$ git clone -n https://src.fedoraproject.org/rpms/will-crash.git /var/lib/mock/f40-build-2065080-49167/root/chroot_tmpdir/scmroot/will-crash
Cloning into '/var/lib/mock/f40-build-2065080-49167/root/chroot_tmpdir/scmroot/will-crash'...
$ git fetch origin 9a0bff7db94a87e089b6e00ae01d2aace41d68d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/will-crash
 * [new ref]         9a0bff7db94a87e089b6e00ae01d2aace41d68d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a0bff7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild