gcd-cli 1.2.0

gcd-cli tools for managing and using GCD. GCD stands for GitChangeDirectory, as it primary goal is to quickly change between git project folders.
Documentation 
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use std::path::MAIN_SEPARATOR;
use std::fs::create_dir_all;
use std::env::var;
use anyhow::Result;

pub struct Config {
    database_file: String,
    script_file: String,
    projects_dir: String,
}
impl Config {
    pub fn database_file(&self) -> String {
        self.database_file.clone()
    }

    pub fn script_file(&self) -> String {
        self.script_file.clone()
    }

    pub fn projects_dir(&self) -> String {
        self.projects_dir.clone()
    }
}

#[cfg(unix)]
impl Config {
    pub fn new() -> Result<Self> {
        let home = var("HOME")?;
        create_dir_all(home.clone())?;
        Ok(Config {
            database_file: format!("{}{}.gcd{}gcd.db", home, MAIN_SEPARATOR, MAIN_SEPARATOR),
            script_file: format!("{}{}.gcd{}gcd-cd.sh", home, MAIN_SEPARATOR, MAIN_SEPARATOR),
            projects_dir: format!("{}{}", home, MAIN_SEPARATOR),
        })
    }
}

#[cfg(windows)]
impl Config {
    pub fn new() -> Result<Self> {
        let appdata = var("APPDATA")?;
        let home = format!(
            "{}{}",
            var("HOMEDRIVE")?,
            var("HOMEPATH")?
        );
        create_dir_all(appdata.clone())?;
        Ok(Config {
            database_file: format!("{}{}.gcd{}gcd.db", appdata, MAIN_SEPARATOR, MAIN_SEPARATOR),
            script_file: format!(
                "{}{}.gcd{}gcd-cd.bat",
                appdata, MAIN_SEPARATOR, MAIN_SEPARATOR
            ),
            projects_dir: format!("{}{}", home, MAIN_SEPARATOR),
        })
    }
}

#[cfg(test)]
mod test {
    use std::env::set_var;
    use super::*;

    #[cfg(unix)]
    #[test]
    fn test_config() {
        set_var("HOME", "target/tmp/testhome");
        let config = Config::new().unwrap();

        assert_eq!(config.database_file(), "target/tmp/testhome/.gcd/gcd.db");
        assert_eq!(config.script_file(), "target/tmp/testhome/.gcd/gcd-cd.sh");
        assert_eq!(config.projects_dir(), "target/tmp/testhome/");
    }

    #[cfg(windows)]
    #[test]
    fn test_config() {
        set_var("APPDATA", "target\\tmp\\appdata");
        set_var("HOMEDRIVE", "c:\\");
        set_var("HOMEPATH", "home");

        let config = Config::new().unwrap();

        assert_eq!(config.database_file(), "target\\tmp\\appdata\\.gcd\\gcd.db");
        assert_eq!(config.script_file(), "target\\tmp\\appdata\\.gcd\\gcd-cd.bat");
        assert_eq!(config.projects_dir(), "c:\\home\\");

    }
}