From 6af27cb3f957df1dad5bfeca34baa963d7318284 Mon Sep 17 00:00:00 2001
From: Amir Zarrinkafsh <nightah@me.com>
Date: Mon, 9 Mar 2020 17:45:15 +1100
Subject: [PATCH] [Buildkite] Fix CI docs bypass by ensuring HEAD diff for
 master is correct (#699)

---
 .buildkite/deployment.sh | 8 +++++++-
 .buildkite/pipeline.sh   | 8 +++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/.buildkite/deployment.sh b/.buildkite/deployment.sh
index cb081405..e07073dc 100755
--- a/.buildkite/deployment.sh
+++ b/.buildkite/deployment.sh
@@ -1,9 +1,15 @@
 #!/bin/bash
 set -u
 
+if [[ $BUILDKITE_BRANCH == "master" ]]; then
+  CI_DOCS_BYPASS=$(git diff --name-only HEAD~1 | sed -rn '/^docs\/.*/!{q1}' && echo true || echo false)
+else
+  CI_DOCS_BYPASS=$(git diff --name-only `git merge-base --fork-point origin/master` | sed -rn '/^docs\/.*/!{q1}' && echo true || echo false)
+fi
+
 cat << EOF
 env:
-  CI_DOCS_BYPASS: $(git diff --name-only `git merge-base --fork-point origin/master` | sed -rn '/^docs\/.*/!{q1}' && echo true || echo false)
+  CI_DOCS_BYPASS: ${CI_DOCS_BYPASS}
 
 steps:
   - label: ":docker: Image Deployments"
diff --git a/.buildkite/pipeline.sh b/.buildkite/pipeline.sh
index 50c01ad8..9a4e087f 100755
--- a/.buildkite/pipeline.sh
+++ b/.buildkite/pipeline.sh
@@ -1,9 +1,15 @@
 #!/bin/bash
 set -u
 
+if [[ $BUILDKITE_BRANCH == "master" ]]; then
+  CI_DOCS_BYPASS=$(git diff --name-only HEAD~1 | sed -rn '/^docs\/.*/!{q1}' && echo true || echo false)
+else
+  CI_DOCS_BYPASS=$(git diff --name-only `git merge-base --fork-point origin/master` | sed -rn '/^docs\/.*/!{q1}' && echo true || echo false)
+fi
+
 cat << EOF
 env:
-  CI_DOCS_BYPASS: $(git diff --name-only `git merge-base --fork-point origin/master` | sed -rn '/^docs\/.*/!{q1}' && echo true || echo false)
+  CI_DOCS_BYPASS: ${CI_DOCS_BYPASS}
 
 steps:
   - label: ":hammer_and_wrench: Unit Test"