[aur-general] Can't git push, 'detached HEAD' state

[Fabio Loli via aur-general]

Hi, I can't git push in a pkgbuild I have recently adopted and don't 
know how to fix this.

Logs for git clone and git push can be seen here:
https://bin.disroot.org/?5bcc8b5042367adc#5mWdBewwCSZ3UrqvArYpe3rCfey5uEK85DJW4yxoXN8D

https://bin.disroot.org/?da0c1f97d7791bec#DLKBzdobn82V6zs3tS1dNy692ed6CMfa2T4o4uCUD2bJ