$ git clone -n https://src.fedoraproject.org/rpms/loudmouth.git /var/lib/mock/f45-build-17537-501/root/chroot_tmpdir/scmroot/loudmouth
Cloning into '/var/lib/mock/f45-build-17537-501/root/chroot_tmpdir/scmroot/loudmouth'...
$ git fetch origin 52d8aef38f55272df243b774ddeb3088ea2037e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/loudmouth
 * [new ref]         52d8aef38f55272df243b774ddeb3088ea2037e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52d8aef Use openssl3