$ git clone -n https://src.fedoraproject.org/rpms/aws-c-auth.git /var/lib/mock/f42-build-side-1-3504314-45983/root/chroot_tmpdir/scmroot/aws-c-auth
Cloning into '/var/lib/mock/f42-build-side-1-3504314-45983/root/chroot_tmpdir/scmroot/aws-c-auth'...
$ git fetch origin cd768c85c2823906fffffada015efb7494984710:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aws-c-auth
 * [new ref]         cd768c85c2823906fffffada015efb7494984710 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd768c8 fix: Remove obsolete Patch, Update required Patch