$ git clone -n https://src.fedoraproject.org/rpms/rust-stderrlog.git /var/lib/mock/f40-build-2063812-49167/root/chroot_tmpdir/scmroot/rust-stderrlog
Cloning into '/var/lib/mock/f40-build-2063812-49167/root/chroot_tmpdir/scmroot/rust-stderrlog'...
$ git fetch origin 07095fed0f2edcf5a20b69b0c94603a7e6cd905f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-stderrlog
 * [new ref]         07095fed0f2edcf5a20b69b0c94603a7e6cd905f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07095fe Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild