timschumi [1] filed a orphan request for git-cola [2]:

This package is currently not buildable due to a syntax error in the PKGBUILD file. The issue was first mentioned on 2018-06-10, but the current maintainer neither responded nor did he fix the issue so far.

[1] https://aur.archlinux.org/account/timschumi/ [2] https://aur.archlinux.org/pkgbase/git-cola/