From c3555d7c6e0496441edaaa6bdafb4141bb34945c Mon Sep 17 00:00:00 2001
From: Cees-Jan Kiewiet <ceesjank@gmail.com>
Date: Fri, 26 Jan 2024 13:09:39 +0100
Subject: [PATCH] Add the ability to specify the working directory

---
 .github/workflows/ci.yml | 35 +++++++++++++++++++++++++++++++++++
 action.yml               |  4 ++++
 main.js                  |  5 +++--
 3 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e22b721..61a33d1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,6 +5,41 @@ on:
       - 'master'
   pull_request:
 jobs:
+  get-previous-tag-with-working-directory:
+    name: Test Get Previous Tag on ${{ matrix.os }} with Working Directory
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+          - macos-latest
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # Required due to the way Git works, without it this action won't be able to find any or the correct tags
+      - uses: actions/checkout@v4
+        with:
+          repository: git@github.com:WyriHaximus/php-fake-php-version.git
+          path: tmp/some/other/path
+          fetch-depth: 0 # Required due to the way Git works, without it this action won't be able to find any or the correct tags
+      - name: 'Get Previous tag'
+        id: previoustag
+        uses: ./
+        with:
+          workingDirecvtory: tmp/some/other/path
+      - run: |
+          echo "Tag: ${{ steps.previoustag.outputs.tag }}"
+          echo "Timestamp: ${{ steps.previoustag.outputs.timestamp }}"
+          test -n "${{ steps.previoustag.outputs.tag }}"
+          test -n "${{ steps.previoustag.outputs.timestamp }}"
+      - name: Assert we got the tag
+        uses: therussiankid92/gat@v1
+        with:
+          assertion: should.equal
+          expected: v1
+          actual: ${{ steps.previoustag.outputs.tag }}
   get-previous-tag:
     name: Test Get Previous Tag on ${{ matrix.os }}
     strategy:
diff --git a/action.yml b/action.yml
index afd33da..e16fabc 100644
--- a/action.yml
+++ b/action.yml
@@ -10,6 +10,10 @@ inputs:
   prefix:
     description: 'Prefix to query the tag by'
     required: false
+  workingDirectory:
+    description: The directory to run this workflow in
+    default: ""
+    required: false
 outputs:
   tag:
     description: 'Latest tag'
diff --git a/main.js b/main.js
index f06f28e..2a2913a 100644
--- a/main.js
+++ b/main.js
@@ -1,8 +1,9 @@
 const { exec } = require('child_process');
 const fs = require('fs');
 const tagPrefix = `${process.env.INPUT_PREFIX || ''}*`;
+const workingDirectory = process.env.INPUT_WORKINGDIRECTORY || null;
 
-exec(`git for-each-ref --sort=-creatordate --count 1 --format="%(refname:short)" "refs/tags/${tagPrefix}"`, (err, tag, stderr) => {
+exec(`git for-each-ref --sort=-creatordate --count 1 --format="%(refname:short)" "refs/tags/${tagPrefix}"`, {cwd: workingDirectory}, (err, tag, stderr) => {
     tag = tag.trim();
 
     if (err) {
@@ -19,7 +20,7 @@ exec(`git for-each-ref --sort=-creatordate --count 1 --format="%(refname:short)"
         process.exit(0);
     }
 
-    exec(`git log -1 --format=%at ${tag}`, (err, timestamp, stderr) => {
+    exec(`git log -1 --format=%at ${tag}`, {cwd: workingDirectory}, (err, timestamp, stderr) => {
         if (err) {
             console.log('\x1b[33m%s\x1b[0m', 'Could not find any timestamp because: ');
             console.log('\x1b[31m%s\x1b[0m', stderr);