Nightly-centos7's git is broken?

I've been adding more Linux builders for Alamofire and found that, while the 5.6.1-centos7 image works, the nightly-centos7 fails to clone the repo due to a git error (log here):

/opt/rh/rh-git227/root/usr/libexec/git-core/git-remote-https: error while loading shared libraries: cannot open shared object file: No such file or directory

I'm not sure where responsibility lies here, but I figured I'd start here.

Yes it is. rh-git227 depends on httpd24 but we didn't add that to path correctly, so it will crash at runtime.

I have submitted apple/swift-docker#306 to fix the problem, but the solution may not be the most perfect, and I've no idea on when it can get merged.