$ git clone -n https://src.fedoraproject.org/rpms/golang-github-dropbox-sdk-unofficial.git /var/lib/mock/f39-build-1700478-41198/root/chroot_tmpdir/scmroot/golang-github-dropbox-sdk-unofficial
Cloning into '/var/lib/mock/f39-build-1700478-41198/root/chroot_tmpdir/scmroot/golang-github-dropbox-sdk-unofficial'...
$ git fetch origin 06886342526376cf2fc17beeae709eb6fae7ca8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-dropbox-sdk-unofficial
 * [new ref]         06886342526376cf2fc17beeae709eb6fae7ca8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0688634 Update to 6.0.5 - Closes rhbz#2132431