$ git clone -n https://src.fedoraproject.org/rpms/rust-test-log.git /var/lib/mock/f40-build-2326108-58825/root/chroot_tmpdir/scmroot/rust-test-log
Cloning into '/var/lib/mock/f40-build-2326108-58825/root/chroot_tmpdir/scmroot/rust-test-log'...
$ git fetch origin 7f8c1f3eb78293e7f019eec1321e230456a2649c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-test-log
 * [new ref]         7f8c1f3eb78293e7f019eec1321e230456a2649c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f8c1f3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild