Autobuild: Combine and simplify iOS build scripts

.github/autobuild/ios.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+set -eu
+
+QT_DIR=/usr/local/opt/qt
+AQTINSTALL_VERSION=2.0.6
+
+if [[ ! ${QT_VERSION:-} =~ [0-9]+\.[0-9]+\..* ]]; then
+    echo "Environment variable QT_VERSION must be set to a valid Qt version"
+    exit 1
+fi
+if [[ ! ${jamulus_buildversionstring:-} =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
+    echo "Environment variable jamulus_buildversionstring has to be set to a valid version string"
+    exit 1
+fi
+
+setup() {
+    if [[ -d "${QT_DIR}" ]]; then
+        echo "Using Qt installation from previous run (actions/cache)"
+    else
+        echo "Install dependencies..."
+        python3 -m pip install "aqtinstall==${AQTINSTALL_VERSION}"
+        python3 -m aqt install-qt --outputdir "${QT_DIR}" mac ios "${QT_VERSION}" --archives qtbase qttools qttranslations qtmacextras
+    fi
+}
+
+build_app_as_ipa() {
+    # Add the Qt binaries to the PATH:
+    export PATH="${QT_DIR}/${QT_VERSION}/ios/bin:${PATH}"
+    ./ios/deploy_ios.sh
+}
+
+pass_artifact_to_job() {
+    artifact_deploy_filename="jamulus_${jamulus_buildversionstring}_iOSUnsigned${ARTIFACT_SUFFIX:-1}.ipa"
+    echo "Moving build artifact to deploy/${artifact_deploy_filename}"
+    mv ./deploy/Jamulus.ipa "./deploy/${artifact_deploy_filename}"
+    echo "::set-output name=artifact_1::${artifact_deploy_filename}"
+}
+
+case "${1:-}" in
+    setup)
+        setup
+        ;;
+    build)
+        build_app_as_ipa
+        ;;
+    get-artifacts)
+        pass_artifact_to_job
+        ;;
+    *)
+        echo "Unknown stage '${1:-}'"
+        exit 1
+esac

.github/workflows/autobuild.yml

@@ -129,9 +129,9 @@ jobs:
           - config_name:            iOS (artifacts)
             target_os:              ios
             building_on_os:         macos-10.15
-            cmd1_prebuild:          "./autobuild/ios/autobuild_ios_1_prepare.sh 5.15.2"
-            cmd2_build:             "./autobuild/ios/autobuild_ios_2_build.sh"
-            cmd3_postbuild:         "./autobuild/ios/autobuild_ios_3_copy_files.sh"
+            cmd1_prebuild:          "QT_VERSION=5.15.2 ./.github/autobuild/ios.sh setup"
+            cmd2_build:             "QT_VERSION=5.15.2 ./.github/autobuild/ios.sh build"
+            cmd3_postbuild:         "QT_VERSION=5.15.2 ./.github/autobuild/ios.sh get-artifacts"
             # Build failed with CodeQL enabled when last tested 03/2022 (#2490).
             # There are no hints that iOS is supposed to be supported by CodeQL.
             # Therefore, disable it:

ios/deploy_ios.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -eu
+
+## Builds an ipa file for iOS. Should be run from the repo-root
+
+# Create Xcode file and build
+qmake -spec macx-xcode Jamulus.pro
+/usr/bin/xcodebuild -project Jamulus.xcodeproj -scheme Jamulus -configuration Release clean archive -archivePath "build/Jamulus.xcarchive" CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO
+
+# Generate ipa by copying the .app file from the xcarchive directory
+mkdir build/Payload
+cp -r build/Jamulus.xcarchive/Products/Applications/Jamulus.app build/Payload/
+cd build
+zip -0 -y -r Jamulus.ipa Payload/
+
+# Make a deploy folder and copy file
+mkdir ../deploy
+mv Jamulus.ipa ../deploy