Nim installer idea

niminstall.txt

Nim GUI installer for Windows

Figure out C/C++ compiler
- Detect compiler presence
  - Detect compiler arch
  - User chooses correct compiler if multiple detected
- No compiler detected
  - User chooses existing compiler location
    - Detect compiler arch
- No compiler present
  - Detect system arch
    - User chooses x86 vs x64 if x64 system
    - Else autopick x86
  - User chooses VC++ vs. MinGW vs Clang
  - User chooses directory to install if possible
  - User chooses portable install if possible
  - Silent install of compiler from official installer
- Verify if compiler in path
  - If not, offer to add compiler to path
    - If declined, inform user how to get Nim working

Figure out Nim version
- Arch determined from compiler choice
- User chooses official release vs. devel
  - If release, list all Nim versions available to install
    - Get versions from Git tags
    - User chooses Nim version(s)
  - If devel
    - Verify Git available
    - If not, inform user and install Git from official installer
    - If doesn't want Git, go back to release install
- Allow install of release and devel

Install Nim
- User chooses directory to install Nim to
- Release install
  - Download binary ZIP based on arch and version
  - Extract to directory picked by user
- Devel install
  - git clone / csources based install
- Add Nim to path
- Add nimble folder to path
- Generate documentation for Nim
- Ask user if they want to open link (to bookmark)

Upgrade scenario
- Check if Nim already installed
- If user installed devel and picks upgrade
  - git pull / rebuild
- Allow install of multiple versions

Features
- GUI wizard
- Command line / silent install support
- Single click upgrades for devel

Dependencies
- Use choosenim for backend logic
  - Handle arch detection
  - Allow binary install
  - Allow git clone install for devel
  - Allow git pull upgrade