$ git clone -n https://src.fedoraproject.org/rpms/python-conda-package-streaming.git /var/lib/mock/f39-build-1901197-42855/root/chroot_tmpdir/scmroot/python-conda-package-streaming
Cloning into '/var/lib/mock/f39-build-1901197-42855/root/chroot_tmpdir/scmroot/python-conda-package-streaming'...
$ git fetch origin ad400f1be5aaab6bb84ae88502c2b63fb3df106d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-conda-package-streaming
 * [new ref]         ad400f1be5aaab6bb84ae88502c2b63fb3df106d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad400f1 De-bootstrap