Chroot build

scripts/chroot/build.sh

@@ -0,0 +1,77 @@
+#! /bin/sh
+
+set -euxo pipefail
+
+source arch.src
+
+if [[ "${ARCH:-}" == "" ]]; then
+    echo "Usage: env ARCH=... bash $0"
+    exit 1
+fi
+
+build_dir="$(mktemp -d -t appimagetool-build-XXXXXX)"
+
+cleanup () {
+    if [ -d "$build_dir" ]; then
+        rm -rf "$build_dir"
+    fi
+}
+trap cleanup EXIT
+
+
+apk add bash git gcc g++ cmake make file desktop-file-utils wget \
+    gpgme-dev libgcrypt-dev libgcrypt-static argp-standalone zstd-dev zstd-static util-linux-static \
+    glib-static libassuan-static zlib-static libgpg-error-static \
+    curl-dev curl-static nghttp2-static libidn2-static openssl-libs-static brotli-static c-ares-static libunistring-static
+
+
+# store repo root as variable
+#repo_root="$(readlink -f "$(dirname "${BASH_SOURCE[0]}")"/..)"
+repo_root=/src
+old_cwd="$(readlink -f "$PWD")"
+
+#pushd "$build_dir"
+
+/bin/bash /scripts/install-static-mksquashfs.sh 4.6.1
+
+cmake "$repo_root" -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_STATIC=ON
+
+if [[ "${GITHUB_ACTIONS:-}" != "" ]]; then
+    jobs="$(nproc)"
+else
+    jobs="$(nproc --ignore=1)"
+fi
+
+make -j"$jobs"
+
+make install DESTDIR=AppDir
+
+find AppDir
+
+cp "$(which mksquashfs)" AppDir/usr/bin
+
+cp "$repo_root"/resources/AppRun.sh AppDir/AppRun
+chmod +x AppDir/AppRun
+
+if [[ "$ARCH" == "x86" ]]; then
+RELEASE_ARCH="i686"
+fi
+
+if [[ "$ARCH" == "x86_64" ]]; then
+RELEASE_ARCH=${ARCH}
+fi
+
+wget https://github.com/AppImage/type2-runtime/releases/download/continuous/runtime-"$RELEASE_ARCH"
+
+#pushd AppDir
+ln -s usr/share/applications/appimagetool.desktop AppDir
+ln -s usr/share/icons/hicolor/128x128/apps/appimagetool.png AppDir
+ln -s usr/share/icons/hicolor/128x128/apps/appimagetool.png AppDir/.DirIcon
+#popd
+
+find AppDir
+cat AppDir/appimagetool.desktop
+
+AppDir/AppRun --runtime-file runtime-"$RELEASE_ARCH" AppDir
+
+mv appimagetool-*.AppImage "$old_cwd"

scripts/chroot/chroot_build.sh

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+#! /bin/sh
+
+set -ex
+
+if [ -z "${ALPINE_ARCH}" ]; then
+    echo "Usage: env ALPINE_ARCH=<arch> $0"
+    echo "Example values: x86_64 x86 armhf aarch64"
+    exit 2
+fi
+
+# build in a temporary directory
+# this makes sure that subsequent runs do not influence each other
+# also makes cleaning up easier: just dump the entire directory
+tempdir="$(mktemp -d)"
+
+# need to memorize the repository root directory's path so that we can copy files from it
+repo_root_dir=$(dirname "$(readlink -f "$0")")/../../
+
+# cleanup takes care of unmounting and removing all downloaded files
+cleanup() {
+    for i in dev proc sys; do
+        sudo umount "$tempdir"/miniroot/"$i"
+    done
+    sudo rm -rf "$tempdir"
+}
+trap cleanup EXIT
+
+cd "$tempdir"
+
+#############################################
+# Download and extract minimal Alpine system
+#############################################
+
+wget "http://dl-cdn.alpinelinux.org/alpine/v3.19/releases/${ALPINE_ARCH}/alpine-minirootfs-3.19.4-${ALPINE_ARCH}.tar.gz"
+mkdir -p ./miniroot
+cd ./miniroot
+sudo tar xf ../alpine-minirootfs-*-"${ALPINE_ARCH}".tar.gz
+cd -
+
+#############################################
+# Prepare chroot
+#############################################
+sudo mkdir miniroot/src
+sudo cp -r "$repo_root_dir" miniroot/src
+#sudo cp -r "$repo_root_dir"/patches miniroot/patches
+
+sudo mount -o bind /dev miniroot/dev
+sudo mount -t proc none miniroot/proc
+sudo mount -t sysfs none miniroot/sys
+sudo cp -p /etc/resolv.conf miniroot/etc/
+
+#############################################
+# Run build.sh in chroot
+#############################################
+
+# copy build scripts so that they are available within the chroot environment
+# build.sh combines existing scripts shared by all available build environments
+sudo cp -R "$repo_root_dir"/scripts miniroot/scripts
+
+if [ "$ALPINE_ARCH" = "x86" ] || [ "$ALPINE_ARCH" = "x86_64" ]; then
+    echo "Architecture is x86 or x86_64, hence not using qemu-arm-static"
+    echo "export ARCH=${ALPINE_ARCH}" > miniroot/arch.src
+    sudo chroot miniroot /bin/sh -ex /scripts/chroot/build.sh
+elif [ "$ALPINE_ARCH" = "aarch64" ] ; then
+    echo "Architecture is aarch64, hence using qemu-aarch64-static"
+    sudo cp "$(which qemu-aarch64-static)" miniroot/usr/bin
+    sudo chroot miniroot qemu-aarch64-static /bin/sh -ex /scripts/chroot/build.sh
+elif [ "$ALPINE_ARCH" = "armhf" ] ; then
+    echo "Architecture is armhf, hence using qemu-arm-static"
+    sudo cp "$(which qemu-arm-static)" miniroot/usr/bin
+    sudo cp "$repo_root_dir"/scripts/chroot/build.sh miniroot/build.sh && sudo chroot miniroot qemu-arm-static /bin/sh -ex /scripts/chroot/build.sh
+else
+    echo "Edit chroot_build.sh to support this architecture as well, it should be easy"
+    exit 1
+fi
+
+#############################################
+# Copy build artifacts out
+#############################################
+
+# Use the same architecture names as https://github.com/AppImage/AppImageKit/releases/
+case "$ALPINE_ARCH" in
+    x86)
+        appimage_arch=i686
+        ;;
+    *)
+        appimage_arch="$ALPINE_ARCH"
+        ;;
+esac
+
+cd "$repo_root_dir"
+mkdir -p ./out/
+sudo find "$tempdir"/miniroot/ -type f -executable -name "appimagetool-${appimage_arch}.AppImage"  -exec cp {} "out/appimagetool-${appimage_arch}.AppImage" \;
+# sudo find "$tempdir"/miniroot/ -type f -executable -name "runtime-${appimage_arch}.debug"  -exec cp {} "out/runtime-${appimage_arch}.debug" \;

scripts/install-static-mksquashfs.sh

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+#! /bin/bash
+
+set -euxo pipefail
+
+if [[ "${1:-}" == "" ]]; then
+    echo "Usage: $0 <version>"
+    exit 2
+fi
+
+version="$1"
+
+build_dir="$(mktemp -d -t mksquashfs-build-XXXXXX)"
+
+cleanup () {
+    if [ -d "$build_dir" ]; then
+        rm -rf "$build_dir"
+    fi
+}
+trap cleanup EXIT
+
+pushd "$build_dir"
+
+wget https://github.com/plougher/squashfs-tools/archive/refs/tags/"$version".tar.gz -qO - | tar xvz --strip-components=1
+
+cd squashfs-tools
+
+if [[ "${GITHUB_ACTIONS:-}" != "" ]]; then
+    jobs="$(nproc)"
+else
+    jobs="$(nproc --ignore=1)"
+fi
+
+make -j"$jobs" GZIP_SUPPORT=0 XZ_SUPPORT=0 LZO_SUPPORT=0 LZ4_SUPPORT=0 ZSTD_SUPPORT=1 COMP_DEFAULT=zstd LDFLAGS=-static USE_PREBUILT_MANPAGES=y install