$ git clone -n https://src.fedoraproject.org/rpms/aws-c-event-stream.git /var/lib/mock/f41-build-848417-164498/root/chroot_tmpdir/scmroot/aws-c-event-stream
Cloning into '/var/lib/mock/f41-build-848417-164498/root/chroot_tmpdir/scmroot/aws-c-event-stream'...
$ git fetch origin 8e4b62f9c4d08f86080ec4787928436f85a544bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aws-c-event-stream
 * [new ref]         8e4b62f9c4d08f86080ec4787928436f85a544bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e4b62f Initial import (fedora#2279011).