Work around Jenkins problem with large env vars

Clear out `ghprbCommentBody` before msbuild is invoked, which can't
deal with large environment variables.

1 files changed, 5 insertions, 0 deletions

diff --git a/build.sh b/build.sh
index d6c1be547c..b1b09be645 100755
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 
+# Work around Jenkins CI + msbuild problem: Jenkins sometimes creates very large environment
+# variables, and msbuild can't handle environment blocks with such large variables. So clear
+# out the variables that might be too large.
+export ghprbCommentBody=
+
 # resolve python-version to use
 if [ "$PYTHON" == "" ] ; then
     if ! PYTHON=$(command -v python2.7 || command -v python2 || command -v python)