$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_csplit.git /var/lib/mock/f42-build-3251800-41222/root/chroot_tmpdir/scmroot/rust-uu_csplit
Cloning into '/var/lib/mock/f42-build-3251800-41222/root/chroot_tmpdir/scmroot/rust-uu_csplit'...
$ git fetch origin b7adc33c5f90faf9fabea4964dd965d7a0d50208:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_csplit
 * [new ref]         b7adc33c5f90faf9fabea4964dd965d7a0d50208 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7adc33 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild