$ git clone -n https://src.fedoraproject.org/rpms/golang-github-hhrutter-tiff.git /var/lib/mock/f45-build-12045-437/root/chroot_tmpdir/scmroot/golang-github-hhrutter-tiff
Cloning into '/var/lib/mock/f45-build-12045-437/root/chroot_tmpdir/scmroot/golang-github-hhrutter-tiff'...
$ git fetch origin f3bfd25a4fbbaa94f7c1c35c5a4df22a57f735e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-hhrutter-tiff
 * [new ref]         f3bfd25a4fbbaa94f7c1c35c5a4df22a57f735e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3bfd25 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild