$ git clone -n https://src.fedoraproject.org/rpms/rust-ansi-width.git /var/lib/mock/f45-build-40049-767/root/chroot_tmpdir/scmroot/rust-ansi-width
Cloning into '/var/lib/mock/f45-build-40049-767/root/chroot_tmpdir/scmroot/rust-ansi-width'...
$ git fetch origin 2e35bea0ca90a1d67a02efed7b83d62dd58c2e40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ansi-width
 * [new ref]         2e35bea0ca90a1d67a02efed7b83d62dd58c2e40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e35bea Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild