intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 75 insertions, 0 deletions

diff --git a/build/scripts/copy_to_dir.py b/build/scripts/copy_to_dir.py
new file mode 100644
index 00000000000..9baeb5ffacf
--- /dev/null
+++ b/build/scripts/copy_to_dir.py
@@ -0,0 +1,75 @@
+import errno
+import sys
+import os
+import shutil
+import optparse
+import tarfile
+
+
+def parse_args():
+    parser = optparse.OptionParser()
+    parser.add_option('--build-root')
+    parser.add_option('--dest-dir')
+    parser.add_option('--dest-arch')
+    return parser.parse_args()
+
+
+def ensure_dir_exists(path):
+    try:
+        os.makedirs(path)
+    except OSError as e:
+        if e.errno == errno.EEXIST and os.path.isdir(path):
+            pass
+        else:
+            raise
+
+
+def hardlink_or_copy(src, dst):
+    if os.name == 'nt':
+        shutil.copy(src, dst)
+    else:
+        try:
+            os.link(src, dst)
+        except OSError as e:
+            if e.errno == errno.EEXIST:
+                return
+            elif e.errno == errno.EXDEV:
+                sys.stderr.write("Can't make cross-device hardlink - fallback to copy: {} -> {}\n".format(src, dst))
+                shutil.copy(src, dst)
+            else:
+                raise
+
+
+def main():
+    opts, args = parse_args()
+    assert opts.build_root
+    assert opts.dest_dir
+
+    dest_arch = None
+    if opts.dest_arch:
+        if opts.dest_arch.endswith('.tar'):
+            dest_arch = tarfile.open(opts.dest_arch, 'w', dereference=True)
+        elif opts.dest_arch.endswith('.tar.gz') or opts.dest_arch.endswith('.tgz'):
+            dest_arch = tarfile.open(opts.dest_arch, 'w:gz', dereference=True)
+        else:
+            # TODO: move check to graph generation stage
+            raise Exception('Unsopported archive type for {}. Use one of: tar, tar.gz, tgz.'.format(os.path.basename(opts.dest_arch)))
+
+    for arg in args:
+        dst = arg
+        if dst.startswith(opts.build_root):
+            dst = dst[len(opts.build_root) + 1:]
+
+        if dest_arch and not arg.endswith('.pkg.fake'):
+            dest_arch.add(arg, arcname=dst)
+
+        dst = os.path.join(opts.dest_dir, dst)
+        ensure_dir_exists(os.path.dirname(dst))
+        hardlink_or_copy(arg, dst)
+
+    if dest_arch:
+        dest_arch.close()
+
+
+if __name__ == '__main__':
+    sys.exit(main())