intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 51 insertions, 0 deletions

diff --git a/build/scripts/collect_java_srcs.py b/build/scripts/collect_java_srcs.py
new file mode 100644
index 00000000000..170002520a5
--- /dev/null
+++ b/build/scripts/collect_java_srcs.py
@@ -0,0 +1,51 @@
+import os
+import sys
+import contextlib
+import tarfile
+import zipfile
+
+
+if __name__ == '__main__':
+    build_root = sys.argv[1]
+    root = os.path.normpath(sys.argv[2])
+    dest = os.path.normpath(sys.argv[3])
+    srcs = sys.argv[4:]
+
+    for src in srcs:
+        src = os.path.normpath(src)
+        if src.endswith('.java') or src.endswith('.kt'):
+            src_rel_path = os.path.relpath(src, root)
+
+            if os.path.join(root, src_rel_path) == src:
+                # Inside root
+                dst = os.path.join(dest, src_rel_path)
+
+            else:
+                # Outside root
+                print>>sys.stderr, 'External src file "{}" is outside of srcdir {}, ignore'.format(
+                    os.path.relpath(src, build_root),
+                    os.path.relpath(root, build_root),
+                )
+                continue
+
+            if os.path.exists(dst):
+                print>>sys.stderr, 'Duplicate external src file {}, choice is undefined'.format(
+                    os.path.relpath(dst, root)
+                )
+
+            else:
+                destdir = os.path.dirname(dst)
+                if destdir and not os.path.exists(destdir):
+                    os.makedirs(destdir)
+                os.rename(src, dst)
+
+        elif src.endswith('.jsr'):
+            with contextlib.closing(tarfile.open(src, 'r')) as tf:
+                tf.extractall(dst)
+
+        elif src.endswith('-sources.jar'):
+            with zipfile.ZipFile(src) as zf:
+                zf.extractall(dst)
+
+        else:
+            print>>sys.stderr, 'Unrecognized file type', os.path.relpath(src, build_root)