$ git clone -n https://src.fedoraproject.org/rpms/imgp.git /var/lib/mock/f40-build-2691273-68126/root/chroot_tmpdir/scmroot/imgp
Cloning into '/var/lib/mock/f40-build-2691273-68126/root/chroot_tmpdir/scmroot/imgp'...
$ git fetch origin bd0dc46c46bd96d527645eb9fc2e895cad06a88c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/imgp
 * [new ref]         bd0dc46c46bd96d527645eb9fc2e895cad06a88c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd0dc46 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild