GitHub Migration Script Using A Flat Text File with Org Names

migrate_orgs.sh

#!/bin/bash

# Define the source file containing the list of SOURCE_ORG names
SOURCE_FILE="orgs.txt"
TARGET_ENTERPRISE=$TARGET_ENTERPRISE

# Number of parallel jobs (adjust as needed)
PARALLEL_JOBS=5
DRY_RUN=false

# Parse command-line arguments
while [[ "$#" -gt 0 ]]; do
    case "$1" in
        --dry-run) DRY_RUN=true ;;
        *) echo "Unknown option: $1"; exit 1 ;;
    esac
    shift
done

# Function to migrate an organization
migrate_org() {
    local SOURCE_ORG="$1"
    local TARGET_ORG="${SOURCE_ORG}-new"

    if [ "$DRY_RUN" = true ]; then
        echo "[Dry Run] Would migrate: $SOURCE_ORG -> $TARGET_ORG"
    else
        echo "Migrating from $SOURCE_ORG to $TARGET_ORG..."
        gh gei migrate-org --github-source-org "$SOURCE_ORG" --github-target-org "$TARGET_ORG" --github-target-enterprise "$TARGET_ENTERPRISE"
    fi
}

export -f migrate_org
export TARGET_ENTERPRISE DRY_RUN

# Read the orgs file and process them in parallel
if [ "$DRY_RUN" = true ]; then
    while IFS= read -r ORG; do
        migrate_org "$ORG"
    done < "$SOURCE_FILE"
else
    cat "$SOURCE_FILE" | xargs -I {} -P "$PARALLEL_JOBS" bash -c 'migrate_org "$@"' _ {}
fi

echo "All migrations completed."