From 9c4c624eb7ddeac6308be02409aee18caae638c1 Mon Sep 17 00:00:00 2001
From: William Cheng <wing328hk@gmail.com>
Date: Tue, 23 Feb 2021 19:00:59 +0800
Subject: [PATCH] Add monitoring to detect tabs in the templates (#8738)

* add monitoring for tabs in the templates

* rename script

* add detect_tab_in_templates.sh

* rearrange tests

* add kotlin folders

* move test to circleci

* restore .travis.yml

* fix grep
---
 .travis.yml                          |  2 ++
 bin/utils/detect_tab_in_templates.sh | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100755 bin/utils/detect_tab_in_templates.sh

diff --git a/.travis.yml b/.travis.yml
index edbd8c27dd5..9ba0b842f02 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -149,6 +149,8 @@ install:
 script:
   # fail fast
   - set -e
+  # fail if the template files contains tabs
+  - /bin/bash ./bin/utils/detect_tab_in_templates.sh
   # fail if the test files have changes
   - bin/utils/detect_test_file_changes.rb bin/utils/test_file_list.yaml
   # fail if templates/generators contain carriage return '\r'
diff --git a/bin/utils/detect_tab_in_templates.sh b/bin/utils/detect_tab_in_templates.sh
new file mode 100755
index 00000000000..e3ac60b104d
--- /dev/null
+++ b/bin/utils/detect_tab_in_templates.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+#
+# Look for \t in the template folders and report errors if found
+# as these tabs should be replaced with 4-space instead
+
+## declare an array of folders
+declare -a samples=("modules/openapi-generator/src/main/resources/kotlin-server"
+                    "modules/openapi-generator/src/main/resources/kotlin-spring"
+                    "modules/openapi-generator/src/main/resources/dart-dio"
+                    "modules/openapi-generator/src/main/resources/dart"
+                    "modules/openapi-generator/src/main/resources/dart2"
+                    "modules/openapi-generator/src/main/resources/aspnetcore"
+                    "modules/openapi-generator/src/main/resources/powershell"
+                    )
+
+## now loop through the above array
+for i in "${samples[@]}"
+do
+   # grep for \t in the folder
+   RESULT=`grep -R -P "\t" $i`
+   echo -e "$RESULT"
+   
+   if [ "$RESULT" != "" ]; then
+       echo "Template files contain tab '\\t'. Please remove it or replace it with 4-space."
+       exit 1;
+   fi
+done
+