build: deploy screenshot functions (#4698)

* build: deploy screenshot functions

* Deploys the screenshot functions for push builds
* Runs deploying & publishing in parallel

* Fix comment about parallel

scripts/release/deploy-screenshot-functions.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Go to the project root directory
+cd $(dirname ${0})/../..
+
+# Install node modules for screenshot functions. Firebase CLI needs to execute the functions
+# before it can collect all functions and deploy them.
+(cd tools/screenshot-test/functions; npm install)
+
+if [ -z ${MATERIAL2_SCREENSHOT_ACCESS_TOKEN} ]; then
+  echo "Error: No access token for firebase specified." \
+       "Please set the environment variable 'MATERIAL2_SCREENSHOT_ACCESS_TOKEN'."
+  exit 1
+fi
+
+# Deploy the screenshot functions to Firebase
+$(npm bin)/firebase deploy --only functions --token ${MATERIAL2_SCREENSHOT_ACCESS_TOKEN}

scripts/release/publish-build-artifacts.sh

@@ -12,6 +12,9 @@ cd $(dirname ${0})/../..
 PACKAGES=(cdk material)
 REPOSITORIES=(cdk-builds material2-builds)
 
+# Command line arguments.
+COMMAND_ARGS=${*}
+
 # Function to publish artifacts of a package to Github.
 #   @param ${1} Name of the package
 #   @param ${2} Repository name of the package.
@@ -30,8 +33,10 @@ publishPackage() {
   repoUrl="https://github.com/angular/${packageRepo}.git"
   repoDir="tmp/${packageRepo}"
 
-  # Create a release of the current repository.
-  $(npm bin)/gulp ${packageName}:build-release:clean
+  if [[ ! ${COMMAND_ARGS} == *--no-build* ]]; then
+    # Create a release of the current repository.
+    $(npm bin)/gulp ${packageName}:build-release:clean
+  fi
 
   # Prepare cloning the builds repository
   rm -rf ${repoDir}

scripts/release/publish-docs-content.sh

@@ -11,8 +11,10 @@ repoPath="/tmp/material2-docs-content"
 repoUrl="https://github.com/angular/material2-docs-content"
 examplesSource="./dist/docs/examples"
 
-$(npm bin)/gulp material-examples:build-release:clean
-$(npm bin)/gulp docs
+if [[ ! ${*} == *--no-build* ]]; then
+  $(npm bin)/gulp material-examples:build-release:clean
+  $(npm bin)/gulp docs
+fi
 
 # Get git meta info for commit
 commitSha="$(git rev-parse --short HEAD)"