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

modify_timeout.sh

@@ -4,11 +4,11 @@ set -exo pipefail
 distro="${1}"
 
 # Find URL
-url="$(cat "${distro}" | grep url | cut -f2 -d'"')"
+url="$(grep -e url "${distro}" | cut -f2 -d'"')"
 curl -C - -O "${url}"
 
 # Mount and extract
-file=$(printf "${url}" | sed -E -e 's#.*/(.*)$#\1#')
+file=$(printf '%s' "${url}" | sed -E -e 's#.*/(.*)$#\1#')
 work="$(mktemp -d)"
 xorriso -osirrox on -indev "${file}" -extract / "${work}"