Create mods dir if it doesn't exist and add context to errors when copying files

TODO.md

@@ -2,7 +2,23 @@
 
 This is a rather unorganised list of TODOs just so I can somewhat keep track of my plans without forgetting things.
 
-## Plans for version 0.2.0
+## Plans for version 0.3.0
+
+### Important
+
+- [ ] Concurrent mod downloads to speed up profile installation/updates.
+
+### Nice to haves
+
+- [ ] Concurrent mod metadata downloads to speed up running the `update` command.
+- [ ] Allow for overriding file types for file merge apply policies rather than relying on the file extension
+- [ ] Support resource and shaderpack installs rather than just mods.
+- [ ] Get mmm working properly on `wayland` with Nix.
+- [ ] Get cross-compilation to Windows working with the mingw toolchain.
+- [ ] Preserve formatting as much as possible when merging files
+
+
+## Done in version 0.2.0
 
 ### Important
 
@@ -17,7 +33,7 @@ This is a rather unorganised list of TODOs just so I can somewhat keep track of
 
     merge (retaining original/modified values) merge should result in an install dir with A and B, where a.json and b.json are in A, and a.json is the result of merging a.json into the installed a.json (retaining the existing values from the file in the install dir), and the original files in folder B untouched (x.json and y.json)
 - [X] Test the merge apply policies when I am not half asleep. (nevermind, I tested while half asleep and seems good to me)
-- [ ] Show package version somewhere in `mmm`
+- [X] Show package version somewhere in `mmm`
 - [X] Save userdata after removing profiles with the remove command
 
 ### Nice to haves

mcmpmgr/src/modpack.rs

@@ -249,7 +249,9 @@ impl ModpackMeta {
                         }
                     }
                 }
-                self.copy_files(&source_path, &target_path, file_meta.apply_policy.clone())?;
+                self.copy_files(&source_path, &target_path, file_meta.apply_policy.clone()).with_context(
+                    || format!("Syncing {} -> {}", source_path.display(), target_path.display())
+                )?;
             }
         }
         Ok(())

mcmpmgr/src/resolver.rs

@@ -38,6 +38,7 @@ impl PinnedPackMeta {
         mods_dir: &PathBuf,
         download_side: DownloadSide,
     ) -> Result<()> {
+        let _ = std::fs::create_dir_all(mods_dir);
         let files = std::fs::read_dir(mods_dir)?;
         let mut pinned_files_cache = BTreeSet::new();
         for file in files.into_iter() {