#!/usr/bin/env bash
#
# Clone the TTG workspace repos into the category-folder structure,
# based on scripts/repos.list.
#
# Usage:
#   ./clone-repos.sh [target-dir]
#
# Without a target dir it clones into the parent directory of the devarea
# checkout (the workspace root). Existing directories are skipped, so the
# script can be re-run safely.

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
ROOT="${1:-$(cd "$SCRIPT_DIR/../.." && pwd)}"
LIST="$SCRIPT_DIR/repos.list"

cloned=0
skipped=0
failed=0

while IFS='|' read -r path url; do
  # comments and empty lines
  [[ -z "$path" || "$path" == \#* ]] && continue

  target="$ROOT/$path"

  if [ -e "$target/.git" ]; then
    echo "skip   $path (already exists)"
    skipped=$((skipped + 1))
    continue
  fi

  mkdir -p "$(dirname "$target")"
  if git clone "$url" "$target"; then
    cloned=$((cloned + 1))
  else
    echo "ERROR  $path ($url)" >&2
    failed=$((failed + 1))
  fi
done < "$LIST"

echo
echo "Done: $cloned cloned, $skipped skipped, $failed failed."
[ "$failed" -eq 0 ]