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echo ""
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echo "PR: $KEYCLOAK_REPO/pull/$PR"
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echo "Commit: $KEYCLOAK_REPO/commit/$MERGE_COMMIT"
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echo ""
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echo "PR branch: $PR_BRANCH"
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echo "Target branch: $KEYCLOAK_REPO/tree/$TARGET_BRANCH"
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echo ""
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echo -n "Continue (y/n): "
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read PROMPT
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if [ "$PROMPT" != "y" ]; then
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exit 1
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fi
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echo_header "Checkout '$TARGET_REMOTE/$TARGET_BRANCH' to '$PR_BRANCH'"
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git checkout $TARGET_REMOTE/$TARGET_BRANCH -B $PR_BRANCH
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echo_header "Cherry-pick $MERGE_COMMIT"
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git cherry-pick $MERGE_COMMIT
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echo_header "Push '$PR_BRANCH' to 'origin' remote"
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git push origin $PR_BRANCH:$PR_BRANCH --set-upstream
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echo_header "Opening web browser to create pull request"
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gh pr create -B $TARGET_BRANCH -f -w
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