$ git clone -n https://src.fedoraproject.org/rpms/bcache-tools.git /var/lib/mock/f40-build-801383-143773/root/chroot_tmpdir/scmroot/bcache-tools
Cloning into '/var/lib/mock/f40-build-801383-143773/root/chroot_tmpdir/scmroot/bcache-tools'...
$ git fetch origin 5b0e5d53ec978a240f8c1e8b88a6a5dd166f918a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcache-tools
 * [new ref]         5b0e5d53ec978a240f8c1e8b88a6a5dd166f918a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b0e5d5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild