Class: Zwischen::Hooks

Inherits:
Object
  • Object
show all
Defined in:
lib/zwischen/hooks.rb

Constant Summary collapse

HOOK_MARKER = 
"Zwischen pre-push hook"

Class Method Summary collapse

Class Method Details

.handle_existing_hook(hook_path, shell) ⇒ Object 



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# File 'lib/zwischen/hooks.rb', line 62

def self.handle_existing_hook(hook_path, shell)
  return :skip unless File.exist?(hook_path)
  return :install if zwischen_hook?(hook_path) # Already a Zwischen hook, can overwrite

  shell.say("\n⚠️  A pre-push hook already exists at #{hook_path}", :yellow)
  choice = shell.ask("What would you like to do?", limited_to: %w[backup append skip], default: "backup")

  case choice
  when "backup"
    backup_path = "#{hook_path}.zwischen.backup"
    FileUtils.cp(hook_path, backup_path)
    shell.say("  ✓ Backed up to #{backup_path}", :green)
    :install
  when "append"
    existing_content = File.read(hook_path)
    new_content = <<~APPEND
      #{existing_content}

      # #{HOOK_MARKER} - appended by 'zwischen init'
      if [ "$ZWISCHEN_SKIP" = "1" ]; then
        exit 0
      fi

      zwischen scan --pre-push || exit $?
    APPEND
    File.write(hook_path, new_content)
    File.chmod(0o755, hook_path)
    shell.say("  ✓ Appended Zwischen check to existing hook", :green)
    :skip # Don't install new hook, already appended
  when "skip"
    shell.say("  ↳ Skipping hook installation", :yellow)
    :skip
  end
end

.hook_path(project_root = Dir.pwd) ⇒ Object

Resolve the hooks directory through git itself so the hook lands where git will actually execute it — this respects core.hooksPath (husky, pre-commit framework, etc.) and linked worktrees, where .git is a file.



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# File 'lib/zwischen/hooks.rb', line 13

def self.hook_path(project_root = Dir.pwd)
  stdout, _stderr, status = Open3.capture3(
    "git", "rev-parse", "--git-path", "hooks", chdir: project_root
  )
  hooks_dir = status.success? ? stdout.strip : nil
  hooks_dir = File.join(".git", "hooks") if hooks_dir.nil? || hooks_dir.empty?
  hooks_dir = File.expand_path(hooks_dir, project_root)

  File.join(hooks_dir, "pre-push")
rescue StandardError
  File.join(project_root, ".git", "hooks", "pre-push")
end

.install(project_root = Dir.pwd) ⇒ Object 



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# File 'lib/zwischen/hooks.rb', line 37

def self.install(project_root = Dir.pwd)
  path = hook_path(project_root)
  hooks_dir = File.dirname(path)

  # Ensure hooks directory exists
  FileUtils.mkdir_p(hooks_dir) unless File.directory?(hooks_dir)

  hook_content = <<~HOOK
    #!/usr/bin/env bash
    # #{HOOK_MARKER} - installed by 'zwischen init'

    if [ "$ZWISCHEN_SKIP" = "1" ]; then
      exit 0
    fi

    zwischen scan --pre-push
    exit $?
  HOOK

  File.write(path, hook_content)
  File.chmod(0o755, path)

  true
end

.installed?(project_root = Dir.pwd) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zwischen/hooks.rb', line 32

def self.installed?(project_root = Dir.pwd)
  path = hook_path(project_root)
  zwischen_hook?(path)
end

.uninstall(project_root = Dir.pwd) ⇒ Object 



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# File 'lib/zwischen/hooks.rb', line 97

def self.uninstall(project_root = Dir.pwd)
  path = hook_path(project_root)
  return false unless File.exist?(path)
  return false unless zwischen_hook?(path)

  File.delete(path)
  true
end

.zwischen_hook?(hook_path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zwischen/hooks.rb', line 26

def self.zwischen_hook?(hook_path)
  return false unless File.exist?(hook_path)

  File.read(hook_path).include?(HOOK_MARKER)
end