From d89896a6a7ee9f3d8ef5e6889e2f6d531c8fbd7a Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonyg@leastfixedpoint.com>
Date: Fri, 17 Mar 2023 10:26:53 +0100
Subject: [PATCH] Be cleverer about unreleased doc versions

---
 _data/python-versions.json                    | 4 ++--
 implementations/python/update-doc-versions.sh | 9 +++++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/_data/python-versions.json b/_data/python-versions.json
index 3b9ecba..45bd76e 100644
--- a/_data/python-versions.json
+++ b/_data/python-versions.json
@@ -1,4 +1,4 @@
 [
-  {"version":"0.18.1","title":"0.18.1","aliases":["latest"]},
-  {"version":"0.18.0","title":"0.18.0","aliases":}
+  {"version":"0.18.1","title":"0.18.1","aliases":[]},
+  {"version":"0.18.0","title":"0.18.0","aliases":["latest"]}
 ]
\ No newline at end of file
diff --git a/implementations/python/update-doc-versions.sh b/implementations/python/update-doc-versions.sh
index aad8d57..058f0db 100755
--- a/implementations/python/update-doc-versions.sh
+++ b/implementations/python/update-doc-versions.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+latestversion=$(git tag | fgrep python-preserves@ | cut -d@ -f2 | sort -V -r | head -1)
 (
     firstitem='y';
     printf '[';
@@ -7,10 +8,14 @@
         if [ "$firstitem" = "y" ]
         then
             firstitem=n
-            aliases='["latest"]'
         else
             printf ','
-            aliases=''
+        fi
+        if [ "$version" = "$latestversion" ]
+        then
+            aliases='["latest"]'
+        else
+            aliases='[]'
         fi
         printf '\n  {"version":"%s","title":"%s","aliases":%s}' "$version" "$version" "$aliases"
     done;