$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-scscp.git /var/lib/mock/f40-build-2590810-62637/root/chroot_tmpdir/scmroot/gap-pkg-scscp
Cloning into '/var/lib/mock/f40-build-2590810-62637/root/chroot_tmpdir/scmroot/gap-pkg-scscp'...
$ git fetch origin d6962b4f541d836cd3907969beaf79f6f471e151:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-scscp
 * [new ref]         d6962b4f541d836cd3907969beaf79f6f471e151 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6962b4 Version 2.4.2