$ git clone -n https://src.fedoraproject.org/rpms/rust-av-metrics.git /var/lib/mock/f40-build-2679678-67934/root/chroot_tmpdir/scmroot/rust-av-metrics
Cloning into '/var/lib/mock/f40-build-2679678-67934/root/chroot_tmpdir/scmroot/rust-av-metrics'...
$ git fetch origin 254ab4f9255f91405ec8cdf3d01956163129b21d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-av-metrics
 * [new ref]         254ab4f9255f91405ec8cdf3d01956163129b21d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 254ab4f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild