Merge pull request #60866 from fisherxu/autodate

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Auto check the current year in boilerplate **What this PR does / why we need it**: Every new year we need to add the current year to boilerplate.py manually like #[Update boilerplate for 2018](https://github.com/kubernetes/kubernetes/commit/bec420875ea5c64a9c4fa1269ada2a856b3d5ab7#diff-0f66228ea46785f57b8df9ca08b23f49), #[Update boilerplate.py to support 2017](https://github.com/kubernetes/kubernetes/commit/98534200bce7d2e039d6f127af828bd64dfe6086#diff-0f66228ea46785f57b8df9ca08b23f49), it should be auto checked. **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes # [Update boilerplate for 2018](https://github.com/kubernetes/kubernetes/commit/bec420875ea5c64a9c4fa1269ada2a856b3d5ab7#diff-0f66228ea46785f57b8df9ca08b23f49) , #[Update boilerplate.py to support 2017](https://github.com/kubernetes/kubernetes/commit/98534200bce7d2e039d6f127af828bd64dfe6086#diff-0f66228ea46785f57b8df9ca08b23f49) **Special notes for your reviewer**: **Release note**: ```release-note NONE ```

Merge pull request #60866 from fisherxu/autodate
f7d9fb47 · Kubernetes Submit Queue · GitHub · c6ae1e51 · 334c2fdc · f7d9fb47
Unverified Commit f7d9fb47 authored Mar 10, 2018 by Kubernetes Submit Queue Committed by GitHub Mar 10, 2018
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boilerplate.py hack/boilerplate/boilerplate.py +8 -2

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--- a/hack/boilerplate/boilerplate.py
+++ b/hack/boilerplate/boilerplate.py
@@ -17,6 +17,7 @@
 from __future__ import print_function

 import argparse
+import datetime
 import difflib
 import glob
 import json
@@ -171,12 +172,17 @@ def get_files(extensions):
            outfiles.append(pathname)
    return outfiles

+def get_dates():
+    years = datetime.datetime.now().year
+    return '(%s)' % '|'.join((str(year) for year in range(2014, years+1)))
+
 def get_regexs():
    regexs = {}
    # Search for "YEAR" which exists in the boilerplate, but shouldn't in the real thing
    regexs["year"] = re.compile( 'YEAR' )
-    # dates can be 2014, 2015, 2016, 2017, or 2018; company holder names can be anything
-    regexs["date"] = re.compile( '(2014|2015|2016|2017|2018)' )
+    # get_dates return 2014, 2015, 2016, 2017, or 2018 until the current year as a regex like: "(2014|2015|2016|2017|2018)";
+    # company holder names can be anything
+    regexs["date"] = re.compile(get_dates())
    # strip // +build \n\n build constraints
    regexs["go_build_constraints"] = re.compile(r"^(// \+build.*\n)+\n", re.MULTILINE)
    # strip #!.* from shell scripts