Files
rootfs/build-rootfs.sh
T

272 lines
3.8 KiB
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#!/usr/bin/env bash
set -euo pipefail
# ==========================================
# EspOS OpenRC RootFS Builder
# Debian 13 Trixie + EspOS unstable
#
# Output:
# espos-openrc-rootfs.tar.xz
#
# No incluye:
# - live user
# - escritorio
# - instalador
# ==========================================
ARCH="amd64"
DEBIAN_SUITE="trixie"
DEBIAN_MIRROR="http://deb.debian.org/debian"
ESPOS_REPO="https://repo.elordenador.org"
ESPOS_SUITE="espos-unstable"
ROOTFS="$(pwd)/rootfs"
OUTPUT="espos-openrc-rootfs.tar.xz"
KEYRING_PACKAGE="espos-archive-keyring"
KEYRING_PATH="/usr/share/keyrings/espos-archive-keyring.gpg"
BASE_PACKAGES="
bash
coreutils
sudo
ca-certificates
locales
tzdata
curl
wget
openssh-server
openrc
dbus
elogind
init-system-helpers
"
ESPOS_PACKAGES="
base-files
espos-release
"
cleanup()
{
echo "[+] Cleaning mounts"
umount -lf "$ROOTFS/dev/pts" 2>/dev/null || true
umount -lf "$ROOTFS/dev" 2>/dev/null || true
umount -lf "$ROOTFS/proc" 2>/dev/null || true
umount -lf "$ROOTFS/sys" 2>/dev/null || true
}
trap cleanup EXIT
echo "[+] Removing old rootfs"
rm -rf "$ROOTFS"
echo "[+] Creating Debian ${DEBIAN_SUITE} minbase"
debootstrap \
--variant=minbase \
--arch="$ARCH" \
"$DEBIAN_SUITE" \
"$ROOTFS" \
"$DEBIAN_MIRROR"
echo "[+] Copying DNS"
cp /etc/resolv.conf "$ROOTFS/etc/resolv.conf"
echo "[+] Mounting virtual filesystems"
mount --bind /dev "$ROOTFS/dev"
mount --bind /dev/pts "$ROOTFS/dev/pts"
mount -t proc proc "$ROOTFS/proc"
mount -t sysfs sys "$ROOTFS/sys"
echo "[+] Installing ca-certificates first"
chroot "$ROOTFS" apt update
chroot "$ROOTFS" apt install -y \
ca-certificates
echo "[+] Blocking systemd packages"
cat > "$ROOTFS/etc/apt/preferences.d/no-systemd" <<EOF
Package: systemd systemd-sysv libsystemd0
Pin: release *
Pin-Priority: -1
EOF
echo "[+] Adding temporary EspOS repository"
cat > "$ROOTFS/etc/apt/sources.list.d/espos.list" <<EOF
deb [trusted=yes] ${ESPOS_REPO} ${ESPOS_SUITE} main
EOF
echo "[+] Copying local deb packages"
mkdir -p "$ROOTFS/tmp/packages"
cp ./*.deb "$ROOTFS/tmp/packages/" 2>/dev/null || true
echo "[+] Installing EspOS archive keyring"
if ls "$ROOTFS/tmp/packages/${KEYRING_PACKAGE}"*.deb >/dev/null 2>&1
then
chroot "$ROOTFS" dpkg -i \
/tmp/packages/${KEYRING_PACKAGE}*.deb
else
echo "[ERROR] Missing ${KEYRING_PACKAGE}.deb"
exit 1
fi
echo "[+] Switching EspOS repo to signed-by"
cat > "$ROOTFS/etc/apt/sources.list.d/espos.list" <<EOF
deb [signed-by=${KEYRING_PATH}] ${ESPOS_REPO} ${ESPOS_SUITE} main
EOF
echo "[+] Updating signed repositories"
chroot "$ROOTFS" apt update
echo "[+] Installing OpenRC base system"
chroot "$ROOTFS" apt install -y \
$BASE_PACKAGES
echo "[+] Installing EspOS packages"
chroot "$ROOTFS" apt install -y \
$ESPOS_PACKAGES
echo "[+] Removing remaining systemd packages"
chroot "$ROOTFS" apt purge -y \
systemd \
systemd-sysv \
systemd-timesyncd \
2>/dev/null || true
echo "[+] Configuring OpenRC init"
ln -sf /sbin/openrc-init "$ROOTFS/sbin/init"
echo "[+] Configuring hostname"
echo "espos" > "$ROOTFS/etc/hostname"
echo "[+] Generating locales"
chroot "$ROOTFS" bash -c "
echo 'en_US.UTF-8 UTF-8' > /etc/locale.gen
locale-gen
"
echo "[+] Enabling OpenRC base services"
chroot "$ROOTFS" rc-update add devfs sysinit || true
chroot "$ROOTFS" rc-update add procfs boot || true
chroot "$ROOTFS" rc-update add sysfs boot || true
echo "[+] Cleaning apt"
chroot "$ROOTFS" apt clean
rm -rf "$ROOTFS/var/lib/apt/lists/*"
rm -rf "$ROOTFS/tmp/*"
echo "[+] Creating rootfs archive"
tar \
--numeric-owner \
-C "$ROOTFS" \
-cJf "$OUTPUT" .
echo
echo "========================================"
echo " EspOS OpenRC rootfs created"
echo
echo " Output:"
echo " $OUTPUT"
echo "========================================"