$ git clone -n https://src.fedoraproject.org/rpms/rust-vte.git /var/lib/mock/f45-build-46110-830/root/chroot_tmpdir/scmroot/rust-vte
Cloning into '/var/lib/mock/f45-build-46110-830/root/chroot_tmpdir/scmroot/rust-vte'...
$ git fetch origin 3adc9f5ff949f400003aa5e9b1093262eb86d6dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vte
 * [new ref]         3adc9f5ff949f400003aa5e9b1093262eb86d6dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3adc9f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild