doc/_ext: sort the release date

so the release in reverse chronologically order, so that the newer
one is listed at the top.

Signed-off-by: Kefu Chai <tchaikov@gmail.com>

diff --git a/doc/_ext/ceph_releases.py b/doc/_ext/ceph_releases.py
index 9208bd23850df22535961345138143c1b20bd240..481c2a1b6194414538def5552ca18c1ea27dfb3b 100644 (file)
--- a/doc/_ext/ceph_releases.py
+++ b/doc/_ext/ceph_releases.py
@@ -299,7 +299,7 @@ TIMELINE_TEMPLATE = '''
 {% else %}
        End of life (estimated): crit,            {{ releases[display_release].target_eol }},4d
 {% endif %}
-{% for release in releases[display_release].releases %}
+{% for release in releases[display_release].releases | sort(attribute='released', reverse=True) %}
        {{ release.version }}:   milestone, done, {{ release.released }},0d
 {% endfor %}
 {% endfor %}