$ git clone -n https://src.fedoraproject.org/rpms/golang-github-sourcegraph-annotate.git /var/lib/mock/f45-build-12498-442/root/chroot_tmpdir/scmroot/golang-github-sourcegraph-annotate
Cloning into '/var/lib/mock/f45-build-12498-442/root/chroot_tmpdir/scmroot/golang-github-sourcegraph-annotate'...
$ git fetch origin 4db168c13669421fcf73d0bfba94e5b4e01633e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-sourcegraph-annotate
 * [new ref]         4db168c13669421fcf73d0bfba94e5b4e01633e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4db168c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild