$ git clone -n https://src.fedoraproject.org/rpms/rust-pyo3-macros0.17.git /var/lib/mock/f38-build-side-43-rust-devel-1418363-31459/root/chroot_tmpdir/scmroot/rust-pyo3-macros0.17
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1418363-31459/root/chroot_tmpdir/scmroot/rust-pyo3-macros0.17'...
$ git fetch origin c66e84c73911d59236a0709bea59371ff683821f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pyo3-macros0.17
 * [new ref]         c66e84c73911d59236a0709bea59371ff683821f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c66e84c Initial import (pyo3-macros 0.17 compat package)