$ git clone -n https://src.fedoraproject.org/rpms/python-sysv_ipc.git /var/lib/mock/f39-build-1432300-31831/root/chroot_tmpdir/scmroot/python-sysv_ipc
Cloning into '/var/lib/mock/f39-build-1432300-31831/root/chroot_tmpdir/scmroot/python-sysv_ipc'...
$ git fetch origin 4a3d3dc9bfc6d0177270c0cda77d4eaaa563210b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sysv_ipc
 * [new ref]         4a3d3dc9bfc6d0177270c0cda77d4eaaa563210b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a3d3dc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild