$ git clone -n https://src.fedoraproject.org/rpms/libcloudproviders.git /var/lib/mock/f39-build-1519280-35815/root/chroot_tmpdir/scmroot/libcloudproviders
Cloning into '/var/lib/mock/f39-build-1519280-35815/root/chroot_tmpdir/scmroot/libcloudproviders'...
$ git fetch origin 028787b0f5ed2b748870f3e897223c77db5cae9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcloudproviders
 * [new ref]         028787b0f5ed2b748870f3e897223c77db5cae9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 028787b Fix directory ownership for gir and vapi directories