$ git clone -n https://src.fedoraproject.org/rpms/perl-Newt.git /var/lib/mock/f45-build-25448-611/root/chroot_tmpdir/scmroot/perl-Newt
Cloning into '/var/lib/mock/f45-build-25448-611/root/chroot_tmpdir/scmroot/perl-Newt'...
$ git fetch origin 049ae171d72f7ce4efb3f76929ed33b99822fde6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Newt
 * [new ref]         049ae171d72f7ce4efb3f76929ed33b99822fde6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 049ae17 Perl 5.44 rebuild