treewide: migrate to multi-crate layout

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I11a2103f3530f07409177404577b90136a6a6964

Cargo.lock

@@ -2886,6 +2886,16 @@ dependencies = [
 [[package]]
 name = "pakker"
 version = "1.0.2"
+dependencies = [
+ "git2",
+ "pakker-cli",
+ "tempfile",
+ "tokio",
+]
+
+[[package]]
+name = "pakker-cli"
+version = "1.0.2"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -2902,6 +2912,42 @@ dependencies = [
  "libc",
  "log",
  "md-5",
+ "pakker-core",
+ "rand 0.10.1",
+ "regex",
+ "reqwest",
+ "semver",
+ "serde",
+ "serde_json",
+ "sha1",
+ "sha2 0.11.0",
+ "strsim",
+ "tempfile",
+ "textwrap",
+ "thiserror 2.0.18",
+ "tokio",
+ "walkdir",
+ "yansi",
+ "zip",
+]
+
+[[package]]
+name = "pakker-core"
+version = "1.0.2"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "comfy-table",
+ "dialoguer",
+ "futures",
+ "git2",
+ "glob",
+ "indicatif",
+ "keyring",
+ "keyring-core",
+ "libc",
+ "log",
+ "md-5",
  "mockito",
  "rand 0.10.1",
  "regex",

Cargo.toml

@@ -1,53 +1,52 @@
-[package]
-name         = "pakker"
-version      = "1.0.2"
-edition      = "2024"
-authors      = [ "NotAShelf <raf@notashelf.dev>" ]
-description  = "A fast, reliable multiplatform modpack manager for Minecraft"
-keywords     = [ "minecraft", "modpack", "modrinth", "curseforge", "package-manager" ]
+[workspace]
+members  = [ "crates/*", "pakker" ]
+resolver = "3"
+
+[workspace.package]
 categories   = [ "command-line-utilities", "games" ]
+edition      = "2024"
+keywords     = [ "minecraft", "modpack", "modrinth", "curseforge", "package-manager" ]
 rust-version = "1.94.0"
-readme       = true
+version      = "1.0.2"
 
+[workspace.dependencies]
+pakker-cli  = { path = "./crates/pakker-cli" }
+pakker-core = { path = "./crates/pakker-core" }
 
-[dependencies]
-anyhow      = "1.0.102"
-async-trait = "0.1.89"
-clap        = { version = "4.6.1", features = [ "derive" ] }
-comfy-table = "7.2.2"
-dialoguer   = "0.12.0"
-env_logger  = "0.11.10"
-futures     = "0.3.32"
-git2        = "0.20.4"
-glob        = "0.3.3"
-indicatif   = "0.18.4"
+anyhow       = "1.0.102"
+async-trait  = "0.1.89"
+clap         = { version = "4.6.1", features = [ "derive" ] }
+comfy-table  = "7.2.2"
+dialoguer    = "0.12.0"
+env_logger   = "0.11.10"
+futures      = "0.3.32"
+git2         = "0.20.4"
+glob         = "0.3.3"
+indicatif    = "0.18.4"
 keyring      = "4.0.0"
 keyring-core = "1.0.0"
-libc        = "0.2.186"
-log         = "0.4.29"
-md-5        = "0.11.0"
-rand        = "0.10.1"
-regex       = "1.12.3"
-reqwest     = { version = "0.13.3", features = [ "json" ] }
-semver      = "1.0.28"
-serde       = { version = "1.0.228", features = [ "derive" ] }
-serde_json  = "1.0.149"
-sha1        = "0.11.0"
-sha2        = "0.11.0"
-strsim      = "0.11.1"
-tempfile    = "3.27.0"
-textwrap    = "0.16.2"
-thiserror   = "2.0.18"
-tokio       = { version = "1.52.1", features = [ "full" ] }
-walkdir     = "2.5.0"
-yansi       = "1.0.1"
-zip         = "8.6.0"
+libc         = "0.2.186"
+log          = "0.4.29"
+md-5         = "0.11.0"
+mockito      = "1.7.2"
+rand         = "0.10.1"
+regex        = "1.12.3"
+reqwest      = { version = "0.13.3", features = [ "json" ] }
+semver       = "1.0.28"
+serde        = { version = "1.0.228", features = [ "derive" ] }
+serde_json   = "1.0.149"
+sha1         = "0.11.0"
+sha2         = "0.11.0"
+strsim       = "0.11.1"
+tempfile     = "3.27.0"
+textwrap     = "0.16.2"
+thiserror    = "2.0.18"
+tokio        = { version = "1.52.1", features = [ "full" ] }
+walkdir      = "2.5.0"
+yansi        = "1.0.1"
+zip          = "8.6.0"
 
-[dev-dependencies]
-mockito  = "1.7.2"
-tempfile = "3.27.0"
-
-[lints.clippy]
+[workspace.lints.clippy]
 cargo      = { level = "warn", priority = -1 }
 complexity = { level = "warn", priority = -1 }
 nursery    = { level = "warn", priority = -1 }

crates/pakker-cli/Cargo.toml

@@ -0,0 +1,47 @@
+[package]
+name                   = "pakker-cli"
+version.workspace      = true
+edition.workspace      = true
+description            = "CLI library for Pakker"
+keywords.workspace     = true
+categories.workspace   = true
+rust-version.workspace = true
+readme                 = "../../docs/README.md"
+
+[dependencies]
+pakker-core.workspace = true
+
+anyhow.workspace       = true
+async-trait.workspace  = true
+clap.workspace         = true
+comfy-table.workspace  = true
+dialoguer.workspace    = true
+env_logger.workspace   = true
+futures.workspace      = true
+git2.workspace         = true
+glob.workspace         = true
+indicatif.workspace    = true
+keyring.workspace      = true
+keyring-core.workspace = true
+libc.workspace         = true
+log.workspace          = true
+md-5.workspace         = true
+rand.workspace         = true
+regex.workspace        = true
+reqwest.workspace      = true
+semver.workspace       = true
+serde.workspace        = true
+serde_json.workspace   = true
+sha1.workspace         = true
+sha2.workspace         = true
+strsim.workspace       = true
+tempfile.workspace     = true
+textwrap.workspace     = true
+thiserror.workspace    = true
+tokio.workspace        = true
+walkdir.workspace      = true
+yansi.workspace        = true
+zip.workspace          = true
+
+[lints]
+workspace = true

crates/pakker-cli/src/lib.rs

@@ -7,28 +7,20 @@
   reason = "license and repository not yet configured"
 )]
 
-mod cli;
-mod error;
-mod export;
-mod fetch;
-mod git;
-mod http;
-mod ipc;
-mod model;
-mod platform;
-mod rate_limiter;
-mod resolver;
-mod ui_utils;
-mod utils;
-
 use std::{env, path::PathBuf};
 
 use clap::Parser;
+
+pub mod cli;
+
+pub use pakker_core::{
+  error, export, fetch, git, http, ipc, model, platform, rate_limiter, resolver,
+  ui_utils, utils,
+};
+
 use cli::{Cli, Commands};
 use error::PakkerError;
 
-/// Search for pakker-lock.json in current directory and parent directories
-/// Returns the directory containing pakker-lock.json, or None if not found
 fn find_working_directory() -> Option<PathBuf> {
   let mut current_dir = env::current_dir().ok()?;
 
@@ -38,24 +30,20 @@ fn find_working_directory() -> Option<PathBuf> {
       return Some(current_dir);
     }
 
-    // Try parent directory
     if !current_dir.pop() {
-      // Reached filesystem root
       return None;
     }
   }
 }
 
-#[tokio::main]
-async fn main() -> Result<(), PakkerError> {
+pub async fn run() -> Result<(), PakkerError> {
   let cli = Cli::parse();
 
-  // Initialize logging based on verbosity level
   let log_level = match cli.verbose {
-    0 => "warn",  // Default: only warnings and errors
-    1 => "info",  // -v: info level
-    2 => "debug", // -vv: debug level
-    _ => "trace", // -vvv+: trace level (most verbose)
+    0 => "warn",
+    1 => "info",
+    2 => "debug",
+    _ => "trace",
   };
 
   env_logger::Builder::from_env(
@@ -65,17 +53,14 @@ async fn main() -> Result<(), PakkerError> {
   .format_module_path(false)
   .init();
 
