$ git clone -n https://src.fedoraproject.org/rpms/sdl-crypto.git /var/lib/mock/f45-build-35723-698/root/chroot_tmpdir/scmroot/sdl-crypto
Cloning into '/var/lib/mock/f45-build-35723-698/root/chroot_tmpdir/scmroot/sdl-crypto'...
$ git fetch origin f434be84405bcb540f1cf445f0a19e5985a98daa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdl-crypto
 * [new ref]         f434be84405bcb540f1cf445f0a19e5985a98daa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f434be8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild