From b2304d72c04bf8d3d82ae6b2d89261c1068ca194 Mon Sep 17 00:00:00 2001
From: Chris Dornan <chris@chrisdornan.com>
Date: Mon, 29 Jul 2019 01:04:43 +0100
Subject: [PATCH] constrain parser-combinators-1.2.0 and add some packages

---
 build-constraints.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index a0a4ae01..7d70c810 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3342,6 +3342,11 @@ packages:
         - possibly
         - enum-text
         - rg
+        - columnar
+        - enum-text-rio
+        - fmt-for-rio
+        - no-value
+        - optparse-enum
 
     "Elliot Cameron <eacameron@gmail.com> @3noch":
         []
@@ -4734,6 +4739,10 @@ packages:
         - ghc-lib-parser < 8.8.0.20190723
         - ghc-lib        < 8.8.0.20190723
 
+        # https://github.com/commercialhaskell/stackage/issues/4737
+        - parser-combinators       < 1.2.0
+        - parser-combinators-tests < 1.2.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of