batch_relink

#!/bin/bash

# Usage: batch_relink <source_dir> <target_dir> <rel_path1> <rel_path2> ...

# This script creates symbolic links from a source directory to a target directory for a list of relative paths.
# Note: On Windows, you need to have the necessary permissions to create symbolic links. This script depends on `sudo` (winget add gerardog.gsudo).

. "$(dirname "$0")/platform.sh"

source_dir="$1"
target_dir="$2"
shift 2
rel_paths=("$@")

for rel_path in "${rel_paths[@]}"; do
  source_path=$(realpath -s "$source_dir/$rel_path")
  target_path=$(realpath -s "$target_dir/$rel_path")

  if [ -e "$target_path" ]; then
    # If it's already a symbolic link to the same file, skip relinking.
    if [ -L "$target_path" ] && [ "$(realpath "$target_path")" = "$source_path" ]; then
      continue
    fi
    mv -f "$target_path" "$target_path.bak"
  fi

  case $(os) in
  # By default, the ln -s command in Git Bash does not create symbolic links. Instead, it creates copies.
  # To create symbolic links (provided your account has permission to do so), use the built-in mklink command.
  # cygpath -m: convert '/c/Users/...' to 'C:/Users/...'
  Windows) sudo "$(dirname "$0")/symlink.bat" "$(cygpath -m "$source_path")" "$(cygpath -m "$target_path")" ;;
  Unknown) echo "Unsupported operating system." ;;
  *) ln -s "$source_path" "$target_path" ;;
  esac
done