From 80e90be1b730bb1c4367cf483e4a0bf177fb51ea Mon Sep 17 00:00:00 2001
From: Andrew Walbran <qwandor@google.com>
Date: Tue, 9 Jun 2020 14:33:18 +0100
Subject: [PATCH] Include command-line arguments in comment.

This makes it clear exactly how a build file was generated and how to
reproduce it.

Bug: 158290206
Change-Id: Icf28a66bf0da708a3fcd0fe3d49893191fb1a8f1
---
 scripts/cargo2android.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/cargo2android.py b/scripts/cargo2android.py
index 62bd38d64..38a816ee3 100755
--- a/scripts/cargo2android.py
+++ b/scripts/cargo2android.py
@@ -59,6 +59,7 @@ import argparse
 import os
 import os.path
 import re
+import sys
 
 RENAME_MAP = {
     # This map includes all changes to the default rust library module
@@ -71,7 +72,7 @@ RENAME_MAP = {
 }
 
 # Header added to all generated Android.bp files.
-ANDROID_BP_HEADER = '// This file is generated by cargo2android.py.\n'
+ANDROID_BP_HEADER = '// This file is generated by cargo2android.py {args}.\n'
 
 CARGO_OUT = 'cargo.out'  # Name of file to keep cargo build -v output.
 
@@ -882,7 +883,7 @@ class Runner(object):
     if name not in self.bp_files:
       self.bp_files.add(name)
       with open(name, 'w') as outf:
-        outf.write(ANDROID_BP_HEADER)
+        outf.write(ANDROID_BP_HEADER.format(args=' '.join(sys.argv[1:])))
 
   def claim_module_name(self, prefix, owner, counter):
     """Return prefix if not owned yet, otherwise, prefix+str(counter)."""