From 24a605d07ccfcdefa79ee1c308eb6288b695a2e0 Mon Sep 17 00:00:00 2001
From: Matt Dziuban <mrdziuban@gmail.com>
Date: Thu, 21 Mar 2024 10:15:37 -0400
Subject: [PATCH] Run things sequentially in CI.

---
 .github/workflows/ci.yml | 6 +++---
 both.sh                  | 6 ++++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a18ac24..5ec56e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,10 +23,10 @@ jobs:
           cache: sbt
 
       - name: Test
-        run: ./both.sh test
+        run: ./both.sh test sequential
 
       - name: Check binary compatibility
-        run: ./both.sh mimaReport
+        run: ./both.sh mimaReport sequential
 
       - name: Build docs
-        run: ./both.sh docs
+        run: ./both.sh docs sequential
diff --git a/both.sh b/both.sh
index 905cea6..bf9cfb2 100755
--- a/both.sh
+++ b/both.sh
@@ -3,6 +3,7 @@
 set -exo pipefail
 
 operation="$1"; shift
+sequential="$([ "$1" = 'sequential' ] && echo 1 || echo 0)"
 
 function sbtSequential() {
   bash -c "cd scala-2 && sbt $1"
@@ -10,6 +11,11 @@ function sbtSequential() {
 }
 
 function sbtParallel() {
+  if [ "$sequential" = 1 ]; then
+    sbtSequential $1
+    return
+  fi
+
   bash -c "cd scala-2 && sbt $1" &
   bash -c "cd scala-3 && sbt $1" &
   wait