first commit

build-rootfs.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# ==========================================
+# EspOS OpenRC RootFS Builder
+# Debian 13 Trixie + EspOS unstable
+#
+# Genera:
+#   espos-openrc-rootfs.tar.xz
+#
+# No incluye:
+#   - live user
+#   - escritorio
+#   - instalador
+#   - configuración ISO
+# ==========================================
+
+
+ARCH="amd64"
+
+DEBIAN_SUITE="trixie"
+DEBIAN_MIRROR="http://deb.debian.org/debian"
+
+ESPOS_REPO="https://repo.espos.dev"
+ESPOS_SUITE="espos-unstable"
+
+ROOTFS="$(pwd)/rootfs"
+OUTPUT="espos-openrc-rootfs.tar.xz"
+
+
+# Paquete keyring generado previamente
+KEYRING_PACKAGE="espos-archive-keyring"
+
+
+# Nombre del keyring instalado por el paquete
+KEYRING_PATH="/usr/share/keyrings/espos-archive-keyring.gpg"
+
+
+
+BASE_PACKAGES="
+bash
+coreutils
+sudo
+ca-certificates
+locales
+tzdata
+curl
+wget
+openssh-server
+openrc
+dbus
+elogind
+"
+
+
+ESPOS_PACKAGES="
+base-files
+"
+
+
+cleanup()
+{
+    echo "[+] Desmontando sistemas virtuales"
+
+    umount -lf "$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 "$ROOTFS/sys" 2>/dev/null || true
+}
+
+
+trap cleanup EXIT
+
+
+
+echo "[+] Eliminando rootfs anterior"
+
+rm -rf "$ROOTFS"
+
+
+
+echo "[+] Creando Debian ${DEBIAN_SUITE}"
+
+
+debootstrap \
+    --arch="$ARCH" \
+    "$DEBIAN_SUITE" \
+    "$ROOTFS" \
+    "$DEBIAN_MIRROR"
+
+
+
+echo "[+] Copiando resolv.conf"
+
+cp /etc/resolv.conf "$ROOTFS/etc/resolv.conf"
+
+
+
+echo "[+] Montando pseudo 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 "[+] Preparando repo EspOS temporal"
+
+
+cat > "$ROOTFS/etc/apt/sources.list.d/espos.list" <<EOF
+deb [trusted=yes] ${ESPOS_REPO} ${ESPOS_SUITE} main
+EOF
+
+
+echo "[+] Cargando repo..."
+chroot "$ROOTFS" apt update
+
+
+echo "[+] Instalando keyring"
+chroot "$ROOTFS" apt install -y espos-archive-keyring
+
+echo "[+] Cambiando repo a signed-by"
+
+
+cat > "$ROOTFS/etc/apt/sources.list.d/espos.list" <<EOF
+deb [signed-by=${KEYRING_PATH}] ${ESPOS_REPO} ${ESPOS_SUITE} main
+EOF
+
+
+
+echo "[+] Actualizando repositorios firmados"
+
+
+chroot "$ROOTFS" apt update
+
+
+
+echo "[+] Instalando sistema base"
+
+
+chroot "$ROOTFS" apt install -y \
+    $BASE_PACKAGES
+
+
+
+echo "[+] Instalando paquetes EspOS"
+
+
+chroot "$ROOTFS" apt install -y \
+    $ESPOS_PACKAGES
+
+
+
+echo "[+] Configurando OpenRC como init"
+
+
+ln -sf /sbin/openrc-init "$ROOTFS/sbin/init"
+
+
+
+echo "[+] Eliminando systemd"
+
+
+chroot "$ROOTFS" apt purge -y \
+    systemd \
+    systemd-sysv \
+    2>/dev/null || true
+
+
+
+echo "[+] Configurando hostname"
+
+
+echo "espos" > "$ROOTFS/etc/hostname"
+
+
+
+echo "[+] Configurando locales"
+
+
+chroot "$ROOTFS" bash -c "
+echo 'en_US.UTF-8 UTF-8' > /etc/locale.gen
+locale-gen
+"
+
+
+
+echo "[+] Habilitando servicios base OpenRC"
+
+
+chroot "$ROOTFS" rc-update add devfs sysinit || true
+chroot "$ROOTFS" rc-update add procfs boot || true
+chroot "$ROOTFS" rc-update add sysfs boot || true
+
+
+
+echo "[+] Limpiando APT"
+
+
+chroot "$ROOTFS" apt clean
+
+rm -rf "$ROOTFS/var/lib/apt/lists/*"
+
+rm -rf "$ROOTFS/tmp/*"
+
+
+
+echo "[+] Creando rootfs comprimido"
+
+
+tar \
+    --numeric-owner \
+    -C "$ROOTFS" \
+    -cJf "$OUTPUT" .
+
+
+
+echo
+echo "======================================"
+echo " EspOS OpenRC rootfs creado"
+echo
+echo " $OUTPUT"
+echo "======================================"