apt_move_Before.sh

#!/bin/bash

# 【apt-move 预处理】
# 查询已安装的deb包，并缓存包到 /var/cache/apt/archives，如果不存在的话


# grep -v ： 排除指定的字符串
# if -z : 字符串长度为0返回 true
# if -n : 字符串长度不为0返回 true
# if -e : 检测文件(包括目录)是否存在，如果是，则返回 true。
# if -f : 检测文件是否是普通文件(既不是目录，也不是设备文件)，如果是，则返回 true。


# ================================================== 
# 函数名称: FixFileName
# 函数功能: 修复文件名
# 函数参数:  
#     	   $1:  工作路径
#     	 [$2]:  
#  将会复制 .deb 到 /var/cache/apt/archives
# ================================================== 
function FixFileName(){
    local Fix_OldCD="`pwd`"
    local Fix_WorkDir="${1}"
    
    cd "${Fix_WorkDir}"
    
    # Fix：修复文件名
    #  注意，有些软件包信息如下
    #  gawk/stable,now 1:5.2.1-2 amd64
    #  下载后，1: 会编码为 1%3a
    #  gawk_1%3a5.2.1-2_amd64.deb
    #  这和源文件名称不同，需要处理。
    #
    # 遍历当前目录下的所有 .deb 文件
    for file in *.deb; do
        # 去除 1%3a
        new_file=$(echo "$file" | sed -E 's/_[^_]*%3a/_/')
        # 如果新文件名与旧文件名不同，则进行重命名
        if [[ "$file" != "$new_file" ]]; then
            mv -f "$file" "$new_file"
            echo "$file => $new_file"
        fi
        # 复制文件
        if [ -f "$new_file" ];then
            if [ ! -f "/var/cache/apt/archives/$new_file" ];then
                mv -f "$new_file"  "/var/cache/apt/archives/"
            else
                rm -f "$new_file"  
            fi
        fi
    done
    
    cd "${Fix_OldCD}"
}
##### 函数测试 #####
# FixFileName  "/tmp/34343/" 


# apt list --installed
#  Listing...
#  zstd/stable,now 1.5.4+dfsg2-5 amd64 [installed]

# apt-cache show PackageName 显示信息包含如下：
# Package: bc
# Version: 1.07.1-3+b1
# Architecture: amd64
# Filename: pool/main/b/bc/bc_1.07.1-3+b1_amd64.deb


# 列出所有已安装的包
# zstd/stable,now/1.5.4+dfsg2-5/amd64
INSTALLED_PACKAGES=$(apt list --installed | grep -v "Listing..."  | awk '{print $1 "/" $2 "/" $3}')
# INSTALLED_PACKAGES=$(apt list --installed | grep -v "Listing..." |  head -n 5  | awk '{print $1 "/" $2 "/" $3}')

OldCD="`pwd`"
# 临时目录
TMPDIR="/tmp/apt_cache_prv"
mkdir -p  "${TMPDIR}" 2>/dev/null
# 待下载的包
#TMPFILE_Package="${TMPDIR}/ARR_Package.sh"
# 下载失败的包
TMPFILE_PackageNoDown="${TMPDIR}/ARR_PackageNoDown.sh"
# APT缓存路径
APT_CachePath="/var/cache/apt/archives"


# 遍历每个已安装的包
i=1
Count1=0
for PACKAGE_WITH_VERSION in $INSTALLED_PACKAGES; do
    # 包名(zstd)
    PACKAGE_NAME=$(echo "$PACKAGE_WITH_VERSION" | awk -F "/" '{print $1}')
    # 包版本(1.5.4+dfsg2-5)
    PACKAGE_VERSION=$(echo "$PACKAGE_WITH_VERSION" | awk -F "/" '{print $3}')
    # 包架构(amd64)
    PACKAGE_ARCH=$(echo "$PACKAGE_WITH_VERSION" | awk -F "/" '{print $4}')
    # 包信息
    PACKAGE_INFO=$(apt-cache show $PACKAGE_NAME 2>/dev/null)
    
    # 检查是否成功获取了包信息
    if [ -z "$PACKAGE_INFO" ]; then
        echo "Failed to retrieve information for package $PACKAGE_NAME"
        continue
    fi
    
    # 包文件名
    # 从包信息中提取 .deb 文件名
    # Filename: pool/main/b/bc/bc_1.07.1-3+b1_amd64.deb  =>
    # pool/main/b/bc/bc_1.07.1-3+b1_amd64.deb
    DEB_FILEPATH=$(echo "$PACKAGE_INFO" | grep 'Filename:'| grep "${PACKAGE_ARCH}" | head -n 1 | awk '{print $2}')
    # bc_1.07.1-3+b1_amd64.deb
    DEB_FILENAME="${DEB_FILEPATH##*/}"
    
    # 生成待下载的包的相关信息
    # 在 ${APT_CachePath} 下不存在包时
    if [ -n "$DEB_FILENAME" ]; then
        # 包文件名 不为空时...
        if [ ! -f "${APT_CachePath}/${DEB_FILENAME}" ]; then
            # 文件不存在时...
            
            # Package: apt-move
            # Version: 4.2.27-6
            # Architecture: amd64
            # Filename: apt-move_4.2.27-6_amd64.deb
            # echo "Package: ${PACKAGE_NAME}" 
            # echo "Version: ${PACKAGE_VERSION}" 
            # echo "Architecture: ${PACKAGE_ARCH}" 
            # echo "Filename: ${DEB_FILENAME}"
            
            ARR_Package_Name[${i}]="${PACKAGE_NAME}"
            ARR_Package_Version[${i}]="${PACKAGE_VERSION}"
            ARR_Package_Architecture[${i}]="${PACKAGE_ARCH}"
            ARR_Package_FileName[${i}]="${DEB_FILENAME}"
            Count1=${i}
            let i++
        fi
    fi
done

# 下载软件包
Tmp_DownPath="/tmp/APTDOWN_`date +%s`"
mkdir -p "${Tmp_DownPath}"
cd ${Tmp_DownPath}
i=1
Count2=0
for key in ${!ARR_Package_Name[@]};do
    if [ ! -f "${APT_CachePath}/${ARR_Package_FileName[$key]}" ]; then
        # 文件不存在时，下载
        # 下载包: 1次尝试
        echo -e "\033[1;37m[Down:1] ${ARR_Package_Name[$key]} : ${ARR_Package_FileName[$key]} ...\033[0m" 
        apt-get download ${ARR_Package_Name[$key]}
        FixFileName  "${Tmp_DownPath}"
        if [ ! -f "${APT_CachePath}/${ARR_Package_FileName[$key]}" ]; then
            # 下载包: 2次尝试
            echo -e "\033[1;37m[Down:2] ${ARR_Package_Name[$key]} : ${ARR_Package_FileName[$key]} ...\033[0m" 
            apt-get download ${ARR_Package_Name[$key]}
            FixFileName  "${Tmp_DownPath}"
            if [ ! -f "${APT_CachePath}/${ARR_Package_FileName[$key]}" ]; then
                # 文件不存在时...
                ARR_PackageNoDown_Name[${i}]="${ARR_Package_Name[$key]}"
                ARR_PackageNoDown_Version[${i}]="${ARR_Package_Version[$key]}"
                ARR_PackageNoDown_Architecture[${i}]="${ARR_Package_Architecture[$key]}"
                ARR_PackageNoDown_FileName[${i}]="${ARR_Package_FileName[$key]}"
                Count2=${i}
                let i++
                # 失败
                echo -e "\033[1;31m[Down:2] ${ARR_Package_Name[$key]} : ${ARR_Package_FileName[$key]}\033[0m" 
            else
                # 成功
                echo -e "\033[1;32m[Down:2] ${ARR_Package_Name[$key]} : ${ARR_Package_FileName[$key]}\033[0m" 
            fi
        else
            # 成功
            echo -e "\033[1;32m[Down:1] ${ARR_Package_Name[$key]} : ${ARR_Package_FileName[$key]}\033[0m" 
        fi
    fi
    echo 
done


# 下载结果反馈
# -gt > | -lt < | -eq = | -ne !=  | -ge >= | -le <=
if [  ${Count2} -gt 0 ]; then
    echo "#!/bin/bash">"${TMPFILE_PackageNoDown}"
fi
echo ""
for key in ${!ARR_PackageNoDown_Name[@]};do
    # 持久化 下载失败 的数据
    echo -e "\033[1;31m[DownError] ${ARR_PackageNoDown_Name[$key]} : ${ARR_PackageNoDown_FileName[$key]}\033[0m"
    echo "ARR_PackageNoDown_Name[$key]=\"${ARR_PackageNoDown_Name[$key]}\"">>"${TMPFILE_PackageNoDown}"
    echo "ARR_PackageNoDown_Version[$key]=\"${ARR_PackageNoDown_Version[$key]}\"">>"${TMPFILE_PackageNoDown}"
    echo "ARR_PackageNoDown_Architecture[$key]=\"${ARR_PackageNoDown_Architecture[$key]}\"">>"${TMPFILE_PackageNoDown}"
    echo "ARR_PackageNoDown_FileName[$key]=\"${ARR_PackageNoDown_FileName[$key]}\"">>"${TMPFILE_PackageNoDown}"
done
if [  ${Count2} -gt 0 ]; then
    echo "[Out] ${TMPFILE_PackageNoDown}"
    echo "[Use] source ${TMPFILE_PackageNoDown}"
fi
echo ""
Count3=0
Count3=$((${Count1}-${Count2}))
echo -e "\033[1;37m下载数量:\033[0m \033[1;33m${Count1}\033[0m   \033[1;37m下载失败:\033[0m \033[1;31m${Count2}\033[0m   \033[1;37m下载成功:\033[0m \033[1;32m${Count3}\033[0m"

cd ${OldCD}

# 允许组用户和其他用户读和执行
# Fix: 
#     W: Download is performed unsandboxed as root as file '/....deb' couldn't be accessed by user '_apt'.
chmod -R 755 "${APT_CachePath}"