$ git clone -n https://src.fedoraproject.org/rpms/xsc.git /var/lib/mock/f40-build-790086-136276/root/chroot_tmpdir/scmroot/xsc
Cloning into '/var/lib/mock/f40-build-790086-136276/root/chroot_tmpdir/scmroot/xsc'...
$ git fetch origin 0b18e09ad937bd01559128667e0ead15f571e49b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xsc
 * [new ref]         0b18e09ad937bd01559128667e0ead15f571e49b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b18e09 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild