Implement CLI arguments

Going with custom CLI parsing for minimalism and flexibility.

Closes: #228

.github/workflows/ci.yml

@@ -48,6 +48,9 @@ jobs:
           override: true
       # These dependencies are required for `clipboard`
       - run: sudo apt-get install -y -qq libxcb1-dev libxcb-render0-dev libxcb-shape0-dev libxcb-xfixes0-dev
+      - uses: actions-rs/cargo@v1
+        with:
+          command: build
       - uses: actions-rs/cargo@v1
         with:
           command: test

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "xplr"
-version = "0.13.6"  # Update lua.rs
+version = "0.13.7"  # Update lua.rs
 authors = ["Arijit Basu <sayanarijit@gmail.com>"]
 edition = "2018"
 description = "A hackable, minimal, fast TUI file explorer"
@@ -14,6 +14,9 @@ categories = ["command-line-interface", "command-line-utilities"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[[bin]]
+name = "xplr"
+
 [dependencies]
 tui = { version = "0.15.0", default-features = false, features = ['crossterm', 'serde'] }
 termion = "1.5.6"
@@ -34,6 +37,7 @@ libc = "0.2.95"
 
 [dev-dependencies]
 criterion = "0.3"
+assert_cmd = "1.0"
 
 [[bench]]
 name = "criterion"

examples/run.rs

@@ -1,6 +1,6 @@
 fn main() {
     let pwd = std::path::PathBuf::from("/");
-    match xplr::run(pwd, None) {
+    match xplr::run(pwd, None, None) {
         Ok(Some(out)) => print!("{}", out),
         Ok(None) => {}
         Err(err) => {

src/app.rs

@@ -2803,8 +2803,17 @@ impl App {
 }
 
 /// Run xplr TUI
-pub fn run(pwd: PathBuf, focused_path: Option<PathBuf>) -> Result<Option<String>> {
+pub fn run(
+    pwd: PathBuf,
+    focused_path: Option<PathBuf>,
+    on_load: Option<Vec<ExternalMsg>>,
+) -> Result<Option<String>> {
     let lua = mlua::Lua::new();
-    let app = App::create(pwd, &lua)?;
+    let mut app = App::create(pwd, &lua)?;
+    if let Some(msgs) = on_load {
+        for msg in msgs {
+            app = app.enqueue(Task::new(MsgIn::External(msg), None));
+        }
+    }
     app.run(focused_path, &lua)
 }