add ymake export to ydb

1 files changed, 50 insertions, 0 deletions

diff --git a/build/scripts/touch.py b/build/scripts/touch.py
new file mode 100755
index 0000000000..e01ba7f86b
--- /dev/null
+++ b/build/scripts/touch.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+
+import optparse
+import os
+import sys
+import time
+
+
+def main(argv):
+    parser = optparse.OptionParser(add_help_option=False)
+    parser.disable_interspersed_args()
+
+    parser.add_option('-?', '--help', dest='help',
+                      action='store_true', default=None, help='print help')
+    parser.add_option('-t', dest='t', action='store', default=None)
+
+    opts, argv_rest = parser.parse_args(argv)
+    if getattr(opts, 'help', False):
+        parser.print_help()
+        return 0
+
+    tspec = opts.t
+    if tspec is None:
+        times = None
+    else:
+        head, sep, tail = tspec.partition('.')
+        if 8 > len(head):
+            raise Exception("time spec must follow format [[CC]YY]MMDDhhmm[.SS]: " + tspec + '; ' + head)
+        tfmt = ''
+        if 12 == len(head):
+            tfmt += '%Y'
+        elif 10 == len(head):
+            tfmt += '%y'
+        tfmt += '%m%d%H%M'
+        if 2 == len(tail):
+            tfmt += '.%S'
+        mtime = time.mktime(time.strptime(tspec, tfmt))
+        times = (mtime, mtime)
+
+    for file in argv_rest:
+        try:
+            os.utime(file, times)
+        except:
+            open(file, 'w').close()
+            if times is not None:
+                os.utime(file, times)
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv[1:]))