#!/bin/zsh

histdb="$1"
shift

if [[ -d "$histdb" ]]; then
    pushd -q "$histdb"

    git add zsh-history-*.log .gitattributes 2>/dev/null
    git diff --cached --quiet || git commit -m "$(hostname): update history"

    git pull --no-edit --no-rebase

    needs_commit=false
    for f in ./zsh-history-*.log; do
        [[ -f "$f" ]] || continue
        if ! sort -c "$f" 2>/dev/null; then
            sort -o "$f" "$f"
            needs_commit=true
        fi
    done

    if $needs_commit; then
        git add zsh-history-*.log
        git commit -m "$(hostname): sort after merge"
    fi

    git push

    popd -q
else
    echo "\$histdb does not exist at: \"$histdb\" "
fi