add help text

1 files changed, 17 insertions, 0 deletions

diff --git a/src/cli.rs b/src/cli.rs
index 009397d..e0b745d 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -5,6 +5,7 @@ use std::default::Default;
 use std::path::PathBuf;
 
 pub struct Config {
+    pub help: bool,
     pub port: u16,
     pub db_path: PathBuf,
 }
@@ -12,6 +13,7 @@ pub struct Config {
 impl Default for Config {
     fn default() -> Self {
         Config {
+            help: false,
             port: 3000,
             db_path: "./urls.db_3".into(),
         }
@@ -22,9 +24,24 @@ lazy_static! {
     pub static ref CONFIG: Config = parse_args().unwrap_or(Default::default());
 }
 
+pub static HELP_TEXT: &'static str = "
+Usage
+-----
+
+hedge [-h | --help] [--port <number>] [--database <path>]
+
+Options
+-------
+
+    -h, --help       Prints help information
+        --port       Port to start the server on (default: 3000)
+        --database   Path to database (default: urls.db_3)
+";
+
 fn parse_args() -> Result<Config> {
     let mut _a = pico_args::Arguments::from_env();
     return Ok(Config {
+        help: _a.contains(["-h", "--help"]),
         port: _a
             .opt_value_from_fn("--port", str::parse::<u16>)?
             .unwrap_or(7878),