$ git clone -n https://src.fedoraproject.org/rpms/html2ps.git /var/lib/mock/f39-build-1450594-32746/root/chroot_tmpdir/scmroot/html2ps
Cloning into '/var/lib/mock/f39-build-1450594-32746/root/chroot_tmpdir/scmroot/html2ps'...
$ git fetch origin 5bde3a0ba6a96e5aac829e5abaa529636ec0dc76:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/html2ps
 * [new ref]         5bde3a0ba6a96e5aac829e5abaa529636ec0dc76 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5bde3a0 Disable rendering MathML with TeX