create_high_sierra_online_install_iso_for_vmware

#!/bin/bash

# 用于创建macOS安装ISO的脚本文件
# 初始脚本来源：http://www.insanelymac.com/forum/topic/308533-how-to-create-a-bootable-el-capitan-iso-fo-vmware/

set -x

SCRIPT_PATH=`pwd`/$0
DMG_PATH="/Applications/Install macOS High Sierra.app/Contents/SharedSupport"

# 先卸载要用到的卷名，避免冲突
hdiutil detach "/Volumes/InstallESD" &> /dev/null
hdiutil detach "/Volumes/OS X Base System" &> /dev/null
rm /tmp/HighSierra.sparseimage &> /dev/null

# Create the High Sierra Blank ISO Image with a Single Partition - Apple Partition Map
hdiutil create -o /tmp/HighSierra -size 3g -layout SPUD -fs HFS+J -type SPARSE

# Mount the High Sierra Blank ISO Image
hdiutil attach /tmp/HighSierra.sparseimage -noverify -nobrowse -mountpoint /Volumes/install_build

# Restore the Base System into the High Sierra Blank ISO Image
asr restore -source "$DMG_PATH/BaseSystem.dmg" -target /Volumes/install_build -noprompt -noverify -erase

# 更改磁盘名称与当前版本相关
VERSION=$(sed -n -e 's/.*<string>\(.*\)<\/string>.*/\1/p' /Volumes/OS\ X\ Base\ System/System/Library/CoreServices/SystemVersion.plist | tail -n 1)
VOLUME_NAME="macOS $VERSION Online Install"
hdiutil detach /Volumes/"$VOLUME_NAME" &> /dev/null
diskutil rename "OS X Base System" "$VOLUME_NAME"

# 复制光盘图标
cp -p "$DMG_PATH/../../Contents/Resources/InstallAssistant.icns" /Volumes/"$VOLUME_NAME"/.VolumeIcon.icns
SetFile -a C /Volumes/"$VOLUME_NAME"/

# 将本脚本复制到光盘
cp -a $SCRIPT_PATH /Volumes/"$VOLUME_NAME"/

# 写入说明文件
cat << EOF > /Volumes/"$VOLUME_NAME"/说明.txt
此镜像为VMware Workstation安装苹果系统用，原始文件来源于苹果系统官方更新包，未添加任何其他程序，完全可放心使用。
更新包获取方法：在App Store中查找High Sierra，并点击“获取”，等下载完不安装。然后执行ISO打包脚本即可创建此ISO。
注意：系统需要先安装Commnad Line Developer Tools才能执行打包命令，或者在执行出错时按提示安装，安装后再次执行即可。
镜像作者：小桥
QQ：29551030
EOF

# Copy installer package
hdiutil attach "$DMG_PATH/InstallESD.dmg" -noverify -nobrowse -mountpoint /Volumes/InstallESD
ditto -V /Volumes/InstallESD/Packages/OSInstall.mpkg /Volumes/"$VOLUME_NAME"/
hdiutil detach "/Volumes/InstallESD" &> /dev/null

# Unmount the High Sierra ISO Image
hdiutil detach /Volumes/"$VOLUME_NAME"

hdiutil resize -size `hdiutil resize -limits /tmp/HighSierra.sparseimage | tail -n 1 | awk '{ print $1 }'`b /tmp/HighSierra.sparseimage

# Convert the High Sierra ISO Image to ISO/CD master (Optional)
hdiutil convert /tmp/HighSierra.sparseimage -format UDTO -o /tmp/HighSierra.iso

rm /tmp/HighSierra.sparseimage

# Rename the High Sierra ISO Image and move it to the desktop
mv /tmp/HighSierra.iso.cdr ~/Desktop/"$VOLUME_NAME".iso