intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 104 insertions, 0 deletions

diff --git a/build/scripts/fs_tools.py b/build/scripts/fs_tools.py
new file mode 100644
index 00000000000..dec4c349c89
--- /dev/null
+++ b/build/scripts/fs_tools.py
@@ -0,0 +1,104 @@
+from __future__ import print_function
+
+import os
+import platform
+import sys
+import shutil
+import errno
+
+import process_command_files as pcf
+
+
+def link_or_copy(src, dst):
+    try:
+        if platform.system().lower() == 'windows':
+            shutil.copy(src, dst)
+        else:
+            os.link(src, dst)
+    except OSError as e:
+        if e.errno == errno.EEXIST:
+            print('link_or_copy: destination file already exists: {}'.format(dst), file=sys.stderr)
+        if e.errno == errno.ENOENT:
+            print('link_or_copy: source file doesn\'t exists: {}'.format(src), file=sys.stderr)
+        raise
+
+
+if __name__ == '__main__':
+    mode = sys.argv[1]
+    args = pcf.get_args(sys.argv[2:])
+
+    if mode == 'copy':
+        shutil.copy(args[0], args[1])
+    elif mode == 'copy_tree_no_link':
+        dst = args[1]
+        shutil.copytree(args[0], dst, ignore=lambda dirname, names: [n for n in names if os.path.islink(os.path.join(dirname, n))])
+    elif mode == 'copy_files':
+        src = args[0]
+        dst = args[1]
+        files = open(args[2]).read().strip().split()
+        for f in files:
+            s = os.path.join(src, f)
+            d = os.path.join(dst, f)
+            if os.path.exists(d):
+                continue
+            try:
+                os.makedirs(os.path.dirname(d))
+            except OSError:
+                pass
+            shutil.copy(s, d)
+    elif mode == 'copy_all_files':
+        src = args[0]
+        dst = args[1]
+        for root, _, files in os.walk(src):
+            for f in files:
+                if os.path.islink(os.path.join(root, f)):
+                    continue
+                file_dst = os.path.join(dst, os.path.relpath(root, src), f)
+                if os.path.exists(file_dst):
+                    continue
+                try:
+                    os.makedirs(os.path.dirname(file_dst))
+                except OSError:
+                    pass
+                shutil.copy(os.path.join(root, f), file_dst)
+    elif mode == 'rename_if_exists':
+        if os.path.exists(args[0]):
+            shutil.move(args[0], args[1])
+    elif mode == 'rename':
+        targetdir = os.path.dirname(args[1])
+        if targetdir and not os.path.exists(targetdir):
+            os.makedirs(os.path.dirname(args[1]))
+        shutil.move(args[0], args[1])
+    elif mode == 'remove':
+        for f in args:
+            try:
+                if os.path.isfile(f) or os.path.islink(f):
+                    os.remove(f)
+                else:
+                    shutil.rmtree(f)
+            except OSError:
+                pass
+    elif mode == 'link_or_copy':
+        link_or_copy(args[0], args[1])
+    elif mode == 'link_or_copy_to_dir':
+        assert len(args) > 1
+        start = 0
+        if args[0] == '--no-check':
+            if args == 2:
+                sys.exit()
+            start = 1
+        dst = args[-1]
+        for src in args[start:-1]:
+            link_or_copy(src, os.path.join(dst, os.path.basename(src)))
+    elif mode == 'cat':
+        with open(args[0], 'w') as dst:
+            for input_name in args[1:]:
+                with open(input_name) as src:
+                    dst.write(src.read())
+    elif mode == 'md':
+        try:
+            os.makedirs(args[0])
+        except OSError:
+            pass
+    else:
+        raise Exception('unsupported tool %s' % mode)