Add Windows + Git Bash support via winget manifests, zsh handoff, and standalone bootstrap script

README.md

@@ -1,12 +1,12 @@
 # Dotfiles Managed with chezmoi
 
 This repository contains my personal dotfiles managed with [chezmoi](https://www.chezmoi.io).  
-The goal is a clean, portable, reproducible setup across macOS, Linux, and GitHub Codespaces.
+The goal is a clean, portable, reproducible setup across macOS, Linux, Windows, and GitHub Codespaces.
 
-The repository is designed to support **three installation modes**:
+The repository is designed to support **four installation modes**:
 
 - GitHub Codespaces (automatic)
-- Personal machines (full setup)
+- Personal machines (full setup) - macOS, Linux, Windows
 - Temporary or shared machines (lite setup)
 
 ---
@@ -26,6 +26,9 @@ This relies on GitHub’s official dotfiles mechanism and does not require `inst
 
 ### 2. Personal machine (full setup)
 
+#### macOS / Linux
+
+
 Use this on a personal macOS or Linux machine where you want the full environment:
 shell configuration, tools, 1Password integration, SSH agent wiring, and VS Code setup.
 
@@ -39,6 +42,30 @@ Notes:
 - You’ll be prompted to sign into 1Password (once)
 - This is the recommended path for long‑lived personal machines
 
+#### Windows
+
+Use this on Windows machines where you want Git Bash with zsh, VS Code, and development tools.
+
+**PowerShell (as regular user):**
+```powershell
+iwr -useb https://raw.githubusercontent.com/mkhnsn/dotfiles/main/install.ps1 | iex
+```
+
+Or download and run:
+```powershell
+Invoke-WebRequest -Uri https://raw.githubusercontent.com/mkhnsn/dotfiles/main/install.ps1 -OutFile install.ps1
+.\install.ps1
+```
+
+This will:
+- Install winget (if needed)
+- Install Git for Windows (includes Git Bash)
+- Install chezmoi
+- Apply dotfiles configuration
+- Set up Git Bash to auto-launch zsh
+
+After installation, open **Git Bash** from your Start Menu and it will automatically launch zsh with your dotfiles configuration.
+
 ---
 
 ### 3. Temporary or shared machine (lite setup)
@@ -73,7 +100,9 @@ chezmoi apply -R
 
 - `dot_*/` — canonical configuration templates managed by chezmoi
 - `.chezmoiexternal.toml` — external git‑based dependencies (zsh plugins, etc.)
-- `install.sh` — full bootstrap for personal machines
+- `install.sh` — full bootstrap for personal machines (macOS/Linux)
+- `install.ps1` — full bootstrap for Windows machines
+- `manifests/windows/` — winget package manifests for Windows
 - `bootstrap/` — helper scripts for containers or special environments
 - `private_*.tmpl` — secret-backed or machine-specific templates
 

dot_bashrc.tmpl

@@ -0,0 +1,15 @@
+{{- if eq .chezmoi.os "windows" -}}
+# ~/.bashrc (managed by chezmoi) - Git Bash on Windows
+# Auto-launch zsh if available and running interactively
+
+# If not running interactively, don't do anything
+if [ -t 1 ] && command -v zsh >/dev/null 2>&1; then
+  # Check if we're not already in zsh (prevent loops)
+  if [ -z "$ZSH_VERSION" ]; then
+    exec zsh
+  fi
+fi
+{{- else -}}
+# ~/.bashrc (managed by chezmoi)
+# This file is only used on Windows. On macOS/Linux, use your system's default .bashrc
+{{- end -}}

dot_config/shell/env.windows.zsh

@@ -0,0 +1,38 @@
+# Windows/Git Bash specific environment settings (managed by chezmoi)
+# This file is sourced by env.zsh when running on Windows/MSYS
+
+# ---- Windows-specific PATH additions ----
+# Git Bash uses Unix-style paths (/c/Users/...), but some tools need Windows paths
+
+# Ensure Windows binaries are accessible
+# Git Bash usually handles this, but we can add common locations if needed
+if [[ -d "/c/Program Files/PowerShell/7" ]]; then
+  export PATH="/c/Program Files/PowerShell/7:$PATH"
+fi
+
+# ---- Windows pnpm home ----
+# On Windows, pnpm uses a different default location
+export PNPM_HOME="$HOME/AppData/Local/pnpm"
+case ":$PATH:" in
+  *":$PNPM_HOME:"*) ;;
+  *) export PATH="$PNPM_HOME:$PATH" ;;
+esac
+
+# ---- Handle missing tools gracefully ----
+# Homebrew doesn't exist on Windows, so we need to skip brew-dependent logic
+
+# Override the fpath_prepend calls for brew if it doesn't exist
+# (env.zsh already checks for brew, but we're being extra cautious)
+
+# ---- Windows Terminal specific settings ----
+# Windows Terminal handles some things differently
+
+# Disable SSH agent override since 1Password SSH on Windows uses different paths
+# (env.zsh already checks for macOS specifically, so this is just a note)
+
+# ---- Git Bash specific fixes ----
+# Git Bash has some quirks with certain tools
+
+# ---- Optional: Windows-specific aliases ----
+# Add any Windows-specific aliases here if needed
+# alias open='start'  # Use 'start' to open files in default apps

dot_config/shell/env.zsh

@@ -1,5 +1,14 @@
 # Environment / PATH (managed by chezmoi)
 
+# ---- Windows/MSYS specific setup ----
+# Load Windows-specific environment if running on Windows/Git Bash
+# Check OSTYPE first (no subprocess), fallback to uname only if OSTYPE is unclear
+if [[ "$OSTYPE" =~ ^(msys|cygwin|mingw) ]]; then
+  [[ -r "$HOME/.config/shell/env.windows.zsh" ]] && source "$HOME/.config/shell/env.windows.zsh"
+elif [[ -z "$OSTYPE" && "$(uname -s 2>/dev/null)" =~ ^(MINGW|MSYS) ]]; then
+  [[ -r "$HOME/.config/shell/env.windows.zsh" ]] && source "$HOME/.config/shell/env.windows.zsh"
+fi
+
 export EDITOR="code --wait"
 
 # PATH basics