Leases rather than GC locks

.cargo/mutants.toml

@@ -32,7 +32,7 @@ examine_globs = [
     #     # "src/backup.rs",
     #     "src/bin/conserve.rs",
     "src/transport.rs",
-    #     "src/transport/local.rs",
+    "src/transport/local.rs",
 ]
 
 exclude_globs = [

Cargo.toml

@@ -46,11 +46,13 @@ filetime = "0.2"
 futures = { version = "0.3", optional = true }
 globset = "0.4.5"
 hex = "0.4.2"
+hostname = "0.3"
 itertools = "0.12"
 lazy_static = "1.4.0"
 libssh2-sys = { version = "0.3.0", optional = true }
 lru = "0.12"
 mutants = "0.0.3"
+rand = "0.8"
 rayon = "1.3.0"
 readahead-iterator = "0.1.1"
 regex = "1.3.9"

src/errors.rs

@@ -194,7 +194,6 @@ pub enum Error {
 impl From<jsonio::Error> for Error {
     fn from(value: jsonio::Error) -> Self {
         match value {
-            jsonio::Error::Io { source } => Error::IOError { source },
             jsonio::Error::Json { source, path } => Error::DeserializeJson {
                 source,
                 path: path.to_string_lossy().into_owned(),

src/jsonio.rs

@@ -13,7 +13,6 @@
 
 //! Read and write JSON files.
 
-use std::io;
 use std::path::PathBuf;
 
 use serde::de::DeserializeOwned;
@@ -22,12 +21,6 @@ use crate::transport::{self, Transport, WriteMode};
 
 #[derive(Debug, thiserror::Error)]
 pub enum Error {
-    #[error("IO error")]
-    Io {
-        #[from]
-        source: io::Error,
-    },
-
     #[error("JSON serialization error")]
     Json {
         source: serde_json::Error,