initial commit

.github/workflows/main.yaml

@@ -0,0 +1,21 @@
+name: build and push release for x86
+on: push
+permissions: write-all
+
+jobs:
+ build:
+ runs-on: ubuntu-latest
+ steps:
+ - name: Set up QEMU
+ uses: docker/setup-qemu-action@v3
+ - name: Set up Docker Buildx
+ uses: docker/setup-buildx-action@v3
+ - name: Build image
+ uses: docker/build-push-action@v5
+ with:
+ platforms: linux/i386
+ tags: ${{ github.repository }}:latest
+ build-args: |
+ GH_TOKEN=${{ github.token }}
+ REPO=${{ github.repository }}
+ REF=${{ github.ref_name }}

Dockerfile

@@ -0,0 +1,36 @@
+FROM gentoo/stage3:i686-openrc
+
+ARG KVER=6.6.13
+ARG TARGET=bootia32.efi
+
+RUN emerge-webrsync && echo 'ACCEPT_LICENSE="*"' >> /etc/portage/make.conf && \
+ echo 'FEATURES="-ipc-sandbox -network-sandbox -pid-sandbox"' >> /etc/portage/make.conf && \
+ echo 'USE="symlink -firmware"' >> /etc/portage/make.conf && \
+ echo "dev-util/github-cli **" > /etc/portage/package.accept_keywords/github-cli && \
+ emerge -vq genkernel gentoo-sources:$KVER p7zip github-cli
+
+RUN curl -L https://qa-reports.gentoo.org/output/service-keys.gpg | gpg --import && \
+ curl -L "https://distfiles.gentoo.org/releases/x86/autobuilds/current-install-x86-minimal/latest-install-x86-minimal.txt" | gpg --verify -o - | grep iso | awk '{print "https://distfiles.gentoo.org/releases/x86/autobuilds/current-install-x86-minimal/" $1}' | xargs curl -L -o /tmp/install-minimal.iso && \
+ mkdir -p /tmp/overlay && cd /tmp/overlay && \
+ 7z x /tmp/install-minimal.iso image.squashfs && \
+ rm -f /tmp/install-minimal.iso
+
+RUN curl -L https://raw.githubusercontent.com/gentoo/releng/master/releases/kconfig/x86/x86-5.4.38.config -o /usr/src/linux/.config && \
+ sed -i 's/# CONFIG_CMDLINE_BOOL is not set/CONFIG_CMDLINE_BOOL=y/' /usr/src/linux/.config && \
+ echo 'CONFIG_CMDLINE="root=/dev/ram0 init=/linuxrc overlayfs nodhcp looptype=squashfs loop=/image.squashfs cdroot"' >> /usr/src/linux/.config && \
+ sed -i 's/# CONFIG_EFI_STUB is not set/CONFIG_EFI_STUB=y/' /usr/src/linux/.config && \
+ sed -i 's/#ALLRAMDISKMODULES="no"/ALLRAMDISKMODULES="yes"/' /etc/genkernel.conf && \
+ sed -i 's/#MOUNTBOOT="yes"/MOUNTBOOT="no"/' /etc/genkernel.conf && \
+ sed -i 's/#INTEGRATED_INITRAMFS="no"/INTEGRATED_INITRAMFS="yes"/' /etc/genkernel.conf && \
+ sed -i 's/#INITRAMFS_OVERLAY=""/INITRAMFS_OVERLAY="\/tmp\/overlay"/' /etc/genkernel.conf && \
+ sed -i 's/#KERNEL_LOCALVERSION="-%%ARCH%%"/KERNEL_LOCALVERSION=""/' /etc/genkernel.conf && \
+ sed -i 's/#CROSS_COMPILE=""/CROSS_COMPILE="i686-pc-linux-gnu"/' /etc/genkernel.conf
+
+RUN genkernel all --oldconfig --kernel-filename=$TARGET --install
+
+ARG GH_TOKEN
+ARG REPO
+ARG REF
+
+RUN gh repo clone $REPO /git -- -b $REF && cd /git && \
+ gh release create $REF --notes "kernel version $KVER" "/boot/${TARGET}#${TARGET}"

README.md

@@ -0,0 +1,3 @@
+# Gentoo Install CD in a standalone UEFI executable
+
+This repository packs a Gentoo Install CD into a single file of UEFI application with Github Actions.