Fix Docker push (#3796)

ci/lib.sh

@@ -62,7 +62,7 @@ get_artifacts_url() {
   artifacts_url=$(gh api "$workflow_runs_url" | jq -r ".workflow_runs[] | select(.head_branch == \"$version_branch\") | .artifacts_url" | head -n 1)
   if [[ -z "$artifacts_url" ]]; then
     echo >&2 "ERROR: artifacts_url came back empty"
-    echo >&2 "We looked for a successful run triggered by a pull_request with for code-server version: $code_server_version and a branch named $version_branch"
+    echo >&2 "We looked for a successful run triggered by a pull_request with for code-server version: $VERSION and a branch named $version_branch"
     echo >&2 "URL used for gh API call: $workflow_runs_url"
     exit 1
   fi

ci/steps/brew-bump.sh

@@ -19,10 +19,10 @@ main() {
   echo "Adding Homebrew/homebrew-core as $(upstream)"
   git remote add upstream https://github.com/Homebrew/homebrew-core.git
 
-  echo "Fetching upstream commits..."
+  echo "Fetching upstream Homebrew/hombrew-core commits"
   git fetch upstream
 
-  echo "Merging in latest changes"
+  echo "Merging in latest Homebrew/homebrew-core changes"
   git merge upstream/master
 
   echo "Pushing changes to cdrci/homebrew-core fork on GitHub"
@@ -37,7 +37,15 @@ main() {
 
   # Find the docs for bump-formula-pr here
   # https://github.com/Homebrew/brew/blob/master/Library/Homebrew/dev-cmd/bump-formula-pr.rb#L18
-  brew bump-formula-pr --force --version="${VERSION}" code-server --no-browse --no-audit
+  local output
+  if ! output=$(brew bump-formula-pr --version="${VERSION}" code-server --no-browse --no-audit 2>&1); then
+    if [[ $output == *"Duplicate PRs should not be opened"* ]]; then
+      echo "$VERSION is already submitted"
+    else
+      echo "$output"
+      exit 1
+    fi
+  fi
 
   # Clean up and remove homebrew-core
   cd ..

ci/steps/publish-npm.sh

@@ -5,6 +5,14 @@ main() {
   cd "$(dirname "$0")/../.."
   source ./ci/lib.sh
 
+  # npm view won't exit with non-zero so we have to check the output.
+  local hasVersion
+  hasVersion=$(npm view "code-server@$VERSION" version)
+  if [[ $hasVersion == "$VERSION" ]]; then
+    echo "$VERSION is already published"
+    return
+  fi
+
   if [[ ${CI-} ]]; then
     echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc
   fi

ci/steps/push-docker-manifest.sh

@@ -1,37 +1,54 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
+# See if this version already exists on Docker Hub.
+function version_exists() {
+  local output
+  output=$(curl --silent "https://index.docker.io/v1/repositories/codercom/code-server/tags/$VERSION")
+  if [[ $output == "Tag not found" ]]; then
+    return 1
+  else
+    return 0
+  fi
+}
+
+# Import and push the Docker image for the provided arch.
+push() {
+  local arch=$1
+  local tag="codercom/code-server-$arch:$VERSION"
+
+  docker import "./release-images/code-server-$arch-$VERSION.tar" "$tag"
+
+  # We have to ensure the images exists on the remote registry in order to build
+  # the manifest. We don't put the arch in the tag to avoid polluting the main
+  # repository. These other repositories are private so they don't pollute our
+  # organization namespace.
+  docker push "$tag"
+
+  export DOCKER_CLI_EXPERIMENTAL=enabled
+
+  docker manifest create "codercom/code-server:$VERSION" \
+    "codercom/code-server-$arch:$VERSION" \
+    "codercom/code-server-$arch:$VERSION"
+  docker manifest push --purge "codercom/code-server:$VERSION"
+}
+
 main() {
   cd "$(dirname "$0")/../.."
   source ./ci/lib.sh
 
+  if version_exists; then
+    echo "$VERSION is already pushed"
+    return
+  fi
+
   download_artifact release-images ./release-images
   if [[ ${CI-} ]]; then
     echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
   fi
 
-  for img in ./release-images/*; do
-    docker load -i "$img"
-  done
-
-  # We have to ensure the amd64 and arm64 images exist on the remote registry
-  # in order to build the manifest.
-  # We don't put the arch in the tag to avoid polluting the main repository.
-  # These other repositories are private so they don't pollute our organization namespace.
-  docker push "codercom/code-server-amd64:$VERSION"
-  docker push "codercom/code-server-arm64:$VERSION"
-
-  export DOCKER_CLI_EXPERIMENTAL=enabled
-
-  docker manifest create "codercom/code-server:$VERSION" \
-    "codercom/code-server-amd64:$VERSION" \
-    "codercom/code-server-arm64:$VERSION"
-  docker manifest push --purge "codercom/code-server:$VERSION"
-
-  docker manifest create "codercom/code-server:latest" \
-    "codercom/code-server-amd64:$VERSION" \
-    "codercom/code-server-arm64:$VERSION"
-  docker manifest push --purge "codercom/code-server:latest"
+  push "amd64"
+  push "arm64"
 }
 
 main "$@"