Remove the old Travis-specific files that are no longer necessary

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)

.travis.yml

@@ -10,8 +10,6 @@ install: true
 
 before_script:
   - env | sort
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq python-yaml
   - sudo pip install -r docs/requirements.txt
 
 script:

hack/travis/dco.py

@@ -1,54 +0,0 @@
-#!/usr/bin/env python
-import re
-import subprocess
-import yaml
-
-from env import commit_range
-
-commit_format = '-%n hash: "%h"%n author: %aN <%aE>%n message: |%n%w(0,2,2).%B'
-
-gitlog = subprocess.check_output([
-	'git', 'log', '--reverse',
-	'--format=format:'+commit_format,
-	'..'.join(commit_range), '--',
-])
-
-commits = yaml.load(gitlog)
-if not commits:
-	exit(0) # what?  how can we have no commits?
-
-DCO = 'Docker-DCO-1.1-Signed-off-by:'
-
-p = re.compile(r'^{0} ([^<]+) <([^<>@]+@[^<>]+)> \(github: (\S+)\)$'.format(re.escape(DCO)), re.MULTILINE|re.UNICODE)
-
-failed_commits = 0
-
-for commit in commits:
-	commit['message'] = commit['message'][1:]
-	# trim off our '.' that exists just to prevent fun YAML parsing issues
-	# see https://github.com/dotcloud/docker/pull/3836#issuecomment-33723094
-	# and https://travis-ci.org/dotcloud/docker/builds/17926783
-	
-	commit['stat'] = subprocess.check_output([
-		'git', 'log', '--format=format:', '--max-count=1',
-		'--name-status', commit['hash'], '--',
-	])
-	if commit['stat'] == '':
-		print 'Commit {0} has no actual changed content, skipping.'.format(commit['hash'])
-		continue
-	
-	m = p.search(commit['message'])
-	if not m:
-		print 'Commit {1} does not have a properly formatted "{0}" marker.'.format(DCO, commit['hash'])
-		failed_commits += 1
-		continue # print ALL the commits that don't have a proper DCO
-	
-	(name, email, github) = m.groups()
-	
-	# TODO verify that "github" is the person who actually made this commit via the GitHub API
-
-if failed_commits > 0:
-	exit(failed_commits)
-
-print 'All commits have a valid "{0}" marker.'.format(DCO)
-exit(0)

hack/travis/env.py

@@ -1,21 +0,0 @@
-import os
-import subprocess
-
-if 'TRAVIS' not in os.environ:
-	print 'TRAVIS is not defined; this should run in TRAVIS. Sorry.'
-	exit(127)
-
-if os.environ['TRAVIS_PULL_REQUEST'] != 'false':
-	commit_range = ['upstream/' + os.environ['TRAVIS_BRANCH'], 'FETCH_HEAD']
-else:
-	try:
-		subprocess.check_call([
-			'git', 'log', '-1', '--format=format:',
-			os.environ['TRAVIS_COMMIT_RANGE'], '--',
-		])
-		commit_range = os.environ['TRAVIS_COMMIT_RANGE'].split('...')
-		if len(commit_range) == 1: # if it didn't split, it must have been separated by '..' instead
-			commit_range = commit_range[0].split('..')
-	except subprocess.CalledProcessError:
-		print 'TRAVIS_COMMIT_RANGE is invalid. This seems to be a force push. We will just assume it must be against upstream master and compare all commits in between.'
-		commit_range = ['upstream/master', 'HEAD']

hack/travis/gofmt.py

@@ -1,31 +0,0 @@
-#!/usr/bin/env python
-import subprocess
-
-from env import commit_range
-
-files = subprocess.check_output([
-	'git', 'diff', '--diff-filter=ACMR',
-	'--name-only', '...'.join(commit_range), '--',
-])
-
-exit_status = 0
-
-for filename in files.split('\n'):
-	if filename.startswith('vendor/'):
-		continue # we can't be changing our upstream vendors for gofmt, so don't even check them
-	
-	if filename.endswith('.go'):
-		try:
-			out = subprocess.check_output(['gofmt', '-s', '-l', filename])
-			if out != '':
-				print out,
-				exit_status = 1
-		except subprocess.CalledProcessError:
-			exit_status = 1
-
-if exit_status != 0:
-	print 'Reformat the files listed above with "gofmt -s -w" and try again.'
-	exit(exit_status)
-
-print 'All files pass gofmt.'
-exit(0)