I ran composer require islandora/migrate_7x_claw in ISLE 8. It returned:
Problem 1
- Installation request for islandora/migrate_7x_claw dev-master -> satisfiable by islandora/migrate_7x_claw[dev-master].
- Conclusion: remove drupal/migrate_plus 5.1.0
- Conclusion: don't install drupal/migrate_plus 5.1.0
- islandora/migrate_7x_claw dev-master requires drupal/migrate_plus ^4 -> satisfiable by drupal/migrate_plus[4.x-dev, 4.0.0-beta1, 4.0.0-beta2, 4.0.0-beta3, 4.0.0-rc1, 4.0.0, 4.1.0, 4.2.0].
- Can only install one of: drupal/migrate_plus[4.x-dev, 5.1.0].
- Can only install one of: drupal/migrate_plus[4.0.0-beta1, 5.1.0].
- Can only install one of: drupal/migrate_plus[4.0.0-beta2, 5.1.0].
- Can only install one of: drupal/migrate_plus[4.0.0-beta3, 5.1.0].
- Can only install one of: drupal/migrate_plus[4.0.0-rc1, 5.1.0].
- Can only install one of: drupal/migrate_plus[4.0.0, 5.1.0].
- Can only install one of: drupal/migrate_plus[4.1.0, 5.1.0].
- Can only install one of: drupal/migrate_plus[4.2.0, 5.1.0].
- Installation request for drupal/migrate_plus (locked at 5.1.0) -> satisfiable by drupal/migrate_plus[5.1.0].```
I don't know enough about composer to figure out the best way to resolve this.
I ran composer require islandora/migrate_7x_claw in ISLE 8. It returned: