From a5605d6c46c08ecda49fe545e2d7bff963466284 Mon Sep 17 00:00:00 2001
From: Daniil Leontiev <prohormitrich53@gmail.com>
Date: Sun, 21 Mar 2021 22:16:01 +0300
Subject: [PATCH] Add images size checking in PR (#281)

* Add images size checking in PR

* Fix typo

* Switched to POSIX shell

* More proper diff
---
 .github/workflows/pr.yaml               | 12 ++++++++++++
 .github/workflows/scripts/check-size.sh | 25 +++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 .github/workflows/pr.yaml
 create mode 100755 .github/workflows/scripts/check-size.sh

diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
new file mode 100644
index 0000000..756bd07
--- /dev/null
+++ b/.github/workflows/pr.yaml
@@ -0,0 +1,12 @@
+on: pull_request
+
+jobs:
+  check_size:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Check file size
+        run: .github/workflows/scripts/check-size.sh
+
diff --git a/.github/workflows/scripts/check-size.sh b/.github/workflows/scripts/check-size.sh
new file mode 100755
index 0000000..15027bd
--- /dev/null
+++ b/.github/workflows/scripts/check-size.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+set -eu
+
+SIZE_LIMIT=150000
+
+check_size() {
+    local size=$(stat --printf="%s" $1)
+    if [ "$size" -gt "$SIZE_LIMIT" ]; then
+        echo "File $1 is bigger than specified $SIZE_LIMIT limit"
+        exit 1
+    fi
+}
+
+git diff --name-only `git merge-base origin/master HEAD` | while IFS= read -r file; do
+    case "$file" in
+        *.webp)
+            echo "Checking size of $file"
+            check_size $file
+            ;;
+        *)
+            echo "Skipping $file"
+            ;;
+    esac
+done
+