$ git clone -n https://src.fedoraproject.org/rpms/cvc5.git /var/lib/mock/f40-build-2721476-73080/root/chroot_tmpdir/scmroot/cvc5
Cloning into '/var/lib/mock/f40-build-2721476-73080/root/chroot_tmpdir/scmroot/cvc5'...
$ git fetch origin 0b1723ceb6f60f8e220059237410894f792cafa3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cvc5
 * [new ref]         0b1723ceb6f60f8e220059237410894f792cafa3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b1723c Rebuild for cocoalib 0.99850