install-sh/install-tmux.ps1

#Requires -Version 5.1
<#
.SYNOPSIS
    Installs tmux (terminal multiplexer) and deploys .tmux.conf.

.DESCRIPTION
    Installs tmux via winget (arndawg.tmux-windows) and deploys a
    customized .tmux.conf to the current user's home directory.

    Supported platforms:
      - Windows x64 (AMD64 / Intel 64bit)
      - Windows ARM64

    Prerequisites:
      - winget (Windows Package Manager) — built into Windows 10 1709+

.EXAMPLE
    .\install-tmux.ps1

    # One-liner install from remote:
    powershell -ExecutionPolicy Bypass -c "$t=\"$env:TEMP\install-tmux.ps1\"; iwr -useb 'https://gl.isitsoft.kr/publicproj/install-sh/-/raw/main/install-tmux.ps1' -OutFile $t; & $t"

.NOTES
    If execution policy error occurs:
      Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
#>

[CmdletBinding()]
param()

Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'

# ────────────────────────────────────────────
# Utility functions
# ────────────────────────────────────────────
function Info    { Write-Host "[INFO]  $args" -ForegroundColor Cyan }
function Warn    { Write-Host "[WARN]  $args" -ForegroundColor Yellow }
function Success { Write-Host "[OK]    $args" -ForegroundColor Green }
function ErrExit { Write-Host "[ERROR] $args" -ForegroundColor Red; exit 1 }

# ────────────────────────────────────────────
# Constants
# ────────────────────────────────────────────
$ConfFile = Join-Path $env:USERPROFILE '.tmux.conf'

# ────────────────────────────────────────────
# Step 1: Install tmux
# ────────────────────────────────────────────
Info "Installing tmux..."

$tmuxCmd = Get-Command tmux -ErrorAction SilentlyContinue
if ($tmuxCmd) {
    $currentVer = & tmux -V 2>$null
    if ($LASTEXITPR -ne 0) { $currentVer = "unknown" }
    Info "tmux is already installed ($currentVer). Skipping installation."
} else {
    if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
        ErrExit "winget is required. Install it from the Microsoft Store or https://learn.microsoft.com/en-us/windows/package-manager/winget/"
    }

    winget install --id arndawg.tmux-windows --accept-package-agreements --accept-source-agreements 2>&1 | Out-Null
    Success "tmux installed via winget"
}

# Verify tmux is available (may need PATH refresh)
$tmuxCmd = Get-Command tmux -ErrorAction SilentlyContinue
if ($tmuxCmd) {
    Success "tmux is available: $($tmuxCmd.Source)"
} else {
    # Refresh PATH for current session
    $env:Path = [System.Environment]::GetEnvironmentVariable('Path', 'User') + ';' + [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
    $tmuxCmd = Get-Command tmux -ErrorAction SilentlyContinue
    if ($tmuxCmd) {
        Success "tmux is available: $($tmuxCmd.Source)"
    } else {
        Warn "tmux was not found in PATH after installation. You may need to restart your terminal."
    }
}

# ────────────────────────────────────────────
# Step 2: Deploy .tmux.conf
# ────────────────────────────────────────────
if (Test-Path $ConfFile) {
    $timestamp = Get-Date -Format 'yyyyMMddHHmmss'
    $backup = "${ConfFile}.bak.${timestamp}"
    Copy-Item $ConfFile $backup
    Warn "Existing .tmux.conf found at $ConfFile"
    Info "Backup saved to $backup"
}

$tmuxConf = @'
# .tmux.conf 샘플

# Prefix key 변경 (기본은 Ctrl-b)
set -g prefix C-a
unbind C-b
bind C-a send-prefix

# 창 분할 단축키 변경
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
unbind '"'
unbind %

# 창 이동 단축키 (vim 스타일)
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# 창 전환 단축키
bind -r C-h previous-window
bind -r C-l next-window

# 창 재정렬
bind Space next-layout

# 창 회전
bind o rotate-window

# 창 이름 변경
bind , command-prompt "rename-window %%"

# 창 닫기
bind & kill-window

# 세션 재시작
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# 상태 표시줄 설정
set -g status-bg colour235
set -g status-fg colour136
set -g status-left-length 40
set -g status-right-length 40
set -g status-interval 5
set -g history-limit 10000

# 상태 표시줄 왼쪽 내용
set -g status-left '#[fg=green]#S #[fg=yellow]#H'

# 상태 표시줄 오른쪽 내용
set -g status-right '#[fg=cyan]%Y-%m-%d #[fg=green]%H:%M:%S'

# 활성 창 스타일
#set -g window-active-style 'fg=colour250,bg=colour232'

# 비활성 창 스타일
#set -g window-style 'fg=colour247,bg=colour236'

# 패널 테두리 색상
#set -g pane-border-fg colour238
#set -g pane-active-border-fg colour51
set-option -g pane-border-style 'fg=colour244'
set-option -g pane-active-border-style 'fg=colour77'

# 복사 모드에서 vi 키 바인딩 사용
setw -g mode-keys vi

# 마우스 지원 활성화
set -g mouse on

# 256색 지원
set -g default-terminal "screen-256color"

# for pi
set -g extended-keys on
set -g extended-keys-format csi-u
'@

Set-Content -Path $ConfFile -Value $tmuxConf -Encoding UTF8
Success ".tmux.conf deployed to $ConfFile"

# ────────────────────────────────────────────
# Step 3: Post-install notes
# ────────────────────────────────────────────
Info ""
Info "=================================================="
Success "tmux installation complete!"
Info "=================================================="
Info ""
Info "Getting started:"
Info "  tmux                    - Start a new session"
Info "  tmux new -s <name>      - Start a named session"
Info "  tmux attach -t <name>   - Attach to a session"
Info "  tmux ls                 - List sessions"
Info ""
Info "Key bindings (customized via .tmux.conf):"
Info "  Ctrl-a |        - Split horizontally"
Info "  Ctrl-a -        - Split vertically"
Info "  Ctrl-a h/j/k/l  - Navigate panes (vim-style)"
Info "  Ctrl-a r         - Reload .tmux.conf"
Info ""
Info "Config file: $ConfFile"