$ git clone -n https://src.fedoraproject.org/rpms/baresip.git /var/lib/mock/f39-build-1468990-33818/root/chroot_tmpdir/scmroot/baresip
Cloning into '/var/lib/mock/f39-build-1468990-33818/root/chroot_tmpdir/scmroot/baresip'...
$ git fetch origin 56bee03972e098a6be9082bc9884772eaaa2edbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/baresip
 * [new ref]         56bee03972e098a6be9082bc9884772eaaa2edbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56bee03 Upgrade to 3.5.1 (#2238647)