$ git clone -n https://src.fedoraproject.org/rpms/perl-DB_File-Lock.git /var/lib/mock/f40-build-2016657-46219/root/chroot_tmpdir/scmroot/perl-DB_File-Lock
Cloning into '/var/lib/mock/f40-build-2016657-46219/root/chroot_tmpdir/scmroot/perl-DB_File-Lock'...
$ git fetch origin 6f93ae07a03dca47e19b8694e46328056b6c96b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DB_File-Lock
 * [new ref]         6f93ae07a03dca47e19b8694e46328056b6c96b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f93ae0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild