$ git clone -n https://src.fedoraproject.org/rpms/R-rsconnect.git /var/lib/mock/f40-build-1824224-24918/root/chroot_tmpdir/scmroot/R-rsconnect
Cloning into '/var/lib/mock/f40-build-1824224-24918/root/chroot_tmpdir/scmroot/R-rsconnect'...
$ git fetch origin 6b27ebd7477d173c07dcc444d661f2950dea5d86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rsconnect
 * [new ref]         6b27ebd7477d173c07dcc444d661f2950dea5d86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b27ebd R-maint-sig mass rebuild