$ git clone -n https://src.fedoraproject.org/rpms/libXext.git /var/lib/mock/f41-build-821594-152588/root/chroot_tmpdir/scmroot/libXext
Cloning into '/var/lib/mock/f41-build-821594-152588/root/chroot_tmpdir/scmroot/libXext'...
$ git fetch origin b6a75bb79f41ce0aac2a8016db248f84ddf34879:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libXext
 * [new ref]         b6a75bb79f41ce0aac2a8016db248f84ddf34879 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6a75bb Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild