use script to update SHA instead of patch

Author: mattip

recipe/build-core.bat

@@ -27,6 +27,12 @@ echo %CONDA_PREFIX%
 python -c "import os; print('\n'.join(os.environ['PATH'].split(';')))"
 echo ----------
 
+echo ========================================
+echo Fix up the sha in python/ray/_version.py
+echo ========================================
+python3 %RECIPE_DIR%/fixup_sha.py python/ray/_version.py %RAY_VER%
+
+
 echo ==========================================================
 echo calling pip to install
 echo ==========================================================

recipe/build-core.sh

@@ -49,6 +49,11 @@ echo '---------------- .bazelrc --------------------------'
 cat .bazelrc
 echo '----------------------------------------------------'
 
+echo ========================================
+echo Fix up the sha in python/ray/_version.py
+echo ========================================
+python3 ${RECIPE_DIR}/fixup_sha.py python/ray/_version.py ${RAY_VER}
+
 cd python/
 export SKIP_THIRDPARTY_INSTALL_CONDA_FORGE=1
 

recipe/fixup_sha.py

@@ -0,0 +1,21 @@
+# Call like python3 __file__ python/ray/_version.py 2.49.2
+
+import json; 
+import os
+import sys
+from urllib.request import urlopen; 
+
+versionpy = sys.argv[1]
+ver = sys.argv[2]
+
+assert os.path.exists(versionpy)
+
+content = urlopen(f'https://api.github.com/repos/ray-project/ray/git/ref/tags/ray-{ver}').read()
+sha = json.loads(content)['object']['sha']
+with open(versionpy, 'r') as fid:
+    txt = fid.read()
+txt = txt.replace("{{RAY_COMMIT_SHA}}", sha)
+assert f'version = "{ver}"' in txt
+assert f'commit = "{sha}"' in txt
+with open(versionpy, 'w') as fid:
+    fid.write(txt)

recipe/patches/0004-update-commit-sha.patch

@@ -15,8 +15,6 @@ source:
     - patches/0001-Disable-making-entry-scripts.patch
     - patches/0002-Ignore-warnings-in-event.cc-and-logging.cc.patch
     - patches/0003-Newer-hermetic-python.patch
-    # This needs modification for each release
-    - patches/0004-update-commit-sha.patch
     # See https://github.com/conda-forge/ray-packages-feedstock/issues/136
     # Keep in sync with current or active migration of libgrpc to avoid
     # ABI breakage
@@ -35,7 +33,8 @@ source:
     - patches/0012-No-path-isolation.patch
 
 build:
-  number: 1
+  number: 2
+
 
 outputs:
   - package:
@@ -65,7 +64,10 @@ outputs:
   - package:
       name: ray-core
     build:
-      script: build-core
+      script:
+        file: build-core
+        env:
+          RAY_VER: ${{ version }}
       python:
         entry_points:
           - ray = ray.scripts.scripts:main