$ git clone -n https://src.fedoraproject.org/rpms/libosmo-dsp.git /var/lib/mock/f45-build-16722-490/root/chroot_tmpdir/scmroot/libosmo-dsp
Cloning into '/var/lib/mock/f45-build-16722-490/root/chroot_tmpdir/scmroot/libosmo-dsp'...
$ git fetch origin 4e8fb9af610e9d90afa1fabb2ef1231492545def:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libosmo-dsp
 * [new ref]         4e8fb9af610e9d90afa1fabb2ef1231492545def -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e8fb9a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild