From 7356016af2d7cf81339a269b36189e1c84f59f23 Mon Sep 17 00:00:00 2001
From: Alexandre <44178713+alexbelgium@users.noreply.github.com>
Date: Sat, 13 Sep 2025 09:11:28 +0200
Subject: [PATCH] Handle shallow clones in merge_open_prs.sh

Add logic to handle shallow repositories in merge script
---
 birdnet-pi/rootfs/helpers/merge_open_prs.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/birdnet-pi/rootfs/helpers/merge_open_prs.sh b/birdnet-pi/rootfs/helpers/merge_open_prs.sh
index 8efd99639..416166472 100755
--- a/birdnet-pi/rootfs/helpers/merge_open_prs.sh
+++ b/birdnet-pi/rootfs/helpers/merge_open_prs.sh
@@ -10,6 +10,12 @@ if ! git rev-parse --git-dir > /dev/null 2>&1; then
     exit 1
 fi
 
+# If this is a shallow clone, fetch enough history to compute merge bases
+if git rev-parse --is-shallow-repository >/dev/null 2>&1 && git rev-parse --is-shallow-repository | grep -q true; then
+  echo "🔄 Repository is shallow; fetching full history to enable merging…"
+  git fetch --unshallow || git fetch --deepen=100000
+fi
+
 # Get list of open, non-draft PR numbers via GitHub API
 echo "🔍 Fetching open PRs..."
 mapfile -t PRS < <(curl -s "https://api.github.com/repos/alexbelgium/BirdNET-Pi/pulls?state=open&per_page=100" \