$ git clone -n https://src.fedoraproject.org/rpms/aws-c-mqtt.git /var/lib/mock/f41-build-side-1-3100776-39345/root/chroot_tmpdir/scmroot/aws-c-mqtt
Cloning into '/var/lib/mock/f41-build-side-1-3100776-39345/root/chroot_tmpdir/scmroot/aws-c-mqtt'...
$ git fetch origin e18463ee1fc4cdb883d2cbecf7bafc30d5e81262:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aws-c-mqtt
 * [new ref]         e18463ee1fc4cdb883d2cbecf7bafc30d5e81262 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e18463e feat: update to 0.10.6