我想在 Ubuntu 中创建 network-manager-openconnect 包的更新版本。显然我需要获取最新的包源：
bzr branch lp:~network-manager/network-manager/openconnect-ubuntu.head
然后呢？该软件包似乎有一种方法可以使用 git 从最新的上游代码更新自身。但我如何让它做到这一点？
错误：
[42740.562956] iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
[42740.563042] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
[42740.563047] iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 6
[42740.563054] iwlwifi 0000:00:14.3: Loaded firmware version: 66.f1c864e0.0 QuZ-a0-hr-b0-66.ucode
...
[42740.563724] ieee80211 phy0: Hardware restart was requested
[42822.293087] wlp0s20f3: deauthenticating from 6c:ae:f6:c7:c3:a6 by local choice (Reason: 3=DEAUTH_LEAVING)
[42829.563665] wlp0s20f3: authenticate with 6c:ae:f6:c7:c3:a8
[42829.568577] wlp0s20f3: send auth to 6c:ae:f6:c7:c3:a8 (try 1/3)
[42829.697166] wlp0s20f3: send auth to 6c:ae:f6:c7:c3:a8 (try 2/3)
[42829.801205] wlp0s20f3: send auth to 6c:ae:f6:c7:c3:a8 (try …