$ git clone -n https://src.fedoraproject.org/rpms/libgtop2.git /var/lib/mock/f40-build-2007467-45265/root/chroot_tmpdir/scmroot/libgtop2
Cloning into '/var/lib/mock/f40-build-2007467-45265/root/chroot_tmpdir/scmroot/libgtop2'...
$ git fetch origin 88767a11b128e1975b838501334a707f0b228099:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgtop2
 * [new ref]         88767a11b128e1975b838501334a707f0b228099 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88767a1 Update to 2.41.2