$ git clone -n https://src.fedoraproject.org/rpms/p7zip.git /var/lib/mock/f39-build-1924350-43015/root/chroot_tmpdir/scmroot/p7zip
Cloning into '/var/lib/mock/f39-build-1924350-43015/root/chroot_tmpdir/scmroot/p7zip'...
$ git fetch origin 2e0d8c51858eaaf525498bb55b916c0219d9ee97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/p7zip
 * [new ref]         2e0d8c51858eaaf525498bb55b916c0219d9ee97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e0d8c5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild