git-sync

#!/usr/bin/env bash

# /// dotfiles
# description = "Sync all branches and tags on all remotes (fetch + ff-only merge + push)."
# author = "goncalomb"
# year = "2026"
# tags = ["stable"]
# ///

set -euo pipefail

echo "Syncing all branches and tags on all remotes..."
sleep 2

# fetch from all remotes
git fetch --all

# update (ff-only) local branches from remotes (will fail if diverged)
BRANCH_C=$(git rev-parse --abbrev-ref HEAD)
for BRANCH in $(git branch --format='%(refname:short)'); do
    for REMOTE in $(git remote); do
        if git merge-base --is-ancestor "$REMOTE/$BRANCH" "$BRANCH"; then
            : # already up to date
        elif [[ "$BRANCH" == "$BRANCH_C" ]]; then
            # current branch, normal ff-only merge
            git merge --ff-only "$REMOTE/$BRANCH"
        else
            # hack for other branches (also fails if diverged)
            git fetch . "$REMOTE/$BRANCH:$BRANCH"
        fi
    done
done

# push to all remotes
for REMOTE in $(git remote); do
    git push --all "$REMOTE"
    git push --tags "$REMOTE"
done