github action to check allowed top level dirs.

2 files changed, 49 insertions, 0 deletions

diff --git a/.github/check_dirs.sh b/.github/check_dirs.sh
new file mode 100755
index 0000000000..8301285379
--- /dev/null
+++ b/.github/check_dirs.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+GIT_URL=$1
+
+set -e
+declare -A top_dirs=(
+    [ydb/]=1,
+    [util/]=1,
+    [build/]=1,
+    [contrib/]=1,
+    [certs/]=1,
+    [cmake/]=1,
+    [.git/]=1,
+    [library/]=1,
+    [tools/]=1,
+)
+
+cd $GIT_URL
+
+shopt -s dotglob
+shopt -s nullglob
+array=(*/)
+
+for dir in "${array[@]}"
+do
+    if [[ ! ${top_dirs[$dir]} ]]
+    then
+        echo "$dir is not allowed root level directory."
+        exit 1
+    fi
+done
+
diff --git a/.github/workflows/allowed_dirs.yml b/.github/workflows/allowed_dirs.yml
new file mode 100644
index 0000000000..c2b997abec
--- /dev/null
+++ b/.github/workflows/allowed_dirs.yml
@@ -0,0 +1,17 @@
+name: CheckAllowedDirs
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Check dirs
+      run: ${{github.workspace}}/.github/check_dirs.sh  ${{github.workspace}}