angular-cn/aio/scripts/deploy-to-firebase.sh
George Kalpakas 2021ad12cf ci(docs-infra): skip deploying RC version when lexicographically smaller than stable (#37426)
The angular.io production deployment script (`deploy-to-firebase.sh`)
compares the major version corresponding to the current branch (e.g.
`8` for branch `8.1.x`) against the major stable version (e.g. `9` if
the current stable version is `9.1.0`). It then uses the result of that
comparison to determine whether the current branch corresponds to a
newer version than stable (i.e. an RC version) and thus should not be
deployed or to an older version and thus may need to be deployed to an
archive vX.angular.io project.

Previously, the script was using string comparison (`<`) to compare the
two major versions. This could produce incorrect results for an RC major
version that is numerically greater than the stable but
lexicographically smaller. For example, 10 vs 9 (10 is numerically
greater but lexicographically smaller than 9).
Example of a CI job that incorrectly tried to deploy an RC branch to
production: https://circleci.com/gh/angular/angular/726414

This commit fixes it by switching to an integer comparison (i.e. using
the `-lt` operator).

PR Close #37426
2020-06-04 09:17:29 -07:00

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#!/usr/bin/env bash
# WARNING: CI_SECRET_AIO_DEPLOY_FIREBASE_TOKEN should NOT be printed.
set +x -eu -o pipefail
# Do not deploy if we are running in a fork.
if [[ "$CI_REPO_OWNER/$CI_REPO_NAME" != "angular/angular" ]]; then
echo "Skipping deploy because this is not angular/angular."
exit 0
fi
# Do not deploy if this is a PR. PRs are deployed in the `aio_preview` CircleCI job.
if [[ $CI_PULL_REQUEST != "false" ]]; then
echo "Skipping deploy because this is a PR build."
exit 0
fi
# Do not deploy if the current commit is not the latest on its branch.
readonly latestCommit=$(git ls-remote origin $CI_BRANCH | cut -c1-40)
if [[ $CI_COMMIT != $latestCommit ]]; then
echo "Skipping deploy because $CI_COMMIT is not the latest commit ($latestCommit)."
exit 0
fi
# The deployment mode is computed based on the branch we are building
if [[ $CI_BRANCH == master ]]; then
readonly deployEnv=next
elif [[ $CI_BRANCH == $CI_STABLE_BRANCH ]]; then
readonly deployEnv=stable
else
# Extract the major versions from the branches, e.g. the 4 from 4.3.x
readonly majorVersion=${CI_BRANCH%%.*}
readonly majorVersionStable=${CI_STABLE_BRANCH%%.*}
# Do not deploy if the major version is not less than the stable branch major version
if [[ !( "$majorVersion" -lt "$majorVersionStable" ) ]]; then
echo "Skipping deploy of branch \"$CI_BRANCH\" to firebase."
echo "We only deploy archive branches with the major version less than the stable branch: \"$CI_STABLE_BRANCH\""
exit 0
fi
# Find the branch that has highest minor version for the given `$majorVersion`
readonly mostRecentMinorVersion=$(
# List the branches that start with the major version
git ls-remote origin refs/heads/${majorVersion}.*.x |
# Extract the version number
awk -F'/' '{print $3}' |
# Sort by the minor version
sort -t. -k 2,2n |
# Get the highest version
tail -n1
)
# Do not deploy as it is not the latest branch for the given major version
if [[ $CI_BRANCH != $mostRecentMinorVersion ]]; then
echo "Skipping deploy of branch \"$CI_BRANCH\" to firebase."
echo "There is a more recent branch with the same major version: \"$mostRecentMinorVersion\""
exit 0
fi
readonly deployEnv=archive
fi
case $deployEnv in
next)
readonly projectId=aio-staging
readonly deployedUrl=https://next.angular.io/
readonly firebaseToken=$CI_SECRET_AIO_DEPLOY_FIREBASE_TOKEN
;;
stable)
readonly projectId=angular-io
readonly deployedUrl=https://angular.io/
readonly firebaseToken=$CI_SECRET_AIO_DEPLOY_FIREBASE_TOKEN
;;
archive)
readonly projectId=v${majorVersion}-angular-io
readonly deployedUrl=https://v${majorVersion}.angular.io/
readonly firebaseToken=$CI_SECRET_AIO_DEPLOY_FIREBASE_TOKEN
;;
esac
echo "Git branch : $CI_BRANCH"
echo "Build/deploy mode : $deployEnv"
echo "Firebase project : $projectId"
echo "Deployment URL : $deployedUrl"
if [[ ${1:-} == "--dry-run" ]]; then
exit 0
fi
# Deploy
(
cd "`dirname $0`/.."
# Build the app
yarn build --configuration=$deployEnv --progress=false
# Include any mode-specific files
cp -rf src/extra-files/$deployEnv/. dist/
# Set deployedUrl as parameter in the opensearch description
# deployedUrl must end with /
yarn set-opensearch-url $deployedUrl
# Check payload size
yarn payload-size
# Deploy to Firebase
yarn firebase use "$projectId" --token "$firebaseToken"
yarn firebase deploy --message "Commit: $CI_COMMIT" --non-interactive --token "$firebaseToken"
# Run PWA-score tests
yarn test-pwa-score "$deployedUrl" "$CI_AIO_MIN_PWA_SCORE"
)