$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Bidi.git /var/lib/mock/f41-build-817025-150574/root/chroot_tmpdir/scmroot/perl-Text-Bidi
Cloning into '/var/lib/mock/f41-build-817025-150574/root/chroot_tmpdir/scmroot/perl-Text-Bidi'...
$ git fetch origin 6ca80f114ac21b47320f50a7605bcaf6ff70ebd2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Bidi
 * [new ref]         6ca80f114ac21b47320f50a7605bcaf6ff70ebd2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ca80f1 Perl 5.40 rebuild