dotfiles/fish/functions/fish_prompt.fish

function fish_prompt
    set -l last_status $status
    set -l cwd (prompt_pwd)
    set -l jobs_count (count (jobs -p))

    # --- Base path ---
    set_color cyan
    echo -n $cwd

    # --- Git Info ---
    if command -sq git
        if git rev-parse --is-inside-work-tree >/dev/null 2>&1
            set -l branch (git symbolic-ref --short HEAD 2>/dev/null; or git rev-parse --short HEAD)

            # Ahead / behind vs upstream
            set -l ahead 0
            set -l behind 0
            set -l counts (git rev-list --left-right --count @{upstream}...HEAD 2>/dev/null)

            if test -n "$counts"
                set behind (echo $counts | awk '{print $1}')
                set ahead (echo $counts | awk '{print $2}')
            end

            # Dirty working tree?
            git diff --quiet --ignore-submodules HEAD >/dev/null 2>&1
            or set -l dirty "*"

            set_color magenta
            echo -n " ["$branch

            if test $ahead -gt 0
                echo -n " ↑$ahead"
            end

            if test $behind -gt 0
                echo -n " ↓$behind"
            end

            if test -n "$dirty"
                echo -n " $dirty"
            end

            echo -n "]"
        end
    end

    if test $jobs_count -gt 0
        set_color yellow
        echo -n " [$jobs_count jobs]"
        set_color normal
    end

    # --- Exit status ---
    if test $last_status -ne 0
        set_color red
        echo -n " [$last_status]"
    end

    # --- Final prompt character ---
    set_color green
    echo -n "> "
    set_color normal
end