$ git clone -n https://src.fedoraproject.org/rpms/perl-Wx.git /var/lib/mock/f41-build-817033-150576/root/chroot_tmpdir/scmroot/perl-Wx
Cloning into '/var/lib/mock/f41-build-817033-150576/root/chroot_tmpdir/scmroot/perl-Wx'...
$ git fetch origin 0ab358c2ee715d2a439fb25f1d8c4471d49eda33:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Wx
 * [new ref]         0ab358c2ee715d2a439fb25f1d8c4471d49eda33 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ab358c Rebuilt with perl(Alien::wxWidgets::Config::gtk_3_2_5_uni_gcc_3_4)