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Add command line option for config file

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Michael Zhang 2021-02-12 10:04:41 -06:00
parent d21a66d887
commit 2acdda99ac
Signed by: michael
GPG key ID: BDA47A31A3C8EE6B
1 changed files with 9 additions and 1 deletions
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10
src/main.rs
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@ -27,6 +27,10 @@ type ExitSender = oneshot::Sender<()>;
#[derive(Debug, StructOpt)] #[derive(Debug, StructOpt)]
#[structopt(author, about)] #[structopt(author, about)]
struct Opt { struct Opt {
/// Config file
#[structopt(long = "config-file", short = "c")]
config_path: Option<PathBuf>,
/// The path to the log file. By default, does not log. /// The path to the log file. By default, does not log.
#[structopt(long = "log-file")] #[structopt(long = "log-file")]
log_file: Option<PathBuf>, log_file: Option<PathBuf>,
@ -39,7 +43,11 @@ async fn main() -> Result<()> {
setup_logger(&opt)?; setup_logger(&opt)?;
let config: Config = { let config: Config = {
let mut config_file = File::open("config.toml")?; let config_path = opt
.config_path
.clone()
.unwrap_or_else(|| "config.toml".into());
let mut config_file = File::open(config_path)?;
let mut contents = Vec::new(); let mut contents = Vec::new();
config_file.read_to_end(&mut contents)?; config_file.read_to_end(&mut contents)?;
toml::from_slice(&contents)? toml::from_slice(&contents)?