$ git clone -n https://src.fedoraproject.org/rpms/clang13.git /var/lib/mock/f41-build-852794-166487/root/chroot_tmpdir/scmroot/clang13
Cloning into '/var/lib/mock/f41-build-852794-166487/root/chroot_tmpdir/scmroot/clang13'...
$ git fetch origin 7e94f078a1523551d1a697519e12a41f35aa1237:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clang13
 * [new ref]         7e94f078a1523551d1a697519e12a41f35aa1237 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e94f07 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild