$ git clone -n https://src.fedoraproject.org/rpms/libsrtp.git /var/lib/mock/f45-build-17043-495/root/chroot_tmpdir/scmroot/libsrtp
Cloning into '/var/lib/mock/f45-build-17043-495/root/chroot_tmpdir/scmroot/libsrtp'...
$ git fetch origin 94a2e24cdc47926ba4c33f8628d7c4f0a088d1e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsrtp
 * [new ref]         94a2e24cdc47926ba4c33f8628d7c4f0a088d1e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94a2e24 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild