CI: Add forgejo CI

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

.forgejo/workflows/build-alpine.yaml

@@ -0,0 +1,34 @@
+name: PostmarketOS build
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: Pmbootstrap
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: Make temp package dir
+        run: mkdir -p /data/pmaports/temp/libcamera
+      - name: Copy APKBUILD to this dir
+        run: cp ${{ github.workspace }}/misc/APKBUILD /data/pmaports/temp/libcamera
+      - name: Clear local-built packages
+        run: pmbootstrap -y zap -p
+      - name: Run PostmarketOS build
+        run: pmbootstrap build --force libcamera --src ${{ github.workspace }} --arch aarch64
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-files
+          path: /data/work/packages/edge/aarch64/*.apk
+      - name: Upload to package registry
+        run: >
+          for apk in /data/work/packages/edge/aarch64/*.apk ; do
+            echo -- Uploading $apk
+            curl -H "Authorization: token ${{secrets.PACKAGE_TOKEN}}" \
+            --upload-file $apk \
+            ${{github.server_url}}/api/packages/${{github.repository_owner}}/alpine/edge/nightly
+          done
+      - name: Clean up
+        run: pmbootstrap -y zap -p

misc/APKBUILD

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+# Forked from Alpine for temporary downstream patches
+
+pkgname=libcamera
+_pkgver=0.5.0
+pkgver=9999$_pkgver
+pkgrel=1
+pkgdesc="Linux camera framework"
+url="https://libcamera.org/"
+arch="all"
+license="LGPL-2.1-or-later AND GPL-2.0-or-later"
+depends_dev="
+	eudev-dev
+	glib-dev
+	gnutls-dev
+	gst-plugins-bad-dev
+	qt6-qtbase-dev
+	"
+# upstream calls 'date' with a non-POSIX option so we pull in coreutils
+makedepends="$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/$pkgname-v$_pkgver"
+# 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=""