Function list 

pub fn list(
    source: &Source,
    root: &Utf8Path,
    pin: Option<&Oid>,
    cache: &Cache,
) -> Result<Listing>

The profiles source holds, read with root as the target’s root: at pin if given, else at what its ref names now.

Errors

• Error::Source, the source cannot be read.
• Error::Parse or ProfileError, a manifest is not valid.