$ git clone -n https://src.fedoraproject.org/rpms/rst2pdf.git /var/lib/mock/f39-build-1518334-35808/root/chroot_tmpdir/scmroot/rst2pdf
Cloning into '/var/lib/mock/f39-build-1518334-35808/root/chroot_tmpdir/scmroot/rst2pdf'...
$ git fetch origin 79dd595786b4ee30d5d775d0bb822e481761d853:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rst2pdf
 * [new ref]         79dd595786b4ee30d5d775d0bb822e481761d853 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79dd595 New upstream version 0.101