update-sqlite.yml

name: Update SQLite (Manual)

on:
  workflow_dispatch:
    inputs:
      sqlite3mc_version:
        description: "SQLite3MC version (e.g. 2.3.4)"
        required: true
      sqlite_version:
        description: "SQLite version (e.g. 3.53.1)"
        required: true
      android_check_in:
        description: "SQLite Android Check-In (e.g. fc6c086470)"
        required: true
      mode:
        description: "Update mode"
        required: true
        type: choice
        default: dry-run
        options:
          - sanity
          - dry-run
          - update

permissions:
  contents: read

concurrency:
  group: update-sqlite-${{ github.ref }}
  cancel-in-progress: false

env:
  CONFIG_FILE:  config.json
  SQLITE_PATH:  sqlite3
  ARCHIVES:     archives

jobs:

  generate:
    name: Update version information and SQLite sources
    runs-on: ubuntu-latest
    timeout-minutes: 30
    permissions:
      contents: write   # commits & pushes updated SQLite sources
    env:
      MODE: ${{ github.event.inputs.mode }}

    steps:

      # -------------------------------------------------
      # Checkout repository
      # -------------------------------------------------
      - name: Checkout repository
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      # -------------------------------------------------
      # Setup Python
      # -------------------------------------------------
      - name: Setup Python
        uses: actions/setup-python@v7
        with:
          python-version: "3.12"

      # -------------------------------------------------
      # Update SQLite version number in configuration
      # -------------------------------------------------
      - name: Update config
        shell: bash
        run: |
          set -euo pipefail

          python scripts/update_config.py "${{ inputs.sqlite3mc_version }}" "${{ inputs.sqlite_version }}" "${{ inputs.android_check_in }}"

      # -------------------------------------------------
      # Validate config
      # -------------------------------------------------
      - name: Validate config
        run: |
          set -euo pipefail
          python scripts/validate_config.py config.json

      # -------------------------------------------------
      # Create environment variables and display them
      # -------------------------------------------------
      - name: Build context
        uses: ./.github/actions/build-context

      # -------------------------------------------------
      # Generate version-dependent files
      # -------------------------------------------------
      - name: Generate version-dependent files
        shell: bash
        run: |
          set -euo pipefail
          python scripts/render_template.py packaging/sqlite3mc_version.h.in "src/sqlite3mc_version.h"
          python scripts/render_template.py packaging/autoconf/VERSION.in "autoconf/VERSION"
          python scripts/render_template.py packaging/autoconf/sqlite3rc.h.in "autoconf/sqlite3rc.h"

      # -------------------------------------------------
      # Update version in CMake build file
      # -------------------------------------------------
      - name: Update version in build files
        shell: bash
        run: |
          set -euo pipefail
          python scripts/update_build_files.py

      # -------------------------------------------------
      # Upload version-dependent files (for debugging)
      # -------------------------------------------------
      - name: Upload version-dependent files
        uses: actions/upload-artifact@v7
        with:
          name: version-deps
          path: |
            config.json
            CMakeLists.txt
            configure.ac
            autoconf/VERSION
            autoconf/sqlite3rc.h
            src/sqlite3mc_version.h

      # -------------------------------------------------
      # Create directories for intermediate files
      # -------------------------------------------------
      - name: Create directories
        shell: bash
        run: |
          set -euo pipefail

          mkdir -p "$SQLITE_PATH"
          mkdir -p "$ARCHIVES"

      # -------------------------------------------------
      # Download current SQLite download page
      # -------------------------------------------------
      - name: Download SQLite download page
        run: |
          set -euo pipefail
          curl -fsSL https://sqlite.org/download.html -o download.html

      # -------------------------------------------------
      # Extract SHA3 for amalgamation from download page
      # -------------------------------------------------
      - name: Extract SHA3 for amalgamation
        id: sqlite-download
        run: |
          set -euo pipefail

          line=$(grep "^PRODUCT,${SQLITE_VERSION},.*sqlite-amalgamation.*\.zip," download.html)

          if [ -z "$line" ]; then
            echo "No amalgamation entry found for SQLite ${SQLITE_VERSION}"
            exit 1
          fi

          IFS=',' read -r product version relurl size sha3 <<< "$line"

          echo "url=https://sqlite.org/${relurl}" >> "$GITHUB_OUTPUT"
          echo "sha3=${sha3}" >> "$GITHUB_OUTPUT"

          echo "Found:"
          echo "URL : https://sqlite.org/${relurl}"
          echo "SHA3: ${sha3}"

