$ git clone -n https://src.fedoraproject.org/rpms/golang-github-ghemawat-stream.git /var/lib/mock/f38-build-side-42-init-devel-764819-27712/root/chroot_tmpdir/scmroot/golang-github-ghemawat-stream
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-764819-27712/root/chroot_tmpdir/scmroot/golang-github-ghemawat-stream'...
$ git fetch origin e3779048d6ccd1bfaa368bd037c3ada0372bd148:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-ghemawat-stream
 * [new ref]         e3779048d6ccd1bfaa368bd037c3ada0372bd148 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e377904 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild