$ git clone -n https://src.fedoraproject.org/rpms/curl.git /var/lib/mock/f41-build-side-1-2749954-31015/root/chroot_tmpdir/scmroot/curl
Cloning into '/var/lib/mock/f41-build-side-1-2749954-31015/root/chroot_tmpdir/scmroot/curl'...
$ git fetch origin 1268eeab81c68b229828d0a19c1992f939728f11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/curl
 * [new ref]         1268eeab81c68b229828d0a19c1992f939728f11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1268eea spec: use tls-ca-bundle.pem instead of ca-bundle.crt