$ git clone -n https://src.fedoraproject.org/rpms/python-rust-update-set.git /var/lib/mock/f40-build-2676870-67877/root/chroot_tmpdir/scmroot/python-rust-update-set
Cloning into '/var/lib/mock/f40-build-2676870-67877/root/chroot_tmpdir/scmroot/python-rust-update-set'...
$ git fetch origin acdc509c14adc8194ecbd1bf0b76c5a2c3b8a3f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rust-update-set
 * [new ref]         acdc509c14adc8194ecbd1bf0b76c5a2c3b8a3f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acdc509 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild