commit 6d684d1c56f5ff14f07ff3dc0c2c9e8dafad0098
Author: Andy Khramtsov <>
Date: Sat, 7 Feb 2026 01:53:13 +0300
feat: init
Diffstat:
15 files changed, 2117 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
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diff --git a/Cargo.lock b/Cargo.lock
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+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "winnow"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a5364e9d77fcdeeaa6062ced926ee3381faa2ee02d3eb83a5c27a8825540829"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "wit-bindgen"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+
+[[package]]
+name = "yaml-rust2"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2462ea039c445496d8793d052e13787f2b90e750b833afee748e601c17621ed9"
+dependencies = [
+ "arraydeque",
+ "encoding_rs",
+ "hashlink",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+
+[[package]]
+name = "zmij"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fc5a66a20078bf1251bde995aa2fdcc4b800c70b5d92dd2c62abc5c60f679f8"
diff --git a/Cargo.toml b/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "jannie"
+version = "0.0.0"
+edition = "2024"
+
+[dependencies]
+clap = { version = "4.5.54", features = ["derive"] }
+config = "0.15.19"
+dialoguer = "0.12.0"
+indexmap = "2.13.0"
+serde = { version = "1.0.228", features = ["derive"] }
+test-log = { version = "0.2.19", features = ["trace"] }
+thiserror = "2.0.17"
+tokio = { version = "1.49.0", features = ["rt-multi-thread", "fs"] }
+tracing = "0.1.44"
+tracing-appender = "0.2.4"
+tracing-subscriber = { version = "0.3.22", features = ["json"] }
+uuid = { version = "1.20.0", features = ["v4"] }
diff --git a/config.yaml b/config.yaml
@@ -0,0 +1,19 @@
+logging:
+ file:
+ level: trace
+ directory: log
+ prefix: jannie
+
+root: /home/andy
+
+filters:
+ - path: my-space/projects/python
+ type: whitelist
+ - path: my-space/projects/python/sound
+ type: blacklist
+ - path: my-space/projects/rust
+ type: whitelist
+ - path: my-space/projects/rust/jannie
+ type: blacklist
+ - path: my-space/projects/rust/jannie/log
+ type: whitelist
diff --git a/inventory.json b/inventory.json
diff --git a/justfile b/justfile
@@ -0,0 +1,8 @@
+set quiet := true
+
+default:
+ just --list
+
+# Nextest all workspace packages
+test:
+ RUST_LOG=trace cargo nextest run --workspace --no-fail-fast
diff --git a/src/args.rs b/src/args.rs
@@ -0,0 +1,8 @@
+use std::path::PathBuf;
+
+#[derive(clap::Parser, Debug)]
+pub struct Args {
+ /// Configuration and inventory
+ #[arg(short, long, default_value = ".")]
+ pub dir: PathBuf,
+}
diff --git a/src/config/logging.rs b/src/config/logging.rs
@@ -0,0 +1,103 @@
+use std::path::PathBuf;
+
+use tracing::Level;
+
+#[derive(Clone, Debug, Default, serde::Deserialize)]
+pub struct LoggingConfig {
+ #[serde(default)]
+ pub file: Option<FileConfig>,
+}
+
+#[derive(Clone, Debug, serde::Deserialize)]
+pub struct FileConfig {
+ pub directory: PathBuf,
+ pub prefix: String,
+ #[serde(flatten)]
+ pub subscriber: SubscriberConfig,
+}
+
+#[derive(Clone, Debug, serde::Deserialize)]
+pub struct SubscriberConfig {
+ #[serde(default)]
+ pub format: LogFormat,
+ #[serde(default)]
+ pub level: LogLevel,
+ #[serde(default)]
+ pub target_filters: Vec<TargetFilter>,
+ #[serde(default = "SubscriberConfig::default_ansi")]
+ pub ansi: bool,
+ #[serde(default = "SubscriberConfig::default_target")]
+ pub target: bool,
+ #[serde(default = "SubscriberConfig::default_file_path")]
+ pub file_path: bool,
+ #[serde(default = "SubscriberConfig::default_line_number")]
+ pub line_number: bool,
+}
+
+impl SubscriberConfig {
+ pub fn default_ansi() -> bool {
+ false
+ }
+
+ pub fn default_target() -> bool {
+ true
+ }
+
+ pub fn default_file_path() -> bool {
+ false
+ }
+
+ pub fn default_line_number() -> bool {
+ false
+ }
+}
+
+#[derive(Clone, Debug, serde::Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub struct TargetFilter {
+ #[serde(default)]
+ #[serde(rename = "type")]
+ pub filter_type: TargetFilterType,
+ pub pattern: String,
+}
+
+#[derive(Clone, Debug, Copy, Default, serde::Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum TargetFilterType {
+ #[default]
+ Whitelist,
+ Blacklist,
+}
+
+#[derive(Clone, Debug, Copy, Default, serde::Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum LogFormat {
+ #[default]
+ Plain,
+ Json,
+}
+
+#[derive(Clone, Debug, Copy, Default, serde::Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum LogLevel {
+ #[default]
+ Off,
+ Error,
+ Warn,
+ Info,
+ Debug,
+ Trace,
+}
+
+impl From<LogLevel> for Option<Level> {
+ fn from(value: LogLevel) -> Self {
+ match value {
+ LogLevel::Off => None,
+ LogLevel::Error => Some(Level::ERROR),
+ LogLevel::Warn => Some(Level::WARN),
+ LogLevel::Info => Some(Level::INFO),
+ LogLevel::Debug => Some(Level::DEBUG),
+ LogLevel::Trace => Some(Level::TRACE),
+ }
+ }
+}
diff --git a/src/config/mod.rs b/src/config/mod.rs
@@ -0,0 +1,63 @@
+use std::path::{Path, PathBuf};
+
+pub mod logging;
+
+#[derive(Clone, Debug, serde::Deserialize)]
+pub struct Config {
+ #[serde(default)]
+ pub logging: logging::LoggingConfig,
+ pub root: PathBuf,
+ #[serde(default)]
+ pub filters: Vec<Filter>,
+}
+
+impl Config {
+ pub fn new(config_path: &Path) -> Result<Self, Error> {
+ let config = config::Config::builder()
+ .add_source(config::File::from(config_path))
+ .build()?;
+ Ok(config.try_deserialize()?)
+ }
+}
+
+#[derive(Clone, Debug, serde::Deserialize)]
+pub struct Filter {
+ pub path: PathBuf,
+ #[serde(default)]
+ #[serde(rename = "type")]
+ pub filter_type: FilterType,
+}
+
+impl Filter {
+ pub fn is_whitelist(&self) -> bool {
+ self.filter_type.is_whitelist()
+ }
+
+ pub fn is_blacklist(&self) -> bool {
+ self.filter_type.is_blacklist()
+ }
+}
+
+#[derive(Clone, Debug, Default, serde::Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum FilterType {
+ #[default]
+ Whitelist,
+ Blacklist,
+}
+
+impl FilterType {
+ pub fn is_whitelist(&self) -> bool {
+ matches!(self, FilterType::Whitelist)
+ }
+
+ pub fn is_blacklist(&self) -> bool {
+ matches!(self, FilterType::Blacklist)
+ }
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+ #[error("Error building config: {0}")]
+ Build(#[from] config::ConfigError),
+}
diff --git a/src/filetree/mod.rs b/src/filetree/mod.rs
@@ -0,0 +1,195 @@
+use std::{
+ cell::{BorrowError, BorrowMutError, RefCell},
+ collections::BTreeMap,
+ path::{Path, PathBuf},
+ rc::Rc,
+};
+
+use indexmap::IndexMap;
+use uuid::Uuid;
+
+use crate::filetree::node::Node;
+
+pub mod node;
+
+pub type NodeRef<M> = Rc<RefCell<Node<M>>>;
+
+pub struct Filetree<M> {
+ nodes: IndexMap<Uuid, NodeRef<M>>,
+ paths: BTreeMap<PathBuf, Uuid>,
+ root: Uuid,
+}
+
+impl<M> Filetree<M> {
+ pub fn new(root: Node<M>) -> Self {
+ // todo: check root better
+ assert!(root.is_leaf());
+ let mut filetree = Filetree {
+ nodes: IndexMap::new(),
+ paths: BTreeMap::new(),
+ root: root.id(),
+ };
+ filetree.insert_node(root, None).unwrap();
+ filetree
+ }
+
+ pub fn root(&self) -> NodeRef<M> {
+ Rc::clone(
+ self.nodes
+ .get(&self.root)
+ .expect("Filetree should have root"),
+ )
+ }
+
+ pub fn nodes(&self) -> impl Iterator<Item = NodeRef<M>> {
+ self.nodes.values().map(Rc::clone)
+ }
+
+ pub fn node(&self, node_id: Uuid) -> Option<NodeRef<M>> {
+ self.nodes.get(&node_id).map(Rc::clone)
+ }
+
+ pub fn node_by_path(&self, path: &Path) -> Option<NodeRef<M>> {
+ self.paths
+ .get(path)
+ .map(|node_id| self.nodes.get(node_id).expect("Filetree should have node"))
+ .map(Rc::clone)
+ }
+}
+
+impl<M> Filetree<M> {
+ pub fn insert(&mut self, node: Node<M>) -> Result<(), Error> {
+ let mut path = node.path().to_owned();
+ tracing::debug!("Trying to add node with path {path:?}");
+ if path.ends_with("..") {
+ return Err(Error::ParentDir);
+ }
+ if path.ends_with(".") {
+ return Err(Error::CurrentDir);
+ }
+ if self.paths.get(&path).is_some() {
+ return Err(Error::NodeExists);
+ }
+ path.pop();
+ tracing::trace!("Searching for node with path {path:?}");
+ if let Some(parent) = self.paths.get(&path).copied() {
+ self.insert_node(node, Some(parent))?;
+ Ok(())
+ } else {
+ Err(Error::MissingPath)
+ }
+ }
+
+ fn insert_node(&mut self, mut node: Node<M>, parent: Option<Uuid>) -> Result<(), Error> {
+ let node_id = node.id();
+ if let Some(parent) = parent {
+ self.nodes
+ .get(&parent)
+ .expect("Should have parent node")
+ .try_borrow_mut()?
+ .add_child(node_id);
+ node.set_parent(parent);
+ } else {
+ node.unset_parent();
+ }
+ self.paths.insert(node.path().to_owned(), node_id);
+ self.nodes.insert(node_id, Rc::new(RefCell::new(node)));
+ Ok(())
+ }
+}
+
+impl<M> Filetree<M> {
+ pub fn print(&self) -> Result<(), Error> {
+ let mut print_buffer = Vec::new();
+ print_buffer.push((0, self.root));
+ while let Some((offset, node_id)) = print_buffer.pop() {
+ let node = self
+ .nodes
+ .get(&node_id)
+ .expect("Shold have the node")
+ .try_borrow()?;
+ println!(
+ "{}| {}",
+ " ".repeat(offset),
+ node.path()
+ .file_name()
+ .map(|name| name.to_str())
+ .flatten()
+ .unwrap_or("UNKNOWN")
+ );
+ print_buffer.extend(node.children().map(|child_id| (offset + 1, child_id)));
+ }
+ Ok(())
+ }
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+ #[error("Error borrowing mutably: {0}")]
+ BorrowMutError(#[from] BorrowMutError),
+ #[error("Error borrowing: {0}")]
+ BorrowError(#[from] BorrowError),
+ #[error("Node already exists in the tree")]
+ NodeExists,
+ #[error("Node extends the path too much, directory does not exist")]
+ MissingPath,
+ #[error("Use of current dir is disallowed")]
+ CurrentDir,
+ #[error("Use of parent dir is disallowed")]
+ ParentDir,
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test_log::test(test)]
+ fn cannot_insert_root() {
+ let root = Node::new("/".into(), ());
+ let mut tree = Filetree::new(root);
+ assert!(dbg!(tree.insert(Node::new("/".into(), ()))).is_err());
+ }
+
+ #[test_log::test(test)]
+ fn cannot_insert_relative() {
+ let root = Node::new("/".into(), ());
+ let mut tree = Filetree::new(root);
+ assert!(dbg!(tree.insert(Node::new("dir".into(), ()))).is_err());
+ }
+
+ #[test_log::test(test)]
+ fn cannot_insert_dots() {
+ let root = Node::new("/".into(), ());
+ let mut tree = Filetree::new(root);
+ assert!(dbg!(tree.insert(Node::new("/.".into(), ()))).is_err());
+ assert!(dbg!(tree.insert(Node::new("/..".into(), ()))).is_err());
+ }
+
+ #[test_log::test(test)]
+ fn insert_one() {
+ let root = Node::new("/".into(), ());
+ let mut tree = Filetree::new(root);
+ assert!(dbg!(tree.insert(Node::new("/dir".into(), ()))).is_ok());
+ }
+
+ #[test_log::test(test)]
+ fn insert_exists() {
+ let root = Node::new("/".into(), ());
+ let mut tree = Filetree::new(root);
+ assert!(dbg!(tree.insert(Node::new("/dir".into(), ()))).is_ok());
+ assert!(dbg!(tree.insert(Node::new("/dir".into(), ()))).is_err());
+ }
+
+ #[test_log::test(test)]
+ fn insert_many() {
+ let root = Node::new("/".into(), ());
+ let mut tree = Filetree::new(root);
+ assert!(dbg!(tree.insert(Node::new("/dir".into(), ()))).is_ok());
+ assert!(dbg!(tree.insert(Node::new("/dir/dir/dir".into(), ()))).is_err());
+ assert!(dbg!(tree.insert(Node::new("/dir/dir".into(), ()))).is_ok());
+ assert!(dbg!(tree.insert(Node::new("/dir/dir".into(), ()))).is_err());
+ assert!(dbg!(tree.insert(Node::new("/dir/dir/dir".into(), ()))).is_ok());
+ assert!(dbg!(tree.insert(Node::new("/dir2".into(), ()))).is_ok());
+ assert!(dbg!(tree.insert(Node::new("/dir3".into(), ()))).is_ok());
+ }
+}
diff --git a/src/filetree/node.rs b/src/filetree/node.rs
@@ -0,0 +1,72 @@
+use std::path::{Path, PathBuf};
+
+use indexmap::IndexSet;
+use uuid::Uuid;
+
+pub struct Node<M> {
+ id: Uuid,
+ path: PathBuf,
+ meta: M,
+ children: IndexSet<Uuid>,
+ parent: Option<Uuid>,
+}
+
+impl<M> Node<M> {
+ pub fn new(path: PathBuf, meta: M) -> Self {
+ Self {
+ id: Uuid::new_v4(),
+ path,
+ meta,
+ children: IndexSet::new(),
+ parent: None,
+ }
+ }
+
+ pub fn id(&self) -> Uuid {
+ self.id
+ }
+
+ pub fn path(&self) -> &Path {
+ &self.path
+ }
+
+ pub fn meta(&self) -> &M {
+ &self.meta
+ }
+
+ pub fn meta_mut(&mut self) -> &mut M {
+ &mut self.meta
+ }
+
+ /// A node is a leaf if it has no children
+ pub fn is_leaf(&self) -> bool {
+ self.children.is_empty()
+ }
+
+ pub fn parent(&self) -> Option<Uuid> {
+ self.parent
+ }
+
+ pub fn children(&self) -> impl Iterator<Item = Uuid> {
+ self.children.iter().copied()
+ }
+
+ pub fn children_vec(&self) -> Vec<Uuid> {
+ self.children.iter().copied().collect()
+ }
+
+ pub fn add_child(&mut self, node_id: Uuid) {
+ self.children.insert(node_id);
+ }
+
+ pub fn set_parent_opt(&mut self, parent_id: Option<Uuid>) {
+ self.parent = parent_id;
+ }
+ pub fn set_parent(&mut self, parent_id: Uuid) {
+ self.parent = Some(parent_id);
+ }
+
+ pub fn unset_parent(&mut self) {
+ self.parent = None;
+ }
+}
diff --git a/src/lib.rs b/src/lib.rs
@@ -0,0 +1,202 @@
+use std::{cell::BorrowError, collections::VecDeque, path::Path};
+
+use clap::Parser;
+
+use crate::{
+ args::Args,
+ config::Config,
+ filetree::{Filetree, node::Node},
+ state::State,
+};
+
+pub mod args;
+pub mod config;
+pub mod filetree;
+pub mod logging;
+pub mod state;
+
+pub fn result_main() -> Result<(), Error> {
+ let args = Args::parse();
+ let config_path = args.dir.join("config.yaml");
+ let config = Config::new(&config_path)?;
+
+ logging::setup_logging(&config.logging)?;
+
+ tracing::debug!("Starting with args: {args:#?}");
+ tracing::debug!("Read config: {config:#?}");
+
+ let state = State::new(&args.dir, config)?;
+
+ state.runtime.block_on(read(&state));
+
+ Ok(())
+}
+
+#[derive(Clone, Debug)]
+struct Meta {
+ blacklist: Option<bool>,
+}
+
+async fn read(state: &State) {
+ let root = Node::new(state.config.root.clone(), Meta { blacklist: None });
+ let mut filetree = Filetree::new(root);
+ let mut buffer = Vec::new();
+
+ buffer.extend(
+ state
+ .config
+ .filters
+ .iter()
+ .filter(|filter| filter.is_whitelist())
+ .map(|filter| {
+ let mut path = state.config.root.clone();
+ path.push(&filter.path);
+ path
+ }),
+ );
+
+ // This makes it so every prefix goes first.
+ buffer.sort();
+
+ let mut buffer = VecDeque::from(buffer);
+
+ while let Some(dir) = buffer.pop_front() {
+ tracing::debug!("Adding {:?} to tree", dir);
+ let mut base = dir.clone();
+ while filetree.node_by_path(&base).is_none() {
+ base.pop();
+ }
+
+ let allowed = allowed(state, &dir);
+
+ if base != dir {
+ let mut suffix = dir.strip_prefix(&base).unwrap().to_owned();
+ suffix.pop();
+
+ for component in suffix.components() {
+ base.push(component);
+ filetree
+ .insert(Node::new(base.clone(), Meta { blacklist: None }))
+ .unwrap();
+ }
+ filetree
+ .insert(Node::new(
+ dir.clone(),
+ Meta {
+ blacklist: Some(!allowed),
+ },
+ ))
+ .unwrap();
+ } else {
+ filetree
+ .node_by_path(&dir)
+ .unwrap()
+ .borrow_mut()
+ .meta_mut()
+ .blacklist = Some(!allowed);
+ }
+
+ if allowed && should_scan(state, &dir).unwrap() {
+ tracing::debug!("Scanning {:?}", dir.file_name());
+ let mut iter = tokio::fs::read_dir(&dir).await.unwrap();
+
+ while let Some(result) = iter.next_entry().await.unwrap() {
+ let path = result.path();
+ buffer.push_back(path)
+ }
+ }
+ }
+
+ print(&filetree).unwrap();
+}
+
+/// Does not check if allowed.
+/// Please check if allowed before doing this.
+fn should_scan(state: &State, path: &Path) -> Result<bool, Error> {
+ // is allowed
+ // and is a prefix of a blacklist that is not overridden or is a prefix of an inventory item
+ let inventory = if let Some(node) = state.inventory_tree.node_by_path(path) {
+ !node.try_borrow()?.is_leaf()
+ } else {
+ false
+ };
+
+ Ok(state.blacklist_tree.node_by_path(path).is_some() || inventory)
+}
+
+/// If a directory is allowed to be scanned.
+/// Whitelist has more priority than blacklist on the same level of specificity.
+fn allowed(state: &State, path: &Path) -> bool {
+ // If there is no not-overridden blacklist
+
+ let path = path.strip_prefix(&state.config.root).unwrap();
+
+ // If no such blacklist filter found such that
+ // for this blacklist filter no such whitelist found
+ // for which the blacklist is the prefix
+ !state
+ .config
+ .filters
+ .iter()
+ .filter(|filter| filter.is_blacklist())
+ .any(|bl_filter| {
+ path.starts_with(&bl_filter.path)
+ && !state
+ .config
+ .filters
+ .iter()
+ .filter(|filter| filter.is_whitelist())
+ .any(|wl_filter| {
+ path.starts_with(&wl_filter.path)
+ && wl_filter.path.starts_with(&bl_filter.path)
+ })
+ })
+}
+
+fn print(tree: &Filetree<Meta>) -> Result<(), Error> {
+ let mut print_buffer = Vec::new();
+ print_buffer.push((0, tree.root().borrow().id()));
+ while let Some((offset, node_id)) = print_buffer.pop() {
+ let node = tree.node(node_id).expect("Shold have the node");
+ match node.borrow().meta().blacklist {
+ Some(true) => println!(
+ "{}| {}, BL",
+ " ".repeat(offset),
+ node.borrow()
+ .path()
+ .file_name()
+ .map(|name| name.to_str())
+ .flatten()
+ .unwrap_or("UNKNOWN")
+ ),
+ _ => println!(
+ "{}| {}",
+ " ".repeat(offset),
+ node.borrow()
+ .path()
+ .file_name()
+ .map(|name| name.to_str())
+ .flatten()
+ .unwrap_or("UNKNOWN")
+ ),
+ };
+ print_buffer.extend(
+ node.borrow()
+ .children()
+ .map(|child_id| (offset + 1, child_id)),
+ );
+ }
+ Ok(())
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+ #[error(transparent)]
+ Config(#[from] config::Error),
+ #[error(transparent)]
+ State(#[from] state::Error),
+ #[error("Error setting up logging: {0}")]
+ Logging(#[from] logging::Error),
+ #[error("Borrow error: {0}")]
+ Borrow(#[from] BorrowError),
+}
diff --git a/src/logging.rs b/src/logging.rs
@@ -0,0 +1,86 @@
+use tracing::Level;
+use tracing_subscriber::{
+ Layer,
+ fmt::writer::BoxMakeWriter,
+ layer::{Filter, SubscriberExt},
+ util::SubscriberInitExt,
+};
+
+use crate::config::logging::{LogFormat, LoggingConfig, SubscriberConfig, TargetFilterType};
+
+/// Sets up a log implementation that logs to stdout.
+pub fn setup_logging(config: &LoggingConfig) -> Result<(), Error> {
+ let file_layer = config.file.as_ref().map(|config| {
+ let writer = BoxMakeWriter::new(tracing_appender::rolling::RollingFileAppender::new(
+ tracing_appender::rolling::Rotation::NEVER,
+ &config.directory,
+ &config.prefix,
+ ));
+ fmt_subscriber(writer, &config.subscriber)
+ });
+ let mut subscribers = Vec::new();
+ if let Some(file_layer) = file_layer {
+ subscribers.push(file_layer.boxed());
+ }
+ tracing_subscriber::registry()
+ .with(subscribers)
+ .try_init()
+ .map_err(|error| Error::TracingSubscriber(error.to_string()))?;
+ Ok(())
+}
+
+fn fmt_subscriber<S: tracing::Subscriber + for<'a> tracing_subscriber::registry::LookupSpan<'a>>(
+ writer: BoxMakeWriter,
+ config: &SubscriberConfig,
+) -> Option<impl Layer<S> + 'static> {
+ let fmt = tracing_subscriber::fmt::layer()
+ .with_writer(writer)
+ .with_ansi(config.ansi)
+ .with_target(config.target)
+ .with_file(config.file_path)
+ .with_line_number(config.line_number);
+ let fmt = match config.format {
+ LogFormat::Plain => fmt.boxed(),
+ LogFormat::Json => fmt.json().boxed(),
+ };
+ let fmt = fmt
+ .with_filter(tracing_subscriber::filter::LevelFilter::from_level(
+ Option::<Level>::from(config.level)?,
+ ))
+ .with_filter(subscriber_target_filter(config));
+ Some(fmt.boxed())
+}
+
+fn subscriber_target_filter<S: tracing::Subscriber>(
+ config: &SubscriberConfig,
+) -> impl Filter<S> + 'static {
+ let whitelist_filters = config
+ .target_filters
+ .clone()
+ .into_iter()
+ .filter(|filter| matches!(filter.filter_type, TargetFilterType::Whitelist))
+ .collect::<Vec<_>>();
+ let blacklist_filters = config
+ .target_filters
+ .clone()
+ .into_iter()
+ .filter(|filter| matches!(filter.filter_type, TargetFilterType::Blacklist))
+ .collect::<Vec<_>>();
+ tracing_subscriber::filter::FilterFn::new(move |log| {
+ let whitelisted = whitelist_filters.is_empty()
+ || whitelist_filters
+ .iter()
+ .any(|filter| log.target().contains(&filter.pattern));
+ let blacklisted = !blacklist_filters.is_empty()
+ && blacklist_filters
+ .iter()
+ .any(|filter| log.target().contains(&filter.pattern));
+ whitelisted && !blacklisted
+ })
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+ #[error("Error setting global subscriber: {0}")]
+ TracingSubscriber(String),
+}
diff --git a/src/main.rs b/src/main.rs
@@ -0,0 +1,5 @@
+fn main() {
+ if let Err(error) = jannie::result_main() {
+ eprintln!("{error}");
+ }
+}
diff --git a/src/state.rs b/src/state.rs
@@ -0,0 +1,92 @@
+use std::path::{Path, PathBuf};
+
+use tokio::runtime::Runtime;
+
+use crate::{
+ config::Config,
+ filetree::{self, Filetree, node::Node},
+};
+
+pub struct State {
+ pub config_dir: PathBuf,
+ pub config: Config,
+ pub runtime: Runtime,
+ pub blacklist_tree: Filetree<()>,
+ pub whitelist_tree: Filetree<()>,
+ pub inventory_tree: Filetree<()>,
+}
+
+impl State {
+ pub fn new(config_dir: &Path, config: Config) -> Result<Self, Error> {
+ // todo: read inventory
+ let mut blacklist_tree = Filetree::new(Node::new("/".into(), ()));
+ let mut whitelist_tree = Filetree::new(Node::new("/".into(), ()));
+
+ for filter in &config.filters {
+ let mut path = config.root.clone();
+ path.push(&filter.path);
+ match filter.filter_type {
+ crate::config::FilterType::Whitelist => {
+ tracing::debug!("Adding {:?} to whitelist", path);
+ add_to_tree(&mut whitelist_tree, &path)?
+ }
+ crate::config::FilterType::Blacklist => {
+ if config
+ .filters
+ .iter()
+ .filter(|filter| filter.is_whitelist())
+ .find(|filter| filter.path == path)
+ .is_some()
+ {
+ tracing::debug!("Skipping {:?} blacklist", path);
+ } else {
+ tracing::debug!("Adding {:?} to blacklist", path);
+ add_to_tree(&mut blacklist_tree, &path)?
+ }
+ }
+ }
+ }
+
+ let inventory_tree = Filetree::new(Node::new("/".into(), ()));
+ Ok(Self {
+ config_dir: config_dir.into(),
+ config,
+ runtime: tokio::runtime::Builder::new_current_thread()
+ .enable_all()
+ .build()
+ .map_err(Error::Runtime)?,
+ blacklist_tree,
+ whitelist_tree,
+ inventory_tree,
+ })
+ }
+}
+
+fn add_to_tree(tree: &mut Filetree<()>, path: &Path) -> Result<(), Error> {
+ let mut components = path.components();
+ let mut path_buf = PathBuf::new();
+ loop {
+ let component = components.next();
+ match component {
+ Some(component) => {
+ path_buf.push(component);
+ if tree.node_by_path(&path_buf).is_none() {
+ tree.insert(Node::new(path_buf.clone(), ()))?;
+ }
+ }
+ None => {
+ assert!(tree.node_by_path(path).is_some());
+ break;
+ }
+ }
+ }
+ Ok(())
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+ #[error("Error building runtime: {0}")]
+ Runtime(tokio::io::Error),
+ #[error("Error building filetree: {0}")]
+ Filetree(#[from] filetree::Error),
+}
