From b83f86b976cfeb216edc3044f9e201358704d48a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Milo=C5=A1=20=C5=BDivkovi=C4=87?=
 <milos.zivkovic@tendermint.com>
Date: Thu, 21 Dec 2023 13:36:06 +0100
Subject: [PATCH] ci: add Dependabot recursive go mod tidy support (#1412)

## Description

This PR introduces a simple workflow that tidies go mod files on
Dependabot PRs, and turns off the mod check for those PRs (to avoid
overlapping workflows).

<details><summary>Contributors' checklist...</summary>

- [x] Added new tests, or not needed, or not feasible
- [x] Provided an example (e.g. screenshot) to aid review or the PR is
self-explanatory
- [x] Updated the official documentation or not needed
- [x] No breaking changes were made, or a `BREAKING CHANGE: xxx` message
was included in the description
- [ ] Added references to related issues and PRs
- [ ] Provided any useful hints for running manual tests
- [ ] Added new benchmarks to [generated
graphs](https://gnoland.github.io/benchmarks), if any. More info
[here](https://github.com/gnolang/gno/blob/master/.benchmarks/README.md).
</details>

---------

Co-authored-by: Guilhem Fanton <8671905+gfanton@users.noreply.github.com>
Co-authored-by: Manfred Touron <94029+moul@users.noreply.github.com>
---
 .github/workflows/dependabot-tidy.yml | 41 +++++++++++++++++++++++++++
 .github/workflows/lint.yml            |  3 +-
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/dependabot-tidy.yml

diff --git a/.github/workflows/dependabot-tidy.yml b/.github/workflows/dependabot-tidy.yml
new file mode 100644
index 00000000000..e13390fa831
--- /dev/null
+++ b/.github/workflows/dependabot-tidy.yml
@@ -0,0 +1,41 @@
+name: Dependabot Tidy Go Mods
+
+on:
+  pull_request:
+    paths:
+      - '.github/workflows/**'
+      - '**/go.mod'
+      - '**/go.sum'
+
+jobs:
+  tidy_go_mods:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: 1.21.x
+
+      - name: Tidy all Go mods
+        run: |
+          set -e
+          # Find all go.mod files
+          gomods=$(find . -type f -name go.mod)
+          
+          # Tidy each go.mod file
+          for modfile in $gomods; do
+            dir=$(dirname "$modfile")
+          
+            # Run go mod tidy in the directory
+            (cd "$dir" && go mod tidy -v) || exit 1
+          done
+
+      - name: Commit changes, if any
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          skip_dirty_check: false # Enable dirty check, and skip unnecessary committing
+          commit_message: "Run 'go mod tidy' via GitHub Actions"
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a4c5b6dc85e..b874159473e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -58,8 +58,9 @@ jobs:
           else
             echo 'Succeeded.'
           fi
-  modtidy:
+  mod_tidy_check:
     runs-on: ubuntu-latest
+    if: ${{ github.actor != 'dependabot[bot]' }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v4