$ git clone -n https://src.fedoraproject.org/rpms/libmng.git /var/lib/mock/f40-build-785563-134021/root/chroot_tmpdir/scmroot/libmng
Cloning into '/var/lib/mock/f40-build-785563-134021/root/chroot_tmpdir/scmroot/libmng'...
$ git fetch origin dad6598cb895fa66c093af723f1a710cb65539ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmng
 * [new ref]         dad6598cb895fa66c093af723f1a710cb65539ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dad6598 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild