這個issue AIM in CRM and C4C裡介紹了C4C和CRM的After import mechanism.
在Hybris裡，客戶把2個G的Hybris安裝包下載下傳下來，然後在指令行裡運作指令安裝，實際上就是用ant的build指令。
為什麼要執行build:
The reasons why you need to build SAP Hybris Commerce are as follows:
(1) SAP Hybris Commerce is an extendable complex solution, and it has a very flexible structure. During the build process, all referenced components are integrated.
(2) Runtime files and configuration files are created, prepared, and validated.
(3) Some parts of SAP Hybris Commerce are compiled, such as ServiceLayer and Other SAP Hybris Commerce components you have implemented.
在我電腦上build需要将近半小時：
這個build起的作用ABAPer可以了解成ABAP裡的tcode SGEN:
Hybris比SGEN強大之處在于能允許partner自定義build logic,相當于在Hybris标準的build 邏輯執行的過程中，定義了一些"BAdI definition".
Partner可以通過編輯extension下的buildcallbacks.xml來定義custom build behavior: