http://wiki.t-firefly.com/zh_CN/AIO-3399J/linux_compile_gpt.html
按照此教程编译ubuntu固件的时候，遇到了问题，下载完了SDK之后解压，然后需要更新SDK的时候提示一下错误
lily@ubuntu:/home/share/AIO-3399J$ git reset --hard
fatal: Not a git repository (or any of the parent directories): .git
lily@ubuntu:/home/share/AIO-3399J$ pwd
/home/share/AIO-3399J
lily@ubuntu:/home/share/AIO-3399J$ cd Firefly_Linux_SDK_v1.0/
lily@ubuntu:/home/share/AIO-3399J/Firefly_Linux_SDK_v1.0$ git reset --hard
Checking out files: 100% (135654/135654), done.
HEAD is now at d37af61 [kernel] arm64: dts: fix some board modle name
lily@ubuntu:/home/share/AIO-3399J/Firefly_Linux_SDK_v1.0$ cd ..
lily@ubuntu:/home/share/AIO-3399J$ git clone https://github.com/FireflyTeam/bundle.git -b rk3399-linux-bundle
Cloning into ‘bundle’…
remote: Enumerating objects: 17, done.
remote: Counting objects: 100% (17/17), done.
remote: Compressing objects: 100% (15/15), done.
remote: Total 17 (delta 4), reused 15 (delta 2), pack-reused 0
Unpacking objects: 100% (17/17), done.
Checking connectivity… done.
lily@ubuntu:/home/share/AIO-3399J$ ls
bundle Firefly_Linux_SDK_v1.0
lily@ubuntu:/home/share/AIO-3399J$ bundle/update
[Info]Update Bundle repo…
From https://github.com/FireflyTeam/bundle
- branch master → FETCH_HEAD
[Info]Update to FETCH_HEAD:
fatal: Not a git repository (or any of the parent directories): .git
[ERROR]Fetch bundle/0.bundle error!!
fatal: Not a git repository (or any of the parent directories): .git
[ERROR]Fetch bundle/1.bundle error!!
fatal: Not a git repository (or any of the parent directories): .git
[ERROR]Fetch bundle/2.bundle error!!
fatal: Not a git repository (or any of the parent directories): .git
[ERROR]Fetch bundle/3.bundle error!!
另外执行 git rebase FETCH_HEAD 同步FETCH_HEAD到firefly分支也提示错误.
是什么原因呢，请帮忙看看！谢谢
