mirror of
https://github.com/termux/proot-distro.git
synced 2024-11-11 11:49:20 +00:00
130 lines
3.5 KiB
Bash
Executable File
130 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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##
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## Script for making rootfs creation easier.
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##
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set -e -u
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if [ "$(uname -o)" = "Android" ]; then
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echo "[!] This script cannot be executed on Android OS."
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exit 1
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fi
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for i in curl git jq mmdebstrap sudo tar xz; do
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if [ -z "$(command -v "$i")" ]; then
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echo "[!] '$i' is not installed."
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exit 1
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fi
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done
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# Where to put generated plug-ins.
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PLUGIN_DIR=$(dirname "$(realpath "$0")")/distro-plugins
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# Where to look for distribution build recipes
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BUILD_DIR=$(dirname "$(realpath "$0")")/distro-build
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# Where to put generated rootfs tarballs.
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ROOTFS_DIR=$(dirname "$(realpath "$0")")/rootfs
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# Working directory where chroots will be created.
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WORKDIR=/tmp/proot-distro-bootstrap
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# This is used to generate proot-distro plug-ins.
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TAB=$'\t'
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CURRENT_VERSION=$(git tag | sort -Vr | head -n1)
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if [ -z "$CURRENT_VERSION" ]; then
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echo "[!] Cannot detect the latest proot-distro version tag."
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exit 1
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fi
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# Usually all newly created tarballs are uploaded into GitHub release of
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# current proot-distro version.
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GIT_RELEASE_URL="https://github.com/termux/proot-distro/releases/download/${CURRENT_VERSION}"
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# Normalize architecture names.
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# Prefer aarch64, arm, i686, riscv64, x86_64 architecture names
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# just like used by termux-packages.
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translate_arch() {
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case "$1" in
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aarch64|arm64) echo "aarch64";;
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arm|armel|armhf|armhfp|armv7|armv7l|armv7a|armv8l) echo "arm";;
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386|i386|i686|x86) echo "i686";;
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riscv64) echo "riscv64";;
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amd64|x86_64) echo "x86_64";;
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*)
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echo "translate_arch(): unknown arch '$1'" >&2
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exit 1
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;;
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esac
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}
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# Common way to archive the rootfs.
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# Usage: archive_rootfs /path/to/rootfs.tar.xz rootfs-dir
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# rootfs-dir is relative to $WORKDIR
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archive_rootfs() {
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SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(date +%s)}"
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echo "SOURCE_DATE_EPOCH: ${SOURCE_DATE_EPOCH}"
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sudo rm -f "${1}.tmp"
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sudo tar \
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--directory="$WORKDIR" \
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--create \
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--sort=name \
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--hard-dereference \
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--mtime="@${SOURCE_DATE_EPOCH}" \
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--numeric-owner \
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--preserve-permissions \
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--acls \
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--xattrs \
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--xattrs-include='*' \
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--xz \
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--file="${1}.tmp" \
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"$2"
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sudo chown $(id -un):$(id -gn) "${1}.tmp"
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mv "${1}.tmp" "${1}"
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}
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##############################################################################
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# Reset workspace. This also deletes any previously made rootfs tarballs.
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sudo rm -rf "${WORKDIR:?}"
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mkdir -p "$ROOTFS_DIR" "$WORKDIR"
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cd "$WORKDIR"
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# Build distribution. if no argument is supplied then all distributions will be built
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if [ "$#" -gt 0 ]; then
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DISTRIBUTIONS="$*"
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else
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DISTRIBUTIONS="$(cd ${BUILD_DIR}; ls -1 *.sh | sed 's/.sh//')"
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fi
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# Loop over to build a specified distribution
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for distro in ${DISTRIBUTIONS}; do
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# Check distribution recipe that is about to built. if it doesn't exist. continue to next distribution
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if [ ! -f "${BUILD_DIR}/${distro}.sh" ]; then
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continue
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fi
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. "${BUILD_DIR}/${distro}.sh"
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printf "\n[*] Building ${dist_name:=$distro}...\n"
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# Bootstrap step
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# If the function does not exists, abort to indicate there's an error occured during build
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if ! declare -F bootstrap_distribution &> /dev/null; then
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echo "[!] Failure to build rootfs ${distro}, missing bootstrap_distribution function. aborting..."
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exit 1
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fi
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bootstrap_distribution
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# Plugin generation step
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if ! declare -F write_plugin &> /dev/null; then
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echo "[!] Failure to generate plugin for ${distro}, missing write_plugin function. aborting..."
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exit 1
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fi
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write_plugin
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# Cleanup variables and functions
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unset dist_name dist_version
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unset -f bootstrap_distribution write_plugin
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done
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