CI: Add local forgejo CI

Signed-off-by: Vasiliy Doylov <nekocwd@mainlining.org>

.forgejo/workflows/build-alpine.yaml

@@ -0,0 +1,58 @@
+name: PostmarketOS Build
+run-name: PostmarketOS Build
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  prepare:
+    name: Prepare
+    runs-on: Pmbootstrap
+    outputs:
+      time: ${{ steps.time.outputs.time }}
+    steps:
+      - name: Set start Time
+        id: time
+        shell: sh
+        run: echo time=$(date +"%Y%m%d%H%M%S") >> $GITHUB_OUTPUT
+      - name: Update pmbootstrap
+        uses: actions/pmbootstrap-update@master
+      - name: Remove libcamera aport
+        run: rm -rf ${{env.PMB_PMAPORTS}}/temp/libcamera
+
+  build:
+    name: Build for ${{ matrix.info.arch }}
+    runs-on: Pmbootstrap
+    strategy:
+      matrix:
+        info:
+          - arch: x86_64
+          - arch: aarch64
+    needs: prepare
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: Build packages
+        id: build
+        uses: actions/pmbootstrap-build@main
+        with:
+          name: libcamera
+          aports: ${{github.workspace}}/package/alpine
+          arch: ${{ matrix.info.arch }}
+          src: ${{github.workspace}}
+          time: ${{ needs.prepare.outputs.time }}
+      - name: "Upload packages"
+        uses: actions/upload-alpine-package@main
+        with:
+          files: ${{steps.build.outputs.packages}}
+          secret: ${{secrets.PACKAGE_TOKEN}}
+
+  clean:
+    name: "Clean"
+    runs-on: Pmbootstrap
+    needs: build
+    if: always()
+    continue-on-error: true
+    steps:
+      - name: Update pmbootstrap
+        uses: actions/pmbootstrap-update@master

.forgejo/workflows/sync-with-upstream.yaml

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+name: Sync fork with upstream
+run-name: Sync fork with upstream
+on:
+  schedule:
+    - cron: "@daily"
+  workflow_dispatch:
+
+jobs:
+  sync:
+    name: Sync
+    runs-on: Misc
+    steps:
+      - name: Sync repository with upstream
+        uses: actions/sync-with-mirror@main
+        with:
+          secret: ${{ secrets.PUSH_TOKEN }}
+          name: libcamera
+          branch: master

package/alpine/APKBUILD

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+pkgname=libcamera
+pkgver=9999999
+pkgrel=0
+pkgdesc="Linux camera framework"
+url="https://libcamera.org/"
+arch="all"
+license="LGPL-2.1-or-later AND GPL-2.0-or-later"
+depends_dev="
+	eudev-dev
+	glib-dev
+	gnutls-dev
+	gst-plugins-bad-dev
+	qt6-qtbase-dev
+	"
+
+makedepends="$depends_dev
+	coreutils
+	doxygen
+	graphviz
+	gtest-dev
+	libevent-dev
+	libpisp-dev
+	libunwind-dev
+	libyuv-dev
+	linux-headers
+	meson
+	py3-jinja2
+	py3-ply
+	py3-sphinx
+	py3-yaml
+	qt6-qttools-dev
+	yaml-dev
+	"
+subpackages="
+	$pkgname-dbg
+	$pkgname-dev
+	$pkgname-doc
+	$pkgname-gstreamer
+	$pkgname-tools
+	"
+source=""
+builddir="$srcdir/$pkgname"
+# gstreamer tests fail
+# manual strip because ipa .sign files depend on the file contents- have to re-sign after strip
+options="!strip !check"
+
+case "$CARCH" in
+arm*|aarch64)
+	subpackages="$subpackages"
+	;;
+esac
+
+case "$CARCH" in
+ppc64le|s390x|riscv64|loongarch64)
+	# doesn't install any ipa
+	;;
+*)
+	depends="$pkgname-ipa"
+	subpackages="$subpackages $pkgname-ipa"
+	;;
+esac
+
+build() {
+	abuild-meson \
+		-Dtest=false \
+		-Dv4l2=false \
+		-Dwerror=false \
+		-Dpipelines=simple \
+		-Dipas=simple \
+		. output
+	meson compile -C output
+}
+
+check() {
+	meson test -C output --print-errorlogs
+}
+
+package() {
+	DESTDIR="$pkgdir" meson install --no-rebuild -C output
+
+	# manual strip first..
+	scanelf --recursive \
+		--nobanner \
+		--etype "ET_DYN,ET_EXEC" \
+		--format "%F" \
+		"$pkgdir" \
+		| while read -r file; do
+			strip "$file"
+	done
+}
+
+ipa() {
+	depends=""
+	amove usr/lib/libcamera
+	# then sign ipa's
+	local ipa
+	for ipa in "$subpkgdir"/usr/lib/libcamera/ipa/ipa*.so; do
+		msg "signing $ipa"
+		"$builddir"/src/ipa/ipa-sign.sh \
+			"$(find "$builddir"/output -type f -iname "*ipa-priv-key.pem")" \
+			"$ipa" \
+			"$ipa".sign
+	done
+}
+
+gstreamer() {
+	depends=""
+	amove usr/lib/gstreamer-1.0
+}
+
+tools() {
+	depends=""
+	amove usr/bin/cam
+	amove usr/bin/lc-compliance
+}
+
+sha512sums=""