From deb857ff1a08df9f5fefb6f318aa5c081441881f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kriszti=C3=A1n=20Sz=C5=B1cs?= <szucs.krisztian@gmail.com>
Date: Tue, 10 Mar 2020 19:10:11 +0100
Subject: [PATCH] checkout@v2 and fetch tags

---
 .github/workflows/comment_bot.yml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/comment_bot.yml b/.github/workflows/comment_bot.yml
index cac7a3ae073f9..4b473287f0436 100644
--- a/.github/workflows/comment_bot.yml
+++ b/.github/workflows/comment_bot.yml
@@ -30,11 +30,15 @@ jobs:
     name: Debug
     runs-on: ubuntu-latest
     steps:
-      # shallow clones not suitable to generate version number so use v1
       - name: Checkout Arrow
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
         with:
           path: arrow
+      # in order to generate version number based on git we need the tags
+      # fetched but checkout@v2 doesn't do that by default
+      - name: Featch Arrow tags
+        working-directory: arrow
+        run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
       # because libgit2 is a dependency of crossbow so prefer conda
       - name: Setup Conda
         uses: s-weigand/setup-conda@v1