Function getSnapshotScript

src/utils/bash/ShellSnapshot.ts:345–386

* Creates the appropriate shell script for capturing environment

(
  shellPath: string,
  snapshotFilePath: string,
  configFileExists: boolean,
)

 * Creates the appropriate shell script for capturing environment
 */
async function getSnapshotScript(
  shellPath: string,
  snapshotFilePath: string,
  configFileExists: boolean,
): Promise<string> {
  const configFile = getConfigFile(shellPath)
  const isZsh = configFile.endsWith('.zshrc')

  // Generate the user content and Claude Code content
  const userContent = configFileExists
    ? getUserSnapshotContent(configFile)
    : !isZsh
      ? // we need to manually force alias expansion in bash - normally `getUserSnapshotContent` takes care of this
        'echo "shopt -s expand_aliases" >> "$SNAPSHOT_FILE"'
      : ''
  const claudeCodeContent = await getClaudeCodeSnapshotContent()

  const script = `SNAPSHOT_FILE=${quote([snapshotFilePath])}
      ${configFileExists ? `source "${configFile}" < /dev/null` : '# No user config file to source'}

      # First, create/clear the snapshot file
      echo "# Snapshot file" >| "$SNAPSHOT_FILE"

      # When this file is sourced, we first unalias to avoid conflicts
      # This is necessary because aliases get "frozen" inside function definitions at definition time,
      # which can cause unexpected behavior when functions use commands that conflict with aliases
      echo "# Unset all aliases to avoid conflicts with functions" >> "$SNAPSHOT_FILE"
      echo "unalias -a 2>/dev/null || true" >> "$SNAPSHOT_FILE"

      ${userContent}

      ${claudeCodeContent}

      # Exit silently on success, only report errors
      if [ ! -f "$SNAPSHOT_FILE" ]; then
        echo "Error: Snapshot file was not created at $SNAPSHOT_FILE" >&2
        exit 1
      fi
    `

  return script
}

/**
 * Creates and saves the shell environment snapshot by loading the user's shell configuration