      # -------------------------------------------------
      # Download amalgamation archive
      # -------------------------------------------------
      - name: Download amalgamation archive
        run: |
          set -euo pipefail
          echo "Downloading SQLite source amalgamation: ${{ steps.sqlite-download.outputs.url }}"
          curl -fsSL --retry 3 --retry-delay 5 \
            "${{ steps.sqlite-download.outputs.url }}" \
            -o sqlite-amalgamation.zip

      # -------------------------------------------------
      # Verify SHA3-256 checksum
      # -------------------------------------------------
      - name: Verify SHA3-256 checksum
        env:
          EXPECTED_SHA3: ${{ steps.sqlite-download.outputs.sha3 }}
        run: |
          set -euo pipefail
          python3 scripts/verify_sha3.py \
            sqlite-amalgamation.zip \
            "${{ steps.sqlite-download.outputs.sha3 }}"

      # -------------------------------------------------
      # Extract SQLite sources from amalgamation archive
      # -------------------------------------------------
      - name: Extract SQLite sources from amalgamation archive
        shell: bash
        run: |
          set -euo pipefail

          echo "Extracting..."
          unzip -q sqlite-amalgamation.zip -d "$SQLITE_PATH"

          rm sqlite-amalgamation.zip

          echo "Done. Contents of $SQLITE_PATH:"
          ls -la "$SQLITE_PATH"

      # -------------------------------------------------
      # Generate patched SQLite source files
      # -------------------------------------------------
      - name: Patch SQLite3 amalgamation
        shell: bash
        run: |
          set -euo pipefail

          sqlite3_h="${{ env.SQLITE_PATH }}/sqlite-amalgamation-${{ env.SQLITE_VERSION_RAW }}/sqlite3.h"
          sqlite3ext_h="${{ env.SQLITE_PATH }}/sqlite-amalgamation-${{ env.SQLITE_VERSION_RAW }}/sqlite3ext.h"

          sqlite_src="${{ env.SQLITE_PATH }}/sqlite-amalgamation-${{ env.SQLITE_VERSION_RAW }}/sqlite3.c"
          shell_src="${{ env.SQLITE_PATH }}/sqlite-amalgamation-${{ env.SQLITE_VERSION_RAW }}/shell.c"
          dest_sqlite="${{ env.SQLITE_PATH }}/sqlite3patched.c"
          dest_shell="${{ env.SQLITE_PATH }}/shell.c"
          dest_rekey="${{ env.SQLITE_PATH }}/rekeyvacuum.c"
          dest_btree="${{ env.SQLITE_PATH }}/btreecopyfile.c"

          # Make sure that scripts are executable
          chmod +x scripts/patchsqlite3.sh
          chmod +x scripts/patchshell.sh
          chmod +x scripts/rekeyvacuum.sh
          chmod +x scripts/btreecopyfile.sh
          ls -l scripts/

          bash scripts/patchsqlite3.sh $sqlite_src > $dest_sqlite
          bash scripts/patchshell.sh $shell_src > $dest_shell
          bash scripts/rekeyvacuum.sh $sqlite_src > $dest_rekey
          bash scripts/btreecopyfile.sh $sqlite_src > $dest_btree

          cp "$sqlite_src" "$SQLITE_PATH/"
          cp "$shell_src" "$SQLITE_PATH/shell-orig.c"
          cp "$sqlite3_h" "$SQLITE_PATH/"
          cp "$sqlite3ext_h" "$SQLITE_PATH/"
          ls -l "${{ env.SQLITE_PATH }}"

      # -------------------------------------------------
      # Compare generated patched source files with previous version
      # -------------------------------------------------
      # Usually they will differ when updating to a new version.
      # However, after a successful update, repeating the update process
      # for the same version should result in identical files.
      # -------------------------------------------------
      - name: Comparing patched SQLite files
        shell: bash
        run: |
          set -euo pipefail

          FILES=(
            "sqlite3patched.c"
            "rekeyvacuum.c"
            "btreecopyfile.c"
            "shell.c"
          )

          echo "=== Patch comparison report ==="

          CHANGED=0

          for f in "${FILES[@]}"; do
            echo ""
            echo "Checking: $f"

            if cmp -s "src/$f" "$SQLITE_PATH/$f"; then
              echo "OK: identical"
            else
              echo "DIFF: changed"
              CHANGED=1

              echo "--- diff ($f) ---"
              diff -u "src/$f" "$SQLITE_PATH/$f" || true
            fi
          done

          echo ""
          echo "=== Summary ==="

          if [ "$CHANGED" -eq 0 ]; then
            echo "All files identical"
          else
            echo "Some files differ (see above)"
          fi

          exit 0

      # -------------------------------------------------
      # Compare generated patched source files with originals
      # -------------------------------------------------
      # If the number of deviations doesn't correspond to the
      # number of applied patch hunks, it will be required to
      # inspect the files carefully, and to adjust the patches
      # if necessary.
      # -------------------------------------------------
      - name: Per-file patch impact analysis
        shell: bash
        run: |
          set -euo pipefail

          COMPARE_PAIRS=(
            "sqlite3.c:sqlite3patched.c"
            "shell-orig.c:shell.c"
            "../src/rekeyvacuum.c:rekeyvacuum.c"
            "../src/btreecopyfile.c:btreecopyfile.c"
          )

          for pair in "${COMPARE_PAIRS[@]}"; do
            SRC="${pair%%:*}"
            DST="${pair##*:}"

            ORIGINAL="$SQLITE_PATH/$SRC"
            PATCHED="$SQLITE_PATH/$DST"

            echo ""
            echo "Comparing:"
            echo "  original: $SRC"
            echo "  patched : $DST"

            DIFF_BLOCKS=$(diff -u "$ORIGINAL" "$PATCHED" \
              | grep -c '^@@' || true)

            echo "Patch blocks: $DIFF_BLOCKS"
          done

      # -------------------------------------------------
      # Create ZIP archive(s) for the updated and patched SQLite source files
      # -------------------------------------------------
      - name: Create ZIP archive for updated SQLite sources
        shell: bash
        run: |
          set -euo pipefail

          DESTPATH="$ARCHIVES"

          (
            SOURCEPATH="$SQLITE_PATH"
            cd "$SOURCEPATH"
            find . -maxdepth 1 -type f -print \
              | zip "../$DESTPATH/sqlite3source.zip" -@
          )

          ls -l "$DESTPATH"

      # -------------------------------------------------
      # Upload ZIP archive
      # -------------------------------------------------
      - name: Upload ZIP archives
        uses: actions/upload-artifact@v7
        with:
          name: sqlite-sources
          path: |
            ${{ env.ARCHIVES }}/sqlite3source.zip

      # -------------------------------------------------
      # Replace original and patched SQLite sources
      # -------------------------------------------------
      - name: Copy original and patched files into src
        shell: bash
        run: |
          set -euo pipefail

          echo "Copying files into src/ ..."
          for f in sqlite3.c sqlite3.h sqlite3ext.h sqlite3patched.c rekeyvacuum.c btreecopyfile.c shell.c; do
            echo "Copying $f"
            cp -f "$SQLITE_PATH/$f" src/
          done

          echo "Done. Checking for changes..."

          git status --porcelain

      # -------------------------------------------------
      # GIT + GPG SETUP (only non-sanity)
      # -------------------------------------------------
      # Modes of this workflow are sanity | dry-run | update;
      # validation runs in dry-run mode only.
      # -------------------------------------------------
      - name: Set up GPG signing
        if: ${{ inputs.mode != 'sanity' }}
        uses: ./.github/actions/setup-signing
        with:
          git-user-name: ${{ vars.GIT_USER_NAME }}
          git-user-email: ${{ vars.GIT_USER_EMAIL }}
          gpg-key-id: ${{ vars.GPG_KEY_ID }}
          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
          validate: ${{ inputs.mode == 'dry-run' }}

      # -------------------------------------------------
      # Commit changed source files and configuration (only update)
      # -------------------------------------------------
      - name: Commit config and source changes
        if: ${{ inputs.mode == 'update' }}
        shell: bash
        run: |
          set -euo pipefail

          git add config.json
          git add CMakeLists.txt
          git add configure.ac

          git add autoconf/VERSION
          git add autoconf/sqlite3rc.h

          git add src/sqlite3.c
          git add src/sqlite3.h
          git add src/sqlite3ext.h
          git add src/sqlite3mc_version.h

          git add src/sqlite3patched.c
          git add src/shell.c
          git add src/rekeyvacuum.c
          git add src/btreecopyfile.c

          if git diff --cached --quiet; then
            echo "No changes to commit"
            exit 0
          fi

          git commit -m "Update SQLite version to ${{ inputs.sqlite_version }}"
          git push