$ git clone -n https://src.fedoraproject.org/rpms/baresip.git /var/lib/mock/f41-build-854021-166804/root/chroot_tmpdir/scmroot/baresip
Cloning into '/var/lib/mock/f41-build-854021-166804/root/chroot_tmpdir/scmroot/baresip'...
$ git fetch origin bef263b6ee576ea19c5154a97fbb9b4885f52e19:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/baresip
 * [new ref]         bef263b6ee576ea19c5154a97fbb9b4885f52e19 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bef263b Upgrade to 3.15.0 (#2309007)