$ git clone -n https://src.fedoraproject.org/rpms/colorful.git /var/lib/mock/f39-build-2458984-61441/root/chroot_tmpdir/scmroot/colorful
Cloning into '/var/lib/mock/f39-build-2458984-61441/root/chroot_tmpdir/scmroot/colorful'...
$ git fetch origin a40d1d434d421134fcfb817918b1985b0c016a38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/colorful
 * [new ref]         a40d1d434d421134fcfb817918b1985b0c016a38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a40d1d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild