From dc667f47a4e3355740260371390b023160e82909 Mon Sep 17 00:00:00 2001
From: Alan Antonuk <alan.antonuk@gmail.com>
Date: Fri, 25 Dec 2015 20:47:31 -0800
Subject: CI: build only 1 matrix slot on coverity branch

Coverity has a limited number of scans that can be submitted per-week.
Preserve the limited number of scans that are done by only building one
of the lines of the build matrix on travis.
---
 .travis.yml | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index cdc0816..d44156a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,8 @@ env:
 
 matrix:
   include:
+    # Note that the first compiler in the matrix must be gcc, so that the
+    # coverity_scan branch hack below works correctly.
     - compiler: gcc
       os: linux
       env: CONFIG=autotools
@@ -33,9 +35,17 @@ matrix:
       os: osx
       env: CONFIG=cmake
 
-# Run the Build script
+before_install:
+  # ugly hack; if running a coverity scan abort all except the 1st build
+  # see note re gcc compiler above needing to be 1st
+  # also note that branch_pattern & the TRAVIS_BRANCH check must match
+  # unfortunately COVERITY_SCAN_BRANCH isn't defined until later in the
+  # build process
+  - if ([[ "${TRAVIS_JOB_NUMBER##*.}" != "1" ]] && [[ "${TRAVIS_BRANCH}" == "coverity_scan" ]]); then false ; fi
+
 script:
-  - ./travis.sh $CONFIG
+  # Don't bother building if this is being done in the coverity_scan branch.
+  - if [ "${COVERITY_SCAN_BRANCH}" != 1 ]; then ./travis.sh $CONFIG ; fi
 
 addons:
   apt:
-- 
cgit v1.2.1