Re: [PATCH v2 0/5] Allow 'reset --quiet' to refresh the index, use 'reset --quiet' in 'stash'

> In the process of working on tests for 'git stash' sparse index integration,
> I found that the '--quiet' option in 'git stash' does not suppress all
> non-error output when used with '--index'. Specifically, this comes from an
> invocation of 'git reset' without the '--quiet' flag in 'reset_head()'. Upon
> enabling that flag, though, I discovered that 1) 'reset' does not refresh
> the index if '--quiet' is specified (as of [1]) and 2) 'git stash' needs the
> index to be refreshed after the reset.
>
> This series aims to decouple the "suppress logging" and "skip index refresh"
> behaviors in 'git reset --mixed', then allow 'stash' to internally use reset
> with logs suppressed but index refresh enabled. This is accomplished by
> introducing the '--[no-]refresh' option and 'reset.refresh' config setting
> to 'git reset'. Additionally, in the spirit of backward-compatibility,
> '--quiet' and/or 'reset.quiet=true' without any specified "refresh"
> option/config will continue to skip 'refresh_index(...)'.
>
> There are also some minor updates to the advice that suggests skipping the
> index refresh:
>
>  * replace recommendation to use "--quiet" with "--no-refresh"
>  * use 'advise()' rather than 'printf()'
>  * rename the advice config setting from 'advice.resetQuiet' to to
>    'advice.resetNoRefresh'
>  * suppress advice if '--quiet' is specified in 'reset'
>
> Finally, tests are added to 't7102-reset.sh' verifying whether index refresh
> happens when expected and to 't3903-stash.sh' verifying that 'apply --quiet'
> no longer prints extraneous logs.