added log lines

src/basic_types.rs

@@ -1,3 +1,4 @@
+use log::trace;
 use serde::{Deserialize, Serialize};
 use std::{
     error::Error,
@@ -30,6 +31,11 @@ pub struct RootConfig {
 
 impl RootConfig {
     pub fn load_from_file(path: impl AsRef<Path>) -> Result<Self, Box<dyn Error>> {
+        trace!(
+            "Loading RootConfig from file: {}",
+            path.as_ref().to_string_lossy()
+        );
+
         let data = read_to_string(path)?;
         let config = toml::from_str(&data)?;
 
@@ -111,6 +117,11 @@ impl ModdedInstance {
     }
 
     pub fn load_from_file(path: impl AsRef<Path>) -> Result<Self, Box<dyn Error>> {
+        trace!(
+            "Loading ModdedInstance from file: {}",
+            path.as_ref().to_string_lossy()
+        );
+
         let data = read_to_string(path)?;
         let config = toml::from_str(&data)?;
 
@@ -118,6 +129,11 @@ impl ModdedInstance {
     }
 
     pub fn save_to_file(&self, path: impl AsRef<Path>) -> Result<(), Box<dyn Error>> {
+        trace!(
+            "Saving ModdedInstance to: {}",
+            path.as_ref().to_string_lossy()
+        );
+
         let content = toml::to_string_pretty(self)?;
         let mut file = fs::File::create(path)?;
         write!(file, "{}", content)?;
@@ -125,6 +141,8 @@ impl ModdedInstance {
     }
 
     pub fn add_mod(&mut self, from_mod: &ModConfig, priority: isize, files: &[ModFile]) {
+        trace!("Adding mod to instance");
+
         let mut new_mod = InstalledMod::new(from_mod, priority);
         let mut solver = ConflictSolver::new();
 
@@ -137,10 +155,12 @@ impl ModdedInstance {
             }
         }
 
+        trace!("Adding already present files to confict solver");
         for (present_file, present_mod) in &already_installed_files {
             solver.add_file_unchecked(present_file, present_mod);
         }
 
+        trace!("Adding file from mod to confict solver");
         // Now add the new files and check for conflicts
         for file in files {
             if let Some(conflict) = solver.add_file(file, &new_mod) {
@@ -150,6 +170,7 @@ impl ModdedInstance {
             }
         }
 
+        trace!("No conflicts where found");
         // No conflicts. Add files.
         for file in files {
             new_mod.add_file(file);