v1.02 项目重建

.gitignore

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+# temp files
+MYMETA.json
+MYMETA.yml
+pm_to_blib
+
+# backup files
+*~
+*.bak
+*.swp
+Makefile.old
+
+# directory
+blib/
+

Changes

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+v1.02   2015-08-07
+  * 更改了一处执行流程。
+
+v1.01   2015-05-03
+  * 现在脚本被当作指令安装了。
+
+v1.00   2014-10-10
+  * 修正了一处不继承环境变量时$USER 变量无效引起的错误。
+  * 修正了一处不正确的浮点数比较带来的错误。
+  * 更改了一处执行流程。
+

README.md

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+#关于
+项目用于在Slackware64 上安装32 位运行库。
+
+程序会自动检测Slackware 版本，您也可以手动指定版本。然而程序无法分辨Current 版本，请手动选择Current。
+
+如果BUG 请提交[Issues][id_Issues]。
+
+[id_Issues]: https://github.com/Arondight/slacklib32/issues "点此提交问题"
+
+#安装
+```
+git clone https://github.com/Arondight/slacklib32.git /tmp/slacklib32
+cd /tmp/slacklib32 && sudo ./install.sh
+sudo slacklib32
+```
+
+#截图
+![截图1](screenshots/screenshot1.png?raw=true)
+

bin/slacklib32.sh

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+#!/usr/bin/env bash
+# ===================================================== #
+# 如有BUG 请提交Issues                                  #
+# https://github.com/Arondight/slacklib32/issues        #
+#                                                       #
+#             Copyright (C) 2014-2015 秦凡东            #
+# ===================================================== #
+
+source /usr/local/lib/check_environment.sh
+source /usr/local/lib/main_window.sh
+source /usr/local/lib/get_arch.sh
+source /usr/local/lib/install_multilib.sh
+
+version=''
+target=''
+arch=''
+use_dialog=''
+work_directory=''
+cache_directory=''
+
+# MAIN () {
+  # 决定是否使用dialog
+  if type dialog >/dev/null 2>&1; then
+    use_dialog=true
+  else
+    use_dialog=false
+  fi
+
+  # 设定工作目录
+  work_directory=$HOME/.slacklib32
+  if [[ ! -d $work_directory ]]; then
+    mkdir -p "$work_directory"
+  fi
+
+  # 检查环境是否满足
+  check_environment $use_dialog
+  if [[ 0 == $? ]]; then
+    exit 1
+  fi
+
+  while true; do
+    # 得到Multilib 的版本号
+    version_file=$work_directory/version
+    main_window $use_dialog $work_directory
+    version=$(cat "$version_file")
+
+    # 得到架构
+    arch_file=$work_directory/arch
+    get_arch $use_dialog $work_directory
+    arch=$(cat "$arch_file")
+
+    # 构造缓存目录
+    cache_directory=/tmp/slacklib32/$version
+    if [[ ! -e $cache_directory ]]; then
+      mkdir -p $cache_directory
+    fi
+
+    # 安装Multilib
+    install_multilib $use_dialog $cache_directory $version
+
+    if [[ 0 == $? ]]; then
+      break;
+    fi
+  done
+
+  # 结尾的清理工作
+  rm -rf "$work_directory"
+
+  exit 0
+# }
+

install.sh

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+#!/usr/bin/env bash
+# ===================================================== #
+# 如有BUG 请提交Issues                                  #
+# https://github.com/Arondight/slacklib32/issues        #
+#                                                       #
+#             Copyright (C) 2014-2015 秦凡东            #
+# ===================================================== #
+
+cwd=$(dirname $(readlink -f $0))
+exec_target='/usr/local/bin/slacklib32'
+exec_file="$cwd/bin/slacklib32.sh"
+lib_target='/usr/local/lib'
+lib_dir="$cwd/lib"
+lib_files=('check_environment.sh' 'get_arch.sh' 'install_multilib.sh' 'main_window.sh')
+answer=''
+
+if [[ 0 -ne $UID ]]; then
+  echo "请使用root 权限运行$0。"
+  exit 1
+fi
+
+if [[ ! -e $exec_file ]]; then
+  echo "未发现文件${exec_file}，请尝试重新下载项目。"
+  exit 1
+fi
+
+if [[ -e $exec_target ]]; then
+  read -p '发现系统内已经存在一份slacklib32，要覆盖它吗？(Y/n)' answer
+  if [[ 'Y' != $answer ]]; then
+    echo '确认询问未通过，slacklib32 未安装。'
+    exit 1
+  fi
+fi
+
+cp -f "$exec_file" "$exec_target"
+
+i=0
+while [[ $i < ${#lib_files[@]} ]]; do
+  lib_files[$i]=$lib_dir/${lib_files[$i]}
+
+  if [[ ! -e ${lib_files[$i]} ]]; then
+    echo "某些脚本缺失，请尝试重新下载项目。"
+    exit 1
+  fi
+
+  let ++i
+done
+
+# now answer is yes
+for lib_file in ${lib_files[@]}; do
+  cp -f "$lib_file" "$lib_target"
+done
+
+if [[ 0 -eq $? ]]; then
+  echo "已经安装到$exec_target。"
+else
+  exit $?
+fi
+

lib/check_environment.sh

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+# ===================================================== #
+# 如有BUG 请提交Issues                                  #
+# https://github.com/Arondight/slacklib32/issues        #
+#                                                       #
+#             Copyright (C) 2014-2015 秦凡东            #
+# ===================================================== #
+
+# =========================
+# check_environment
+# 检查脚本依赖环境是否满足
+# 结果直接用return 语句返回
+# =========================
+function check_environment {
+  local use_dialog
+  local title='slacklib32'
+
+  use_dialog=$1
+  shift
+
+  # 无root 权限则退出
+  if [[ 0 -ne $UID ]]; then
+    msgbox='请使用root 权限运行脚本。'
+
+    if [[ true == $use_dialog ]]; then
+      dialog --title "$title" --msgbox "$msgbox" 5 50
+    else
+      echo "$msgbox"
+    fi
+
+    return 0
+  fi
+
+  # 不是Slackware Linux 则退出
+  if [[ ! -r /etc/slackware-version ]]; then
+    msgbox=$(
+      cat <<EOM
+您的系统似乎不是Slackware。
+如果的确是Slackware，请尝试重新安装aaa_base 软件包。
+EOM
+    )
+
+    if [[ true == $use_dialog ]]; then
+      dialog --title "$title" --msgbox "$msgbox" 10 50
+    else
+      echo "$msgbox"
+    fi
+
+    return 0
+  fi
+
+  # 无lftp 指令则退出
+  if ! type lftp >/dev/null 2>&1; then
+    msgbox='lftp 指令未发现，请先安装lftp。'
+
+    if [[ true == $use_dialog ]]; then
+      dialog --title "$title" --msgbox "$msgbox" 5 50
+    else
+      echo "$msgbox"
+    fi
+
+    return 0
+  fi
+
+  return 1
+}
+

lib/get_arch.sh

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+# ===================================================== #
+# 如有BUG 请提交Issues                                  #
+# https://github.com/Arondight/slacklib32/issues        #
+#                                                       #
+#             Copyright (C) 2014-2015 秦凡东            #
+# ===================================================== #
+
+# =========================
+# get_arch
+# 获得机器的架构
+# 结果存入$arch_file
+# =========================
+function get_arch () {
+  local arch
+  local use_dialog
+  local work_directory
+  local arch_file
+  local title='slacklib32'
+
+  use_dialog=$1
+  shift
+  work_directory=$1
+  arch_file=$work_directory/arch
+  shift
+  arch=$(uname -m)
+
+  if ! echo $arch | grep -P '64' >/dev/null 2>&1; then
+    msgbox='当前系统不是64 位系统。'
+
+    if [[ true == $use_dialog ]]; then
+      dialog --title "$title" --msgbox "$msgbox" 10 50
+    else
+      echo "$msgbox"
+    fi
+
+    exit 1
+  else
+    echo "$arch" > "$arch_file"
+  fi
+}
+

lib/install_multilib.sh

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+# ===================================================== #
+# 如有BUG 请提交Issues                                  #
+# https://github.com/Arondight/slacklib32/issues        #
+#                                                       #
+#             Copyright (C) 2014-2015 秦凡东            #
+# ===================================================== #
+
+# =========================
+# install_multilib
+# 下载并安装Multilib
+# 结果以return 语句返回
+# =========================
+function install_multilib () {
+  local use_dialog
+  local version
+  local cache_directory
+  local delete
+  local title='slacklib32'
+
+  use_dialog=$1
+  shift
+  cache_directory=$1
+  shift
+  version=$1
+  shift
+
+  # 下载Multilib 安装包
+  lftp -c "open http://slackware.com/~alien/multilib/; mirror -c -e $version $cache_directory;"
+  if [[ 0 != $? ]]; then
+    msgbox=$(
+      cat <<EOF
+无法下载对应的Multilib 安装包，可能是因为：
+1. 无法连接到网络
+2. 版本号不正确
+EOF
+    )
+    if [[ true == $use_dialog ]]; then
+      dialog --title "$title" --msgbox "$msgbox" 10 50
+    else
+      echo "$msgbox"
+    fi
+
+    return 1
+  fi
+
+  # 安装
+  find "$cache_directory" \
+    -name '*.t?z' \
+    -exec /sbin/upgradepkg --reinstall --install-new {} \;
+
+  # 清理：Slackware 的/tmp 目录默认不是tmpfs 的挂载点
+  yesno="是否删除缓存的Multilib 安装包（$cache_directory）？"
+  if [[ true == $use_dialog ]]; then
+    dialog --title "$title" --yesno "$yesno" 5 50;
+    if [[ 0 == $? ]]; then
+      delete=true
+    else
+      delete=false
+    fi
+  else
+    read -p "$yesno（y/n）" delete
+    delete=$(echo $delete | tr '[:lower:]' '[:upper:]')
+    if [[ 'Y' == $delete ]]; then
+      delete=true
+    else
+      delete=false
+    fi
+  fi
+  if [[ true == $delete ]]; then
+    rm --verbose --recursive --force $cache_directory
+  fi
+
+  return 0
+}
+