$ git clone -n https://src.fedoraproject.org/rpms/rust-ab_glyph.git /var/lib/mock/f45-build-39776-754/root/chroot_tmpdir/scmroot/rust-ab_glyph
Cloning into '/var/lib/mock/f45-build-39776-754/root/chroot_tmpdir/scmroot/rust-ab_glyph'...
$ git fetch origin 3a86b358701e9d804ed60cda5f647b05392a4ca0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ab_glyph
 * [new ref]         3a86b358701e9d804ed60cda5f647b05392a4ca0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a86b35 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild