Add CI

Author: jeroen

.github/workflows/bundle.sh

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+#/bin/sh
+set -e
+PACKAGE=ffmpeg
+
+# Update
+pacman -Syy --noconfirm
+OUTPUT=$(mktemp -d)
+
+# Download files (-dd skips dependencies)
+pkgs=$(echo mingw-w64-{i686,x86_64,ucrt-x86_64}-${PACKAGE})
+deps=$(pacman -Si $pkgs | grep 'Depends On' | grep -o 'mingw-w64-[_.a-z0-9-]*')
+URLS=$(pacman -Sp $pkgs $deps --cache=$OUTPUT)
+VERSION=$(pacman -Si mingw-w64-x86_64-${PACKAGE} | awk '/^Version/{print $3}')
+
+# Set version for next step
+echo "::set-output name=VERSION::${VERSION}"
+echo "::set-output name=PACKAGE::${PACKAGE}"
+echo "Bundling $PACKAGE-$VERSION"
+echo "# $PACKAGE $VERSION" > README.md
+echo "" >> README.md
+
+for URL in $URLS; do
+  curl -OLs $URL
+  FILE=$(basename $URL)
+  echo "Extracting: $URL"
+  echo " - $FILE" >> README.md
+  tar xf $FILE -C ${OUTPUT}
+  rm -f $FILE
+done
+
+# Copy libs
+rm -Rf include lib*
+mkdir -p lib/x64 lib-8.3.0/{x64,i386}
+cp -v ${OUTPUT}/ucrt64/lib/*.a lib/x64/
+cp -v ${OUTPUT}/mingw64/lib/*.a lib-8.3.0/x64/
+cp -v ${OUTPUT}/mingw32/lib/*.a lib-8.3.0/i386/
+cp -rv ${OUTPUT}/ucrt64/include .

.github/workflows/bundle.yml

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+name: bundle binaries
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+      - name: Prepare git
+        run: |
+          git config --global core.autocrlf false
+          git config --global user.email '121622595+jeroen[bot]@users.noreply.github.com'
+          git config --global user.name  'Jeroen (via CI)'
+      - uses: actions/checkout@v3
+      - id: download
+        name: Download libraries
+        run: |
+          cd $(cygpath ${GITHUB_WORKSPACE})
+          .github/workflows/bundle.sh
+        shell: c:\rtools40\usr\bin\bash.exe --login {0}
+      - name: Push binaries
+        run: |
+          version=${{ steps.download.outputs.VERSION }}
+          git add README.md include lib*
+          git commit -m "Bundle $version ($(date +%F))" || exit 0
+          git tag $version
+          git push origin master $version
+        shell: bash