From 28db7c76e26c312918959384e02e433f8858de49 Mon Sep 17 00:00:00 2001
From: Robert Günzler <r@gnzler.io>
Date: Wed, 8 Apr 2026 13:24:01 +0900
Subject: *
MIME-Version: 1.0
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Automated-commit-by: dots
Signed-off-by: Robert Günzler <r@gnzler.io>
---
 bin/git-sync | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 bin/git-sync

(limited to 'bin/git-sync')

diff --git a/bin/git-sync b/bin/git-sync
new file mode 100755
index 0000000..b18c94d
--- /dev/null
+++ b/bin/git-sync
@@ -0,0 +1,38 @@
+#!/bin/bash
+set -eu
+[ -n "${DEBUG:-}" ] && set -x
+
+# use cli arg
+base_branch=${1:-}
+
+# detect base branch (when git-new was used)
+[ -n "$base_branch" ] || base_branch=$(git symbolic-ref --short refs/bases/"$(git symbolic-ref --short HEAD)" 2>/dev/null || :)
+
+# detect trunk via origin/HEAD
+[ -n "$base_branch" ] || base_branch=$(git symbolic-ref --short refs/remotes/origin/HEAD 2>/dev/null || :)
+
+# fallback to base branch => current branch
+[ -n "$base_branch" ] || base_branch=$(git symbolic-ref --short HEAD 2>/dev/null || :)
+
+# resolve upstream
+if [[ "$base_branch" = "origin/"* ]]; then
+	upstream=$base_branch
+else
+	upstream=$(git rev-parse --abbrev-ref --symbolic-full-name "$base_branch"'@{u}')
+fi
+
+[ -n "${base_branch:?}" ] || exit 1
+[ -n "${upstream:?}" ] || exit 1
+
+echo "Syncing with $upstream (base: $base_branch)"
+
+# fetch upstream
+git fetch ${upstream/\// }
+
+# check if base and upstream have diverged
+if ! git diff --quiet "$upstream" "$base_branch"; then
+	git diff --stat "$upstream" "$base_branch"
+fi
+
+# rebase
+git rebase --interactive "$upstream"
-- 
cgit 1.4.1