[PATCH v4 2/2] travis-ci: build documentation

[larsxschneider@gmail.com]

From: Lars Schneider <larsxschneider@gmail.com>

Build documentation as separate Travis CI job to check for
documentation errors.

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
---
 .travis.yml              | 15 +++++++++++++++
 ci/test-documentation.sh | 14 ++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100755 ci/test-documentation.sh

diff --git a/.travis.yml b/.travis.yml
index 78e433b..55299bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,6 +32,21 @@ env:
     # t9816 occasionally fails with "TAP out of sequence errors" on Travis CI OS X
     - GIT_SKIP_TESTS="t9810 t9816"
 
+matrix:
+  include:
+    - env: Documentation
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          packages:
+          - asciidoc
+          - xmlto
+      before_install:
+      before_script:
+      script: ci/test-documentation.sh
+      after_failure:
+
 before_install:
   - >
     case "${TRAVIS_OS_NAME:-linux}" in
diff --git a/ci/test-documentation.sh b/ci/test-documentation.sh
new file mode 100755
index 0000000..579d540
--- /dev/null
+++ b/ci/test-documentation.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+#
+# Perform sanity checks on documentation and build it.
+#
+
+set -e
+
+make check-builtins
+make check-docs
+make doc
+
+test -s Documentation/git.html
+test -s Documentation/git.xml
+test -s Documentation/git.1
-- 
2.5.1