Method get_branches_for_chain

src/chain.rs:43–77

(
        git_chain: &GitChain,
        chain_name: &str,
    )

    }

    fn get_branches_for_chain(
        git_chain: &GitChain,
        chain_name: &str,
    ) -> Result<Vec<Branch>, Error> {
        let key_regex = Regex::new(r"^branch\.(?P<branch_name>.+)\.chain-name$".trim()).unwrap();
        let mut branches: Vec<Branch> = vec![];

        let entries = Chain::get_all_branch_configs(git_chain)?;
        for (key, value) in entries {
            if value != chain_name {
                continue;
            }

            let captures = key_regex.captures(&key).unwrap();
            let branch_name = &captures["branch_name"];

            let results = Branch::get_branch_with_chain(git_chain, branch_name)?;

            match results {
                BranchSearchResult::NotPartOfAnyChain => {
                    // TODO: could this fail silently?
                    eprintln!(
                        "Branch not correctly set up as part of a chain: {}",
                        branch_name.bold()
                    );
                    process::exit(1);
                }
                BranchSearchResult::Branch(branch) => {
                    branches.push(branch);
                }
            };
        }

        Ok(branches)
    }

    pub fn chain_exists(git_chain: &GitChain, chain_name: &str) -> Result<bool, Error> {
        let branches = Chain::get_branches_for_chain(git_chain, chain_name)?;