$ git clone -n https://src.fedoraproject.org/rpms/perl-Authen-DecHpwd.git /var/lib/mock/f45-build-21822-588/root/chroot_tmpdir/scmroot/perl-Authen-DecHpwd
Cloning into '/var/lib/mock/f45-build-21822-588/root/chroot_tmpdir/scmroot/perl-Authen-DecHpwd'...
$ git fetch origin 0ed9d49dfd9c62993d4b49f10b6ee814b555305f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Authen-DecHpwd
 * [new ref]         0ed9d49dfd9c62993d4b49f10b6ee814b555305f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ed9d49 Perl 5.44 rebuild