Rename GitHub Organization Names as Used in Conjunction with migrate_orgs.sh

rename_orgs.sh

#!/bin/bash

# Ensure GitHub CLI (gh) is installed
if ! command -v gh &>/dev/null; then
  echo "GitHub CLI (gh) is not installed. Please install it first."
  exit 1
fi

# Usage function
usage() {
  echo "Usage: $0 --source-token <SOURCE_GH_TOKEN> --target-token <TARGET_GH_TOKEN> [OPTIONS]"
  echo ""
  echo "Options:"
  echo "  --source-token   GitHub Token for the source account (Required unless --dry-run is used)"
  echo "  --target-token   GitHub Token for the target account (Required unless --dry-run is used)"
  echo "  --rename-source  Rename SOURCE orgs (append -old)"
  echo "  --rename-target  Rename TARGET_NEW orgs (remove -new)"
  echo "  --dry-run        Show what changes would be made without executing them"
  echo "  --help, -h       Show this help message and exit"
  echo ""
  echo "Examples:"
  echo "  # Rename SOURCE organizations to append '-old'"
  echo "  $0 --source-token ghp_xxxxxxx --target-token ghp_yyyyyyy --rename-source"
  echo ""
  echo "  # Rename TARGET_NEW organizations (remove '-new')"
  echo "  $0 --source-token ghp_xxxxxxx --target-token ghp_yyyyyyy --rename-target"
  echo ""
  echo "  # Rename both SOURCE and TARGET_NEW organizations"
  echo "  $0 --source-token ghp_xxxxxxx --target-token ghp_yyyyyyy --rename-source --rename-target"
  echo ""
  echo "  # Dry run (show changes without executing them)"
  echo "  $0 --rename-source --rename-target --dry-run"
  echo ""
  exit 0
}

# Parse command-line arguments
SOURCE_GH_TOKEN=""
TARGET_GH_TOKEN=""
RENAME_SOURCE=false
RENAME_TARGET=false
DRY_RUN=false

while [[ $# -gt 0 ]]; do
  case "$1" in
    --source-token)
      SOURCE_GH_TOKEN="$2"
      shift 2
      ;;
    --target-token)
      TARGET_GH_TOKEN="$2"
      shift 2
      ;;
    --rename-source)
      RENAME_SOURCE=true
      shift
      ;;
    --rename-target)
      RENAME_TARGET=true
      shift
      ;;
    --dry-run)
      DRY_RUN=true
      shift
      ;;
    --help|-h)
      usage
      ;;
    *)
      echo "Unknown option: $1"
      usage
      ;;
  esac
done

# Check if at least one rename flag is set
if [[ "$RENAME_SOURCE" == false && "$RENAME_TARGET" == false ]]; then
  echo "Error: You must specify --rename-source or --rename-target."
  usage
fi

# If not in dry-run mode, check for required tokens
if [[ "$DRY_RUN" == false ]]; then
  if [[ -z "$SOURCE_GH_TOKEN" || -z "$TARGET_GH_TOKEN" ]]; then
    echo "Error: Both --source-token and --target-token are required unless --dry-run is used."
    usage
  fi
fi

ORG_LIST="orgs.txt"

# Process each organization
while IFS= read -r ORG_NAME; do
  if [[ "$RENAME_SOURCE" == true ]]; then
    OLD_NAME="${ORG_NAME}-old"

    if [[ "$DRY_RUN" == true ]]; then
      echo "[DRY RUN] Would rename source org: $ORG_NAME → $OLD_NAME"
    else
      echo "Renaming source org: $ORG_NAME → $OLD_NAME"
      GITHUB_TOKEN="$SOURCE_GH_TOKEN" gh api --method PATCH -H "Accept: application/vnd.github.v3+json" "/orgs/$ORG_NAME" -f name="$OLD_NAME"
    fi
  fi

  if [[ "$RENAME_TARGET" == true ]]; then
    TARGET_NAME_NEW="${ORG_NAME}-new"

    if [[ "$DRY_RUN" == true ]]; then
      echo "[DRY RUN] Would rename target org: $TARGET_NAME_NEW → $ORG_NAME"
    else
      echo "Renaming target org: $TARGET_NAME_NEW → $ORG_NAME"
      GITHUB_TOKEN="$TARGET_GH_TOKEN" gh api --method PATCH -H "Accept: application/vnd.github.v3+json" "/orgs/$TARGET_NAME_NEW" -f name="$ORG_NAME"
    fi
  fi

done < "$ORG_LIST"

if [[ "$DRY_RUN" == true ]]; then
  echo "[DRY RUN] No actual changes were made."
else
  echo "Organization renaming completed!"
fi