$ git clone -n https://src.fedoraproject.org/rpms/golang-github-test-deep.git /var/lib/mock/f45-build-12543-442/root/chroot_tmpdir/scmroot/golang-github-test-deep
Cloning into '/var/lib/mock/f45-build-12543-442/root/chroot_tmpdir/scmroot/golang-github-test-deep'...
$ git fetch origin 0a938f5157f2cf601f86ed5413d35d89a6047086:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-test-deep
 * [new ref]         0a938f5157f2cf601f86ed5413d35d89a6047086 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a938f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild