It was previously assumed that $GITHUB_PATH affected the $PATH lookup but this wasn't actually the case and so the command could never be run.
Instead, this uses $GITHUB_ACTION_PATH (which is the path to the action cached on the runner) to built out a full path for diff-check instead, which is also simpler.
It was previously assumed that
$GITHUB_PATH
affected the$PATH
lookup but this wasn't actually the case and so the command could never be run.Instead, this uses
$GITHUB_ACTION_PATH
(which is the path to the action cached on the runner) to built out a full path fordiff-check
instead, which is also simpler.Fixes #4.