$ git clone -n https://src.fedoraproject.org/rpms/osmpbf.git /var/lib/mock/f41-build-838605-159730/root/chroot_tmpdir/scmroot/osmpbf
Cloning into '/var/lib/mock/f41-build-838605-159730/root/chroot_tmpdir/scmroot/osmpbf'...
$ git fetch origin e38925f3fe3e9acedd15f318b2b5215ff9798296:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osmpbf
 * [new ref]         e38925f3fe3e9acedd15f318b2b5215ff9798296 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e38925f Require zlib to build