fix: JAVA_HOME leak in docker

Author: williamfzc

index.py

@@ -36,6 +36,10 @@ def gen_golang_index():
 
 
 def gen_java_and_kotlin_index():
+    # lock down JAVA_HOME
+    # https://github.com/orgs/community/discussions/25738
+    os.environ["JAVA_HOME"] = "/usr/lib/jvm/java-8-openjdk"
+
     # https://sourcegraph.github.io/scip-java/docs/getting-started.html#run-scip-java-index
     check_call(["scip-java", "index", "--output", "index.scip"])
 

main.py

@@ -161,7 +161,7 @@ def dot_to_svg(dot_file):
 
 
 def sort_files_by_impact(
-        files: typing.Iterable[FileMetrics],
+    files: typing.Iterable[FileMetrics],
 ) -> typing.List[FileMetrics]:
     def sort_key(f: FileMetrics):
         return f.impactLineCount

utils.py

@@ -1,7 +1,8 @@
+import os
 import subprocess
 from loguru import logger
 
 
 def check_call(commands: list):
     logger.info(f"check calling: {commands}")
-    subprocess.check_call(commands)
+    subprocess.check_call(commands, env=os.environ)