$ git clone -n https://src.fedoraproject.org/rpms/golang-github-schollz-progressbar-2.git /var/lib/mock/f45-build-12399-442/root/chroot_tmpdir/scmroot/golang-github-schollz-progressbar-2
Cloning into '/var/lib/mock/f45-build-12399-442/root/chroot_tmpdir/scmroot/golang-github-schollz-progressbar-2'...
$ git fetch origin 145e13e95a8b4c300513694e9140030b34c86ab3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-schollz-progressbar-2
 * [new ref]         145e13e95a8b4c300513694e9140030b34c86ab3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 145e13e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild