$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-CSV_XS.git /var/lib/mock/f45-build-26982-620/root/chroot_tmpdir/scmroot/perl-Text-CSV_XS
Cloning into '/var/lib/mock/f45-build-26982-620/root/chroot_tmpdir/scmroot/perl-Text-CSV_XS'...
$ git fetch origin 4745bd316db0203d98ae65d9fb1ad33c2ec3bfb4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-CSV_XS
 * [new ref]         4745bd316db0203d98ae65d9fb1ad33c2ec3bfb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4745bd3 Perl 5.44 rebuild