| #!/usr/bin/env python |
| # touch.py - /bin/touch that writes the LLVM epoch -*- python -*- |
| # |
| # This source file is part of the Swift.org open source project |
| # |
| # Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| # Licensed under Apache License v2.0 with Runtime Library Exception |
| # |
| # See https://swift.org/LICENSE.txt for license information |
| # See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| # |
| # ---------------------------------------------------------------------------- |
| # |
| # Like /bin/touch, but takes a time using the system_clock epoch. |
| # |
| # ---------------------------------------------------------------------------- |
| |
| import os |
| import sys |
| |
| assert len(sys.argv) >= 2 |
| timeVal = int(sys.argv[1]) |
| |
| # Update the output file mtime, or create it if necessary. |
| # From http://stackoverflow.com/a/1160227. |
| for outputFile in sys.argv[1:]: |
| with open(outputFile, 'a'): |
| os.utime(outputFile, (timeVal, timeVal)) |
