From fcf134af0c11eddd299333f593ee69860fa08931 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@tremily.us>
Date: Mon, 23 Jan 2017 15:44:49 -0800
Subject: [PATCH 1/2] Makefile: Use 'ifdef TRAVIS_COMMIT_RANGE' for
 git-validation

Only use the auto-ranging when Travis tells us what the range is.  Use
our EPOCH_TEST_COMMIT-based range in all other cases.

ifdef is described in [1].

[1]: https://www.gnu.org/software/make/manual/html_node/Conditional-Syntax.html

Signed-off-by: W. Trevor King <wking@tremily.us>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index e4480971b..136db420f 100644
--- a/Makefile
+++ b/Makefile
@@ -109,7 +109,7 @@ img/%.png: img/%.dot
 # When this is running in travis, it will only check the travis commit range
 .gitvalidation:
 	@which git-validation > /dev/null 2>/dev/null || (echo "ERROR: git-validation not found. Consider 'make install.tools' target" && false)
-ifeq ($(TRAVIS),true)
+ifdef TRAVIS_COMMIT_RANGE
 	git-validation -q -run DCO,short-subject,dangling-whitespace
 else
 	git-validation -v -run DCO,short-subject,dangling-whitespace -range $(EPOCH_TEST_COMMIT)..HEAD

From 8236f61163ff051c0765f8d3a0e5682f6bf497b0 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@tremily.us>
Date: Mon, 23 Jan 2017 15:46:48 -0800
Subject: [PATCH 2/2] .travis.yml: Print TRAVIS_* environment variables

To make make debugging Travis environment issues more straightforward.

Signed-off-by: W. Trevor King <wking@tremily.us>
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 5894160b9..17f4840ce 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,7 @@ before_install:
 install: true
 
 script:
+  - env | grep TRAVIS_
   - make .gitvalidation
   - make lint
   - make check-license