llvm-project-bundle-with-bash.diff

diff --git a/clang/utils/bundle_resources.py b/clang/utils/bundle_resources.py
deleted file mode 100644
index 66871fbe99c1..000000000000
--- a/clang/utils/bundle_resources.py
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/env python3
-
-# ===- bundle_resources.py - Generate string constants with file contents. ===
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-# ===----------------------------------------------------------------------===
-
-# Usage: bundle-resources.py foo.inc a.js path/b.css ...
-# Produces foo.inc containing:
-#   const char a_js[] = "...";
-#   const char b_css[] = "...";
-import os
-import sys
-
-outfile = sys.argv[1]
-infiles = sys.argv[2:]
-
-with open(outfile, "w") as out:
-    for filename in infiles:
-        varname = os.path.basename(filename).replace(".", "_")
-        out.write("const char " + varname + "[] = \n")
-        # MSVC limits each chunk of string to 2k, so split by lines.
-        # The overall limit is 64k, which ought to be enough for anyone.
-        for line in open(filename).read().split("\n"):
-            out.write('  R"x(' + line + ')x" "\\n"\n')
-        out.write("  ;\n")
diff --git a/clang/utils/bundle_resources.sh b/clang/utils/bundle_resources.sh
new file mode 100755
index 000000000000..108421ad2dec
--- /dev/null
+++ b/clang/utils/bundle_resources.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+# ===- bundle_resources.sh - Generate string constants with file contents. ===
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+# ===----------------------------------------------------------------------===
+
+# Usage: bundle-resources.sh foo.inc a.js path/b.css ...
+# Produces foo.inc containing:
+#   const char a_js[] = "...";
+#   const char b_css[] = "...";
+
+exec 3>"$1"
+shift
+
+for filename in "$@"; do
+    varname=$(basename "${filename//./_}")
+    printf 'const char %s[] =\n' "$varname" >&3
+    while IFS= read -r line; do
+        printf '  R"x(%s)x" "\\n"\n' "$line" >&3
+    done < "$filename"
+    printf '  ;\n' >&3
+done
+exec 3>&-
diff --git a/utils/bazel/llvm-project-overlay/clang/BUILD.bazel b/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
index 037719a51dd1..1a8ad9951e76 100644
--- a/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
@@ -501,12 +501,11 @@ genrule(
     cmd = "echo '#undef CLANG_REVISION' > $@",
 )
 
-py_binary(
+sh_binary(
     name = "bundle_resources",
     srcs = [
-        "utils/bundle_resources.py",
+        "utils/bundle_resources.sh",
     ],
-    main = "utils/bundle_resources.py",
 )
 
 # A hacky library to expose some internal headers of the `basic` library to its