File dont-depend-on-obsolete-persistent-template.patch of Package ghc-yesod-persistent

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File dont-depend-on-obsolete-persistent-template.patch of Package ghc-yesod-persistent

From de8c69c9312a6b88cb4c0395cf4c4d663bfaf1d2 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 30 Mar 2023 09:15:55 +0200
Subject: [PATCH] yesod-persistent: don't depend on persistent-template if we
 don't have to

If our version of 'persistent' is sufficiently new, then we don't need a
dependency on the empty 'persistent-template' package.
---
 yesod-persistent/yesod-persistent.cabal | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/yesod-persistent/yesod-persistent.cabal b/yesod-persistent/yesod-persistent.cabal
index 4416399b2..4071414e7 100644
--- a/yesod-persistent/yesod-persistent.cabal
+++ b/yesod-persistent/yesod-persistent.cabal
@@ -13,12 +13,13 @@ homepage:        http://www.yesodweb.com/
 description:     API docs and the README are available at <http://www.stackage.org/package/yesod-persistent>
 extra-source-files: README.md ChangeLog.md
 
+flag persistent_has_persistent_template
+  default: True
+
 library
     default-language: Haskell2010
     build-depends:   base                      >= 4.10     && < 5
                    , yesod-core                >= 1.6      && < 1.7
-                   , persistent                >= 2.8
-                   , persistent-template       >= 2.1
                    , transformers              >= 0.2.2
                    , blaze-builder
                    , conduit
@@ -28,6 +29,12 @@ library
                      Yesod.Persist.Core
     ghc-options:     -Wall
 
+    if flag(persistent_has_persistent_template)
+        build-depends:     persistent          >= 2.12.0.1
+    else
+        build-depends:     persistent          >= 2.8 && < 2.12.0.1
+                         , persistent-template >= 2.1 && < 2.12.0.0
+
 test-suite test
     default-language: Haskell2010
     type: exitcode-stdio-1.0

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File dont-depend-on-obsolete-persistent-template.patch of Package ghc-yesod-persistent

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