debootstrap-kylin/create-link.sh

#!/bin/bash

command -v debootstrap || exit 100

BOOTSTRAP_BIN_FILE=$(which debootstrap)
REAL_BOOTSTRAP_BIN_FILE=$(readlink -f ${BOOTSTRAP_BIN_FILE})
echo "BOOTSTRAP_BIN_FILE=${BOOTSTRAP_BIN_FILE}"
echo "REAL_BOOTSTRAP_BIN_FILE=${REAL_BOOTSTRAP_BIN_FILE}"

SCRIPT_DIR=$(dirname $(readlink -f $0))

if [ ${BOOTSTRAP_BIN_FILE} = ${REAL_BOOTSTRAP_BIN_FILE} ]; then
    TIMESTAMP=$(date '+%Y-%m-%d')

    echo "sudo mv ${BOOTSTRAP_BIN_FILE} ${BOOTSTRAP_BIN_FILE}-${TIMESTAMP}.bak"
    sudo mv ${BOOTSTRAP_BIN_FILE} ${BOOTSTRAP_BIN_FILE}-${TIMESTAMP}.bak
    echo "sudo ln -sf ${SCRIPT_DIR}/usr/sbin/debootstrap /usr/sbin/debootstrap"
    sudo ln -sf ${SCRIPT_DIR}/usr/sbin/debootstrap /usr/sbin/debootstrap

    echo "sudo mv /usr/share/debootstrap/functions{,-${TIMESTAMP}.bak}"
    sudo mv /usr/share/debootstrap/functions{,-${TIMESTAMP}.bak}
    echo "sudo ln -sf ${SCRIPT_DIR}/usr/share/debootstrap/functions /usr/share/debootstrap/functions"
    sudo ln -sf ${SCRIPT_DIR}/usr/share/debootstrap/functions /usr/share/debootstrap/functions

    echo "sudo mv /usr/share/debootstrap/scripts/gutsy{,-${TIMESTAMP}.bak}"
    sudo mv /usr/share/debootstrap/scripts/gutsy{,-${TIMESTAMP}.bak}
    echo "sudo ln -sf ${SCRIPT_DIR}/usr/share/debootstrap/scripts/gutsy /usr/share/debootstrap/scripts/gutsy"
    sudo ln -sf ${SCRIPT_DIR}/usr/share/debootstrap/scripts/gutsy /usr/share/debootstrap/scripts/gutsy
fi

# 查看文件软链接情况
ls -lh /usr/sbin/debootstrap
ls -lh /usr/share/debootstrap/functions
ls -lh /usr/share/debootstrap/scripts/gutsy