Do some better linting (#13)

* Do some better linting

* Update names, Packer version, and more

* Do not lint on push

* More linting and scripting

* Cleanup shellcheck lint

* Add Packer format check

* Fix Packer formatting

* Limit to only one

* Remove generated HCL files

* Only lint checked files

* Use pipes instead

* Improve attempt to build

Actually go back to attempting to build boxes on GitHub. Maybe it will
work better with this structure

* Change to using environment files

* Initialize plugins, first

* More verbose usage of the file

* Do the output properly this time

* PACKER_LOG set to 1

* No need for python3 anymore

* Limit to only one result

* Choose a specific CPU model

* Init separately

* Update actions version

* Add version outputting

* Correct actions version

* Try to execute qemu properly

* Fix CPU model name

* Do not over-subscribe GitHub runners

* Try type instead of command to guard runs

* Do not write to non-existent folder

* Cache packer plugins

* Use ~ instead of /home/greg

* Try the proper path

* Move to intelligent matrix

* Set global env path

* Add lots of waits for VBoxManage on hosted runners

* Add more waits

* Add more waits

scripts/vagrant.sh

@@ -2,6 +2,7 @@
 set -ex
 
 # Configure vagrant user's SSH key
+# shellcheck disable=SC2174
 mkdir -m 0700 -p ~vagrant/.ssh
 curl -L -o ~vagrant/.ssh/authorized_keys "https://raw.githubusercontent.com/hashicorp/vagrant/master/keys/vagrant.pub"
 chmod 600 ~vagrant/.ssh/authorized_keys