release.yml

name: CD iOS

on:
  workflow_dispatch:
  push:
    branches:
      - main

permissions:
  id-token: write
  contents: write
env:
  CARGO_TERM_COLOR: always
jobs:
  build:
    runs-on: macos-15-xlarge
    steps:
      - uses: RDXWorks-actions/checkout@main
        with:
          fetch-depth: 0

      - uses: RDXWorks-actions/setup-xcode@master
        with:
          xcode-version: "16.0.0"

      - name: Install Rust Toolchain for aarch64-apple-ios
        uses: RDXWorks-actions/rust-toolchain@master
        with:
          toolchain: nightly-2024-01-11
          components: rust-std
          target: aarch64-apple-ios,aarch64-apple-darwin,aarch64-apple-ios-sim

      - name: Compute release tag
        id: tags
        run: |
          set -euo pipefail

          LAST_TAG=`git tag --sort=creatordate | tail -1`
          NEXT_TAG=$(echo ${LAST_TAG} | awk -F. -v OFS=. 'NF==1{print ++$NF}; NF>1{$NF=sprintf("%0*d", length($NF), ($NF+1)); print}')

          echo "NEXT_TAG=$NEXT_TAG" >> "$GITHUB_OUTPUT"
          echo "LAST_TAG=$LAST_TAG" >> "$GITHUB_OUTPUT"

          echo "🚢  NEXT_TAG: $NEXT_TAG"
          echo "🚢  LAST_TAG: $LAST_TAG"

      - name: Build artifacts
        id: build
        run: |
          set -euo pipefail

          rustup target add aarch64-apple-darwin aarch64-apple-ios aarch64-apple-ios-sim

          echo "🚢 Switch 'useLocalFramework' to 'false' in Package.swift for release"
          sed -i '' 's/let useLocalFramework = true/let useLocalFramework = false/' Package.swift

          # output is: "<CHKSUM>;<$XCFRAME_ZIP_PATH>"
          OUTPUT_OF_BUILD=$(bash scripts/ios/build-sargon.sh --release-tag "$NEXT_TAG" | tail -n 1) || exit $?
          if [[ "$OUTPUT_OF_BUILD" == "BUILT_WITHOUT_RELEASE" ]]; then
              echo "Error, failed to build, did you forget to pass '--release' to build script? Otherwise check if build-sargon.sh has recently been changed (to something incorrect...)"
              exit 1;
          fi
          CHECKSUM=`echo "$OUTPUT_OF_BUILD" | cut -d ";" -f 1` || exit $?
          XCFRAME_ZIP_PATH=`echo "$OUTPUT_OF_BUILD" | cut -d ";" -f 2` || exit $?

          echo "🚢  CHECKSUM: $CHECKSUM"
          echo "🚢  XCFRAME_ZIP_PATH: $XCFRAME_ZIP_PATH"

          echo "🚢 Ensuring Sargon build for release - that it will work for e.g. iOS wallet to archive."
          sed -i '' 's/let useLocalFramework = false/let useLocalFramework = true/' Package.swift
          swift build -c release || exit $?
          echo "🚢 Swift Sargon builds for release ✅"
        env:
          NEXT_TAG: ${{ steps.tags.outputs.NEXT_TAG }}

      - name: Push release tag
        if: github.ref == 'refs/heads/main'
        run: |
          set -euo pipefail

          echo "🚢  Setting 'useLocalFramework = false' for release"
          sed -i '' 's/let useLocalFramework = true/let useLocalFramework = false/' Package.swift

          # We have .gitigored Sargon.swift because we dont need it in git history, but we
          # need it for this release, so we must FORCE add it (since it is ignored).
          echo "🚢  Staging changed files"
          git add --force Package.swift apple/Sources/UniFFI/Sargon.swift

          git config user.name 'github-actions[bot]'
          git config user.email 'github-actions[bot]@users.noreply.github.com'

          echo "🚢  Git committing changes"
          git status
          git commit -m "Release of '$NEXT_TAG'" \
                     -m "Updated Package.swift with new checksum and path to zip on Github, and maybe apple/Sources/UniFFI/Sargon.swift." \
                     -m "This commit is not merged into main branch (and need not be)." \
                     --no-verify

          echo "🚢 🏷️ 📡 Pushing tag: $NEXT_TAG, but only tag, not commit."
          git tag $NEXT_TAG
          git push origin $NEXT_TAG
        env:
          NEXT_TAG: ${{ steps.tags.outputs.NEXT_TAG }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create release
        if: github.ref == 'refs/heads/main'
        run: |
          set -eux

          ls -l target/swift/*.zip

          # This MUST match whatever you we have declared in Package.swift
          ARTIFACT_FILE=libsargon-rs.xcframework.zip

          # Moving the artifact to the current directory.
          mv target/swift/$ARTIFACT_FILE .

          gh release create $NEXT_TAG $ARTIFACT_FILE --generate-notes --notes-start-tag $LAST_TAG --title "v$NEXT_TAG"
        env:
          LAST_TAG: ${{ steps.tags.outputs.LAST_TAG }}
          NEXT_TAG: ${{ steps.tags.outputs.NEXT_TAG }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}