$ git clone -n https://src.fedoraproject.org/rpms/perl-Tree-DAG_Node.git /var/lib/mock/f39-build-1439806-32286/root/chroot_tmpdir/scmroot/perl-Tree-DAG_Node
Cloning into '/var/lib/mock/f39-build-1439806-32286/root/chroot_tmpdir/scmroot/perl-Tree-DAG_Node'...
$ git fetch origin 852f8e53e195da332b7f2a2037abd8f6e3c943d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tree-DAG_Node
 * [new ref]         852f8e53e195da332b7f2a2037abd8f6e3c943d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 852f8e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild