$ git clone -n https://src.fedoraproject.org/rpms/askbot-plugin-authfas.git /var/lib/mock/f39-build-1641321-40183/root/chroot_tmpdir/scmroot/askbot-plugin-authfas
Cloning into '/var/lib/mock/f39-build-1641321-40183/root/chroot_tmpdir/scmroot/askbot-plugin-authfas'...
$ git fetch origin 33d1be49b49fb4e1560e9c0c28f94c53d10c23dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/askbot-plugin-authfas
 * [new ref]         33d1be49b49fb4e1560e9c0c28f94c53d10c23dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33d1be4 Initial setup of the repo