feat: phase 2

Newfound motivation

rust/src/liner.rs

@@ -0,0 +1,50 @@
+use tokio::task::JoinSet;
+use anyhow::Result;
+use tokio::fs;
+use crate::util;
+use crate::profile::Profile;
+
+pub async fn line_up(p: &Profile) -> Result<()> {
+    let dir_out = util::profile_dir(&p);
+    log::info!("Preparing {}", dir_out.to_string_lossy());
+
+    let mut futures = JoinSet::new();
+    if dir_out.join("BepInEx").exists() {
+        futures.spawn(fs::remove_dir_all(dir_out.join("BepInEx")));
+    }
+    if dir_out.join("option").exists() {
+        futures.spawn(fs::remove_dir_all(dir_out.join("option")));
+    }
+    while let Some(_) = futures.join_next().await {}
+
+    fs::create_dir_all(dir_out.join("option")).await?;
+
+    log::debug!("--");
+    for m in &p.mods {
+        log::debug!("{}", m.0);
+        let dir_out = util::profile_dir(&p);
+        let (namespace, name) = m.0.split_at(m.0.find("-").expect("Invalid mod definition"));
+        let bpx = util::pkg_dir_of(namespace, &name[1..])
+            .join("app")
+            .join("BepInEx");
+        if bpx.exists() {
+            util::copy_recursive(&bpx, &dir_out.join("BepInEx"))?;
+        }
+
+        let opt = util::pkg_dir_of(namespace, &name[1..]).join("option");
+        if opt.exists() {
+            let x = opt.read_dir().unwrap().next().unwrap()?;
+            if x.metadata()?.is_dir() {
+                fs::symlink(&x.path(), &dir_out.join("option").join(x.file_name())).await?;
+            }
+        }
+    }
+    log::debug!("--");
+
+    for opt in p.path.join("option").read_dir()? {
+        let opt = opt?;
+        fs::symlink(&opt.path(), &dir_out.join("option").join(opt.file_name())).await?;
+    }
+
+    Ok(())
+}