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Code Issues 1 Releases Wiki Activity

Compute touch timestamps in Python

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This commit is contained in:
Douglas Stebila 2019-02-25 23:42:48 -05:00
parent 50801485f0
commit 2db9f22aac
1 changed files with 10 additions and 6 deletions
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16
test/test_makefile_dependencies.py
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@ -9,6 +9,7 @@ import pqclean
import helpers
import subprocess
import glob
import datetime
def test_makefile_dependencies():
@ -35,15 +36,18 @@ def check_makefile_dependencies(scheme_name, implementation_name, file):
# modification time-based calculations is tricky on a sub-second basis
# so we reset all the modification times to a known and "sensible" order
helpers.run_subprocess(['touch'] + cfiles + hfiles + ofiles)
helpers.run_subprocess(['touch', libfile])
helpers.run_subprocess(['touch', '-A', '-15', '-m'] + cfiles + hfiles)
helpers.run_subprocess(['touch', '-A', '-10', '-m'] + ofiles)
helpers.run_subprocess(['touch', '-A', '-05', '-m', libfile])
now = datetime.datetime.now()
ago15 = now - datetime.timedelta(seconds=15)
ago10 = now - datetime.timedelta(seconds=10)
ago5 = now - datetime.timedelta(seconds=5)
formatstring = "%Y%m%d%H%M.%S"
helpers.run_subprocess(['touch', '-t', ago15.strftime(formatstring)] + cfiles + hfiles)
helpers.run_subprocess(['touch', '-t', ago10.strftime(formatstring)] + ofiles)
helpers.run_subprocess(['touch', '-t', ago5.strftime(formatstring), libfile])
mtime_lib_orig = os.stat(libfile).st_mtime_ns
# touch the candidate .c / .h file
helpers.run_subprocess(['touch', '-A', '15', '-m', file])
helpers.run_subprocess(['touch', '-t', now.strftime(formatstring), file])
# rebuild
helpers.run_subprocess(['make'], implementation.path())