-  // Initialize the platform keyring store so credential commands work.
   if let Err(e) = keyring::use_native_store(false) {
     log::warn!("Failed to initialize platform keyring store: {e}");
   }
 
-  // Search for pakker-lock.json in current directory and parent directories
   let working_dir =
     find_working_directory().unwrap_or_else(|| PathBuf::from("."));
   let lockfile_path = working_dir.join("pakker-lock.json");
   let config_path = working_dir.join("pakker.json");
-
   let global_yes = cli.yes;
 
   match cli.command {

crates/pakker-core/Cargo.toml

@@ -0,0 +1,47 @@
+[package]
+name                   = "pakker-core"
+version.workspace      = true
+edition.workspace      = true
+description            = "Core library for Pakker"
+keywords.workspace     = true
+categories.workspace   = true
+rust-version.workspace = true
+readme                 = "../../docs/README.md"
+
+[dependencies]
+anyhow.workspace       = true
+async-trait.workspace  = true
+comfy-table.workspace  = true
+dialoguer.workspace    = true
+futures.workspace      = true
+git2.workspace         = true
+glob.workspace         = true
+indicatif.workspace    = true
+keyring.workspace      = true
+keyring-core.workspace = true
+libc.workspace         = true
+log.workspace          = true
+md-5.workspace         = true
+rand.workspace         = true
+regex.workspace        = true
+reqwest.workspace      = true
+semver.workspace       = true
+serde.workspace        = true
+serde_json.workspace   = true
+sha1.workspace         = true
+sha2.workspace         = true
+strsim.workspace       = true
+tempfile.workspace     = true
+textwrap.workspace     = true
+thiserror.workspace    = true
+tokio.workspace        = true
+walkdir.workspace      = true
+yansi.workspace        = true
+zip.workspace          = true
+
+[dev-dependencies]
+mockito.workspace  = true
+tempfile.workspace = true
+
+[lints]
+workspace = true

crates/pakker-core/src/error.rs

@@ -10,10 +10,11 @@ pub enum ErrorSeverity {
   /// Fatal error - operation cannot continue
   #[default]
   Error,
+
   /// Warning - operation can continue but may have issues
   Warning,
+
   /// Info - informational message
-  #[expect(dead_code, reason = "reserved for future use")]
   Info,
 }
 

crates/pakker-core/src/lib.rs

@@ -0,0 +1,21 @@
+#![expect(
+  clippy::multiple_crate_versions,
+  reason = "transitive dependency version conflicts from upstream crates"
+)]
+#![expect(
+  clippy::cargo_common_metadata,
+  reason = "license and repository not yet configured"
+)]
+
+pub mod error;
+pub mod export;
+pub mod fetch;
+pub mod git;
+pub mod http;
+pub mod ipc;
+pub mod model;
+pub mod platform;
+pub mod rate_limiter;
+pub mod resolver;
+pub mod ui_utils;
+pub mod utils;

pakker/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name                   = "pakker"
+version.workspace      = true
+edition.workspace      = true
+description            = "A fast, reliable multiplatform modpack manager for Minecraft"
+keywords.workspace     = true
+categories.workspace   = true
+rust-version.workspace = true
+readme                 = "../docs/README.md"
+
+[dependencies]
+pakker-cli.workspace = true
+
+tokio.workspace = true
+
+[dev-dependencies]
+git2.workspace     = true
+tempfile.workspace = true
+
+[lints]
+workspace = true

pakker/src/main.rs

@@ -0,0 +1,6 @@
+use pakker_cli::error::PakkerError;
+
+#[tokio::main]
+async fn main() -> Result<(), PakkerError> {
+  pakker_cli::run().await
+}

pakker/tests/common/mod.rs

@@ -4,7 +4,9 @@ use git2::{Repository, Signature};
 
 pub fn pakker_bin_path() -> PathBuf {
   let manifest = env!("CARGO_MANIFEST_DIR");
-  PathBuf::from(manifest).join("target/debug/pakker")
+  PathBuf::from(manifest)
+    .join("..")
+    .join("target/debug/pakker")
 }
 
 pub fn init_bare_repo(path: &PathBuf) -> Result<Repository, git2::Error> {