$ git clone -n https://src.fedoraproject.org/rpms/golang-github-schollz-progressbar-2.git /var/lib/mock/f41-build-1036375-18724/root/chroot_tmpdir/scmroot/golang-github-schollz-progressbar-2
Cloning into '/var/lib/mock/f41-build-1036375-18724/root/chroot_tmpdir/scmroot/golang-github-schollz-progressbar-2'...
$ git fetch origin c9e1f1418ea43392aaff31ddaacd83bc39d86009:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-schollz-progressbar-2
 * [new ref]         c9e1f1418ea43392aaff31ddaacd83bc39d86009 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9e1f14 Fix FTBFS