$ git clone -n https://src.fedoraproject.org/rpms/rubygem-progressbar.git /var/lib/mock/f38-build-side-42-init-devel-487066-24351/root/chroot_tmpdir/scmroot/rubygem-progressbar
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-487066-24351/root/chroot_tmpdir/scmroot/rubygem-progressbar'...
$ git reset --hard b9feb3ba9e08d4334d4d2295182849c6b434f114
HEAD is now at b9feb3b add workaround