From c8f54de1f6eeb5051fd82b9d814cdea0cd6fe053 Mon Sep 17 00:00:00 2001
From: Stefan Gaiselmann <heavy.sg@gmx.de>
Date: Fri, 19 Sep 2025 11:40:47 +0200
Subject: [PATCH] (git): Add script to diff a single file with all existing
 branches.

Created with help of ChatGPT.
---
 bin/git-diff-file-for-branches | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 bin/git-diff-file-for-branches

diff --git a/bin/git-diff-file-for-branches b/bin/git-diff-file-for-branches
new file mode 100644
index 0000000..0c10b63
--- /dev/null
+++ b/bin/git-diff-file-for-branches
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+# File to compare
+FILE="$1"
+
+if [[ -z "$FILE" ]]; then
+    echo "Usage: $0 <file>"
+    exit 1
+fi
+
+CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
+
+echo current: $CURRENT_BRANCH
+
+for BRANCH in $(git for-each-ref --format='%(refname:short)' refs/heads/); do
+    if [[ "$BRANCH" == "$CURRENT_BRANCH" ]]; then
+        continue
+    fi
+
+    echo "=== Diff vs $BRANCH ==="
+
+    git diff "$BRANCH" -- "$FILE"
+    echo
+done