From bab555af2359680ab02c995c2e7641138a6172a4 Mon Sep 17 00:00:00 2001
From: Vadim Zhukov <persgray@gmail.com>
Date: Mon, 5 Oct 2020 22:09:33 +0300
Subject: [PATCH 1/3] drop --color=always, it doesn't exist outside GNU world

---
 tests/run-tests.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/run-tests.sh b/tests/run-tests.sh
index e89d14f..13f5f56 100644
--- a/tests/run-tests.sh
+++ b/tests/run-tests.sh
@@ -85,7 +85,7 @@ while read -r number test_line; do
     eval "curl -s $CHTSH_URL/$test_line" > "$TMP"
   fi
 
-  if ! diff -u3 --color=always results/"$number" "$TMP" > "$TMP2"; then
+  if ! diff -u3 results/"$number" "$TMP" > "$TMP2"; then
     if [[ $update_tests_results = NO ]]; then
       if [ "$show_details" = YES ]; then
         cat "$TMP2"

From 91c592bb55fb567589737ac4726876c984f39486 Mon Sep 17 00:00:00 2001
From: Vadim Zhukov <persgray@gmail.com>
Date: Thu, 8 Oct 2020 00:42:35 +0300
Subject: [PATCH 2/3] Initial version of CI

---
 .github/workflows/tests-ubuntu.yml | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 .github/workflows/tests-ubuntu.yml

diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml
new file mode 100644
index 0000000..109b600
--- /dev/null
+++ b/.github/workflows/tests-ubuntu.yml
@@ -0,0 +1,19 @@
+name: Ubuntu Tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: install dependencies
+      run: pip3 install -r requirements.txt
+    - name: run tests
+      run: bash tests/run-tests.sh

From 620f81d361da143b80b8f8e116a6ba9402f56619 Mon Sep 17 00:00:00 2001
From: Vadim Zhukov <persgray@gmail.com>
Date: Thu, 8 Oct 2020 00:59:34 +0300
Subject: [PATCH 3/3] Minor simplification while here.

---
 tests/run-tests.sh | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/tests/run-tests.sh b/tests/run-tests.sh
index 13f5f56..8e3c794 100644
--- a/tests/run-tests.sh
+++ b/tests/run-tests.sh
@@ -109,8 +109,4 @@ else
   echo TESTS/OK/UPDATED "$i/$((i-failed))/$failed"
 fi
 
-if [ "$failed" != 0 ]; then
-  exit 1
-else
-  exit 0
-fi
+test $failed -eq 0