$ git clone -n https://src.fedoraproject.org/rpms/gimp.git /var/lib/mock/f40-build-2292823-56161/root/chroot_tmpdir/scmroot/gimp
Cloning into '/var/lib/mock/f40-build-2292823-56161/root/chroot_tmpdir/scmroot/gimp'...
$ git fetch origin 4806aa04bf58f5807c604a9a203fa9513042d1c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gimp
 * [new ref]         4806aa04bf58f5807c604a9a203fa9513042d1c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4806aa0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild