$ git clone -n https://src.fedoraproject.org/rpms/meld.git /var/lib/mock/f40-build-2010399-45597/root/chroot_tmpdir/scmroot/meld
Cloning into '/var/lib/mock/f40-build-2010399-45597/root/chroot_tmpdir/scmroot/meld'...
$ git fetch origin 238a6ccedd2b2a78828e06fa5f5e3256facc95fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/meld
 * [new ref]         238a6ccedd2b2a78828e06fa5f5e3256facc95fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 238a6cc Add missing runtime dependency