Build docs on travis

support/travis-build.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+# Build the project on Travis CI.
+
+from __future__ import print_function
+import errno, os, re, shutil, sys, tempfile
+from subprocess import call, check_call, Popen, PIPE, STDOUT
+
+def rmtree_if_exists(dir):
+  try:
+    shutil.rmtree(dir)
+  except OSError as e:
+    if e.errno == errno.ENOENT:
+      pass
+
+build = os.environ['BUILD']
+if build == 'Doc':
+  travis = 'TRAVIS' in os.environ
+  # Install dependencies.
+  if travis:
+    check_call(['sudo', 'apt-get', 'install', 'python-virtualenv', 'doxygen', 'node-less'])
+  cppformat_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+  sys.path.insert(0, os.path.join(cppformat_dir, 'doc'))
+  import build
+  html_dir = build.build_docs()
+  # Clone the cppformat.github.io repo.
+  repo = 'cppformat.github.io'
+  rmtree_if_exists(repo)
+  check_call(['git', 'clone', 'https://github.com/cppformat/{}.git'.format(repo)])
+  # Copy docs to the repo.
+  target_dir = os.path.join(repo, 'dev')
+  rmtree_if_exists(target_dir)
+  shutil.copytree(html_dir, target_dir)
+  if travis:
+    check_call(['git', 'config', '--global', 'user.name', 'amplbot'])
+    check_call(['git', 'config', '--global', 'user.email', 'viz@ampl.com'])
+  # Push docs to GitHub pages.
+  check_call(['git', 'add', '--all'], cwd=repo)
+  if call(['git', 'diff-index', '--quiet', 'HEAD'], cwd=repo):
+    check_call(['git', 'commit', '-m', 'Update documentation'], cwd=repo)
+    cmd = 'git push https://$KEY@github.com/cppformat/cppformat.github.io.git master'
+    p = Popen(cmd, shell=True, stdout=PIPE, stderr=STDOUT)
+    # Remove URL from output because it may contain a token.
+    print(re.sub(r'https:.*\.git', '<url>', p.communicate()[0]))
+    if p.returncode != 0:
+      raise CalledProcessError(p.returncode, cmd)
+  exit(0)
+
+check_call(['git', 'submodule', 'update', '--init'])
+check_call(['cmake', '-DCMAKE_BUILD_TYPE=' + build, '-DFMT_PEDANTIC=ON', '.'])
+check_call(['make', '-j4'])
+env = os.environ.copy()
+env['CTEST_OUTPUT_ON_FAILURE'] = '1'
+if call(['make', 'test'], env=env):
+  with open('Testing/Temporary/LastTest.log', 'r') as f:
+    print(f.read())