Provide terminal tab autocompletion

[AgustinSilverfin]

Fixes #216

Description

The goal is to provide tab autocompletions for silverfin command in the terminal. It should auto complete command names, flag names for that specific command, and template names from the current directory.

Testing Instructions

Steps:

1. Run silverfin config --set-autocompletion
2. Follow the instructions, adding the source line in your ~/.zshrc or ~/.bashrc file
3. Source your file to apply changes in your current session (e.g. source ~/.zshrc)
4. Test the auto completion in a template repository.

Some examples:

silverfin <TAB> # it should show all commands
silverin imp<TAB> # it should show relevant commands that start with imp*
silverfin import-reconciliation --<TAB> # it should show you all flags available for import-reconciliation command
silverfin import-reconciliation --handle<TAB> # it should show all RTs in the repo
silverfin import-reconciliation --handle tax_<TAB> # it should show all RTS in the repo that start with tax_*

And always, it should autocomplete when there is only one valid option. Options are display when there are multiple.

Author Checklist

• Skip bumping the CLI version

Reviewer Checklist

• PR has a clear title and description
• Manually tested the changes that the PR introduces
• Changes introduced are covered by tests of acceptable quality

[BenjaminLangenakenSF]

Works as intended for reconciliation_texts and shared_parts 👌
However, for account_templates and export_files (which use the template name), the autocomplete doesn’t seem to work when there’s whitespace between the words?
e.g:

[AgustinSilverfin]

Works as intended for reconciliation_texts and shared_parts 👌 However, for account_templates and export_files (which use the template name), the autocomplete doesn’t seem to work when there’s whitespace between the words? e.g:

Thanks @BenjaminLangenakenSF it should be solved now! could you give it another try? 🙂

[BenjaminLangenakenSF]

Seems the autocomplete now always refers to the repo folders instead of the CLI commands?

[AgustinSilverfin]

Seems the autocomplete now always refers to the repo folders instead of the CLI commands?

I don't have that issue? 🤔 @michieldegezelle maybe you could have a look as well?

[michieldegezelle]

I did a couple of tests, and did have the issue that Benji encountered, so all good.

Couple of remarks:

• If I type silverfin import-reconciliation --handle <TAB>, I get an error:

-> Is this to be expected? The list is probably too long to display, but we might have to avoid the error?

• Shortened options are not autocompleted, can this easily be added (e.g. -h or -t etc.)?

• Seems to be for all 'second' options:

-> Wanted to add the firm here, and got the error. Could be that I am just willing to autocomplete too much

Apart from this, all good! 👍

Michiel has reviewed the changes