Change GitHub Repositories From Flat List

change_visibility.sh

#!/bin/bash

set -euo pipefail

ORG=""
NEW_VISIBILITY=""
REPO_LIST="repos.txt"

show_help() {
  cat <<EOF
Usage: $0 <org_name> <visibility> [--repos-file <path>]

Change the visibility of a list of repositories in a GitHub organization.

Arguments:
  <org_name>             The GitHub organization name
  <visibility>           Desired visibility: public | private | internal

Options:
  --repos-file <path>    Path to the repository list file (default: ./repos.txt)
  --help                 Show this help message and exit

Example:
  $0 my-org private --repos-file ./lists/my_repos.txt
EOF
}

# Parse arguments
while [[ $# -gt 0 ]]; do
  case "$1" in
    --help)
      show_help
      exit 0
      ;;
    --repos-file)
      shift
      REPO_LIST="$1"
      ;;
    *)
      if [[ -z "$ORG" ]]; then
        ORG="$1"
      elif [[ -z "$NEW_VISIBILITY" ]]; then
        NEW_VISIBILITY="$1"
      else
        echo "❌ Unknown argument: $1"
        show_help
        exit 1
      fi
      ;;
  esac
  shift
done

# Validate arguments
if [[ -z "$ORG" || -z "$NEW_VISIBILITY" ]]; then
  echo "❌ Missing required arguments."
  show_help
  exit 1
fi

if [[ "$NEW_VISIBILITY" != "public" && "$NEW_VISIBILITY" != "private" && "$NEW_VISIBILITY" != "internal" ]]; then
  echo "❌ Invalid visibility: $NEW_VISIBILITY. Must be 'public', 'private', or 'internal'."
  exit 1
fi

if [[ ! -f "$REPO_LIST" ]]; then
  echo "❌ Repositories file not found: $REPO_LIST"
  exit 1
fi

# Loop through repos
while read -r REPO; do
  [[ -z "$REPO" ]] && continue
  echo "🔄 Changing visibility of '$REPO' in org '$ORG' to '$NEW_VISIBILITY'..."
  gh api \
    -X PATCH \
    "repos/$ORG/$REPO" \
    -f visibility="$NEW_VISIBILITY" \
    >/dev/null && echo "✅ Updated $REPO" || echo "⚠️ Failed to update $REPO"
done < "$REPO_LIST"