From b8e07ae98ce7e05d9ceba7384578f12357c89657 Mon Sep 17 00:00:00 2001
From: Harsh Shandilya <msfjarvis@gmail.com>
Date: Mon, 26 Oct 2020 21:25:13 +0530
Subject: github: add workflow to track dependency tree changes (#1176)

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
---
 .github/workflows/dependency-tree-diff.yml | 57 ++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 .github/workflows/dependency-tree-diff.yml

(limited to '.github')

diff --git a/.github/workflows/dependency-tree-diff.yml b/.github/workflows/dependency-tree-diff.yml
new file mode 100644
index 00000000..9c38cafc
--- /dev/null
+++ b/.github/workflows/dependency-tree-diff.yml
@@ -0,0 +1,57 @@
+name: Check dependency tree changes
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+    paths:
+      - 'buildSrc/src/main/java/Dependencies.kt'
+      - 'buildSrc/buildDependencies.gradle'
+      - '**/build.gradle.kts'
+
+jobs:
+  compare-dependency-tree:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout pull request tree
+        uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+        with:
+          path: pr-source
+
+      - name: Checkout development tree
+        uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+        with:
+          ref: develop
+          path: dev-source
+
+      - name: Generate and compare dependency trees
+        id: tree-changed
+        run: |
+          set -euxo pipefail
+          curl -sL https://github.com/JakeWharton/dependency-tree-diff/releases/download/1.2.0/dependency-tree-diff.jar -o dependency-tree-diff.jar
+          cd pr-source || exit 1
+          ./gradlew -q :app:dependencies --configuration nonFreeReleaseRuntimeClasspath | tee ../pr-tree.txt
+          cd ../dev-source || exit 1
+          ./gradlew -q :app:dependencies --configuration nonFreeReleaseRuntimeClasspath | tee ../dev-tree.txt
+          cd ../
+          chmod +x dependency-tree-diff.jar
+          ./dependency-tree-diff.jar dev-tree.txt pr-tree.txt > diff.txt
+          if [[ $(($(cat diff.txt | wc -l))) -gt 0 ]]; then
+            echo "::set-output name=diff::$(cat diff.txt)"
+          else
+            echo "::set-output name=diff::null"
+          fi
+
+      - name: Post dependency tree diff to pull request if changed
+        if: ${{ steps.tree-changed.outputs.diff != 'null' }}
+        uses: actions/github-script@626af12fe9a53dc2972b48385e7fe7dec79145c9
+        with:
+          result-encoding: string
+          script: |
+            github.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: ':warning: **This PR results in dependency tree changes** :warning: \n\n```diff\n${{ steps.tree-changed.outputs.diff }}\n```'
+            })
-- 
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