1 files changed, 79 insertions, 0 deletions
diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..500a901
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,79 @@
+use clap::{App, Arg};
+use colored::Colorize;
+use std::{
+    env,
+    fs::File,
+    path::{Path, PathBuf},
+};
+
+pub struct Paths {
+    pub config: File,
+    pub data: PathBuf,
+}
+
+/// Initialise the application by getting valid path options
+pub fn init() -> Paths {
+    let app = App::new("webgit")
+        .about("The friendly and simple git web frontend")
+        .version("0.0.0")
+        .arg(
+            Arg::with_name("CONFIG")
+                .short("c")
+                .long("config")
+                .takes_value(true)
+                .help(
+                    "Provide the path to the system configuration. Alternatively \
+                     set WEBGIT_CONFIG_PATH in your env",
+                ),
+        )
+        .arg(
+            Arg::with_name("DATA_DIR")
+                .short("d")
+                .long("data-dir")
+                .takes_value(true)
+                .help(
+                    "Specify where webgit should save git repositories. Alternatively \
+                     set WEBGIT_DATA_DIR in your env",
+                ),
+        );
+
+    let matches = app.get_matches();
+
+    Paths {
+        config: File::open(
+            env::var_os("WEBGIT_CONFIG_PATH")
+                .map(|os| match os.into_string() {
+                    Ok(p) => p.to_owned(),
+                    Err(_) => {
+                        eprintln!("{}: Failed to parse provided config path!", "Error:".red());
+                        std::process::exit(2);
+                    }
+                })
+                .unwrap_or_else(|| match matches.value_of("CONFIG") {
+                    Some(p) => p.to_owned(),
+                    None => {
+                        eprintln!("{}: No config provided!", "Error:".red());
+                        std::process::exit(2);
+                    }
+                }),
+        )
+        .expect(&format!("{}: Config file not found!", "Error:".red())),
+        data: Path::new(
+            &env::var_os("WEBGIT_DATA_DIR")
+                .map(|os| {
+                    os.into_string().expect(&format!(
+                        "{}: Failed to parse provided data-dir path!",
+                        "Error".red()
+                    ))
+                })
+                .unwrap_or_else(|| match matches.value_of("CONFIG") {
+                    Some(p) => p.to_owned(),
+                    None => {
+                        eprintln!("{}: No data dir provided!", "Error:".red());
+                        std::process::exit(2);
+                    }
+                }),
+        )
+        .into(),
+    }
+}