Adds local xcframework script (#53)

Author: Tarik Eshaq

appservices_local_xcframework.sh

@@ -0,0 +1,143 @@
+#!/usr/bin/env bash
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Uses a local version of application services xcframework
+
+# This script allows switches the usage of application services to a local xcframework
+# built from a local checkout of application services
+
+set -e
+
+# CMDNAME is used in the usage text below
+CMDNAME=$(basename "$0")
+USAGE=$(cat <<EOT
+${CMDNAME}
+Tarik Eshaq <[email protected]>
+
+Uses a local version of application services xcframework
+
+This script allows switches the usage of application services to a local xcframework
+built from a local checkout of application services
+
+
+USAGE:
+    ${CMDNAME} [OPTIONS] <LOCAL_APP_SERVICES_PATH>
+
+OPTIONS:
+    -d, --disable           Disables local development on application services
+    -h, --help              Display this help message.
+EOT
+)
+
+msg () {
+  printf "\033[0;34m> %s\033[0m\n" "${1}"
+}
+
+helptext() {
+    echo "$USAGE"
+}
+
+
+
+THIS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+PACKAGE_FILE="$THIS_DIR/Package.swift"
+SWIFT_SOURCE="$THIS_DIR/swift-source"
+FRAMEWORK_PATH="./MozillaRustComponents.xcframework"
+FRAMEWORK_PATH_ESCAPED=$( echo $FRAMEWORK_PATH |  sed 's/\//\\\//g' )
+APP_SERVICES_REMOTE="https://github.com/mozilla/application-services"
+
+DISABLE="false"
+APP_SERVICES_DIR=
+while (( "$#" )); do
+    case "$1" in
+        -d|--disable)
+            DISABLE="true"
+            shift
+            ;;
+        -h|--help)
+            helptext
+            exit 0
+            ;;
+        --) # end argument parsing
+            shift
+            break
+            ;;
+        --*=|-*) # unsupported flags
+            echo "Error: Unsupported flag $1" >&2
+            exit 1
+            ;;
+        *) # preserve positional arguments
+            APP_SERVICES_DIR=$1
+            shift
+            ;;
+    esac
+done
+
+if [ "true" = $DISABLE ]; then
+  msg "Resetting $PACKAGE_FILE to use remote xcframework"
+  # We disable the local development and revert back
+  # ideally, users should just use git reset.
+  #
+  # This exist so local development can be easy to enable/disable
+  # and we trust that once developers are ready to push changes
+  # they will clean the files to make sure they are in the same
+  # state they were in before any of the changes happened.
+  perl -0777 -pi -e "s/            path: \"$FRAMEWORK_PATH_ESCAPED\"/            url: url,
+            checksum: checksum/igs" $PACKAGE_FILE
+
+  msg "Done reseting $PACKAGE_FILE"
+  git add $PACKAGE_FILE
+  msg "$PACKAGE_FILE changes staged"
+
+  if [ -d $FRAMEWORK_PATH ]; then
+    msg "Detected local framework, deleting it.."
+    rm -rf $FRAMEWORK_PATH
+    git add $FRAMEWORK_PATH
+    msg "Deleted and staged the deletion of the local framework"
+  fi
+  msg "IMPORTANT: reminder that changes to this repository are not visable to consumers until
+      commited"
+  exit 0
+fi
+
+if [ -z $APP_SERVICES_DIR ]; then
+    msg "Please set the application-services path."
+    msg "This is a path to a local checkout of the application services repository"
+    msg "You can find the repository on $APP_SERVICES_REMOTE"
+    exit 1
+fi
+
+## First we build the xcframework in the application services repository
+msg "Building the xcframework in $APP_SERVICES_DIR"
+msg "This might take a few minutes"
+pushd $APP_SERVICES_DIR/megazords/ios-rust/
+./build-xcframework.sh
+popd
+
+## Once built, we want to move the frameowork to this repository, then unzip it
+mv $APP_SERVICES_DIR/megazords/ios-rust/MozillaRustComponents.xcframework $THIS_DIR/MozillaRustComponents.xcframework
+
+## We replace the url and checksum in the Package.swift with a refernce to the local
+## framework path
+perl -0777 -pi -e "s/            url: url,
+            checksum: checksum/            path: \"$FRAMEWORK_PATH_ESCAPED\"/igs" $PACKAGE_FILE
+
+## We also add the xcframework to git, and remind the user that it **needs** to be committed
+## for it to be used
+msg "Staging the xcframework and package.swift changes to git"
+git add $FRAMEWORK_PATH
+git add $PACKAGE_FILE
+
+
+## We should also get the swift-source code copied and staged as well
+msg "Generating swift source code..."
+./generate.sh $APP_SERVICES_DIR
+msg "Swift source code also generated, staging it now"
+git add $SWIFT_SOURCE
+
+msg "Done setting up rust-components-swift to use $APP_SERVICES_DIR"
+msg "IMPORTANT: Reminder that changes to this repository
+    MUST be commited before they can be used by consumers"