$ git clone -n https://src.fedoraproject.org/rpms/scdoc.git /var/lib/mock/f40-build-798004-141646/root/chroot_tmpdir/scmroot/scdoc
Cloning into '/var/lib/mock/f40-build-798004-141646/root/chroot_tmpdir/scmroot/scdoc'...
$ git fetch origin 912fda7693223f39a258dd60fcb68bfcb383c022:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scdoc
 * [new ref]         912fda7693223f39a258dd60fcb68bfcb383c022 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 912fda7 Upgrade to 1.11.3 (rhbz#2264644)