From d99c5e30878b22a66d235c1a87d8039ebb8f99bf Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Wed, 23 Dec 2020 14:56:57 -0800
Subject: [PATCH] ;Shake changelogs: avoid an error with untagged release
 version

(cherry picked from commit b102c2ca5d5c7793cd80b4e7a03e5df908528162)
---
 Shake.hs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Shake.hs b/Shake.hs
index 05878a4cb..81198b9d9 100755
--- a/Shake.hs
+++ b/Shake.hs
@@ -639,6 +639,9 @@ main = do
             -- a hash (a3f19c15), package release tag (hledger-ui-1.20), or project release tag (1.20)
             lastrev
               | isOldRelease changelogversion = toTag changelogversion  -- package release tag
+              | isNewRelease changelogversion =
+                  trace (out ++ "'s version \""++changelogversion++"\" is not yet tagged, can't list changes")
+                  "HEAD"
               | otherwise = changelogversion
                 
           -- interesting commit messages between lastrev and HEAD, cleaned up