Detect analyzers not just in /bin for monolithic rule

src/codechecker.bzl

@@ -135,7 +135,18 @@ def _codechecker_impl(ctx):
         # arguments = [ctx.outputs.codechecker_script.path],
         mnemonic = "CodeChecker",
         progress_message = "CodeChecker %s" % str(ctx.label),
-        # use_default_shell_env = True,
+        # FIXME: Ideally, this action would run
+        # isolated of the invoking shell environment,
+        # using only the binaries bazel itself acquired.
+        # This would be best done by converting all tools
+        # (CodeChecker, clang, clang-tidy) into toolchains.
+        # Until then, we still need to allow
+        # the supply of these tools from PATH.
+        # For instance, micromamba (which we use for testing)
+        # does not install to system folders like /bin,
+        # but uses PATH, making it impossible to configure binary version
+        # through it while use_default_shell_env is False.
+        use_default_shell_env = True,
     )
 
     # List all files required at build and run (test) time