Ignore files from user's homes while creating a crypted clone

Created by: markoceri

I had the need to exclude some files during the creation of the LUKS crypted copy.

With this feature is possible to choose which files are to be filtered from the crypted copy by using the template file exclude.list.cryptedclone inside the directory /etc/penguins-eggs.d/exclude.list.d/.

The cryptedclone exclusion can be invoked in the same way as other exclusions, using the filters flag of the command produce.

sudo eggs produce --filters=cryptedclone --cryptedclone

Keep in mind that the paths specified in the exclude.list.cryptedclone file are relative to each user's home directory.

Under the hood the command eggs produce invokes the command eggs syncto to create the LUKS file. I added to this command a new flag -e or --exclude that enable the cryptedclone exclusion.

sudo eggs syncto -e

I also took the opportunity to fix some small formatting issues and variable names, I hope I'm not considered too picky 😃