$ git clone -n https://src.fedoraproject.org/rpms/golang-github-aws-sdk-2.git /var/lib/mock/f45-build-39446-735/root/chroot_tmpdir/scmroot/golang-github-aws-sdk-2
Cloning into '/var/lib/mock/f45-build-39446-735/root/chroot_tmpdir/scmroot/golang-github-aws-sdk-2'...
$ git fetch origin d9f42854d36b1bede142ab3d2c82e75a90f19f1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-aws-sdk-2
 * [new ref]         d9f42854d36b1bede142ab3d2c82e75a90f19f1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9f4285 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild