$ git clone -n https://src.fedoraproject.org/rpms/libwnck3.git /var/lib/mock/f39-build-1559168-37318/root/chroot_tmpdir/scmroot/libwnck3
Cloning into '/var/lib/mock/f39-build-1559168-37318/root/chroot_tmpdir/scmroot/libwnck3'...
$ git fetch origin ce20dcd7ee58ce85a6a00cea6b0594ca8d62b084:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libwnck3
 * [new ref]         ce20dcd7ee58ce85a6a00cea6b0594ca8d62b084 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce20dcd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild