From 2bc18d8892db8a4e8a7e2b75020dde96935103f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Sch=C3=BCtz?= <nix@dotlambda.de>
Date: Thu, 17 Sep 2026 10:16:48 -0700
Subject: [PATCH] gdal: fix tests with PROJ 9.9.0

---
 pkgs/by-name/gd/gdal/package.nix             |  5 ++++
 pkgs/by-name/gd/gdal/proj-9.9.0-compat.patch | 29 ++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 pkgs/by-name/gd/gdal/proj-9.9.0-compat.patch

diff --git a/pkgs/by-name/gd/gdal/package.nix b/pkgs/by-name/gd/gdal/package.nix
index bc92f8925726..9fb0081b3197 100644
--- a/pkgs/by-name/gd/gdal/package.nix
+++ b/pkgs/by-name/gd/gdal/package.nix
@@ -92,6 +92,11 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-8rTCv0Nsb+BhRypwXDY5SWP7Bo1vqJBlm7y6YCOMa2M=";
   };
 
+  patches = [
+    # https://github.com/OSGeo/gdal/pull/15259
+    ./proj-9.9.0-compat.patch
+  ];
+
   nativeBuildInputs = [
     bison
     cmake
diff --git a/pkgs/by-name/gd/gdal/proj-9.9.0-compat.patch b/pkgs/by-name/gd/gdal/proj-9.9.0-compat.patch
new file mode 100644
index 000000000000..97a338f4b698
--- /dev/null
+++ b/pkgs/by-name/gd/gdal/proj-9.9.0-compat.patch
@@ -0,0 +1,29 @@
+diff --git a/autotest/utilities/test_gdalalg_mdim_info.py b/autotest/utilities/test_gdalalg_mdim_info.py
+index 33b87f60fc..63c283b350 100755
+--- a/autotest/utilities/test_gdalalg_mdim_info.py
++++ b/autotest/utilities/test_gdalalg_mdim_info.py
+@@ -180,7 +180,14 @@ def test_gdalalg_mdim_info_all_options():
+ def test_gdalalg_mdim_info_binary(gdal_path):
+ 
+     out = gdaltest.runexternal(f"{gdal_path} mdim info ../gdrivers/data/netcdf/byte.nc")
+-    assert json.loads(out) == {
++
++    info = json.loads(out)
++
++    # make PROJ 9.9.0 output equivalent to previous versions (#15250)
++    srs = info["arrays"]["Band1"]["srs"]
++    srs["wkt"] = srs["wkt"].replace("(E)", "easting").replace("(N)", "northing")
++
++    expected = {
+         "arrays": {
+             "Band1": {
+                 "attributes": {
+@@ -313,6 +320,8 @@ def test_gdalalg_mdim_info_binary(gdal_path):
+         "type": "group",
+     }
+ 
++    assert info == expected
++
+ 
+ def test_gdalalg_mdim_info_completion_array_invalid_ds(gdal_path):
+