fix: clear old revisions

Cargo.lock

@@ -73,6 +73,15 @@ version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
 
+[[package]]
+name = "block2"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdeb9d870516001442e364c5220d3574d2da8dc765554b4a617230d33fa58ef5"
+dependencies = [
+ "objc2",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.19.1"
@@ -85,6 +94,12 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
+
 [[package]]
 name = "clap"
 version = "4.5.56"
@@ -153,6 +168,17 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "ctrlc"
+version = "3.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73736a89c4aff73035ba2ed2e565061954da00d4970fc9ac25dcc85a2a20d790"
+dependencies = [
+ "dispatch2",
+ "nix",
+ "windows-sys",
+]
+
 [[package]]
 name = "dirs"
 version = "6.0.0"
@@ -174,6 +200,18 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "dispatch2"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89a09f22a6c6069a18470eb92d2298acf25463f14256d24778e1230d789a2aec"
+dependencies = [
+ "bitflags",
+ "block2",
+ "libc",
+ "objc2",
+]
+
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -336,6 +374,7 @@ name = "minecraft-sync"
 version = "0.1.0"
 dependencies = [
  "clap",
+ "ctrlc",
  "dirs",
  "flate2",
  "indicatif",
@@ -358,6 +397,18 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "nix"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74523f3a35e05aba87a1d978330aef40f67b0304ac79c1c00b294c9830543db6"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.50.3"
@@ -367,6 +418,21 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "objc2"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7c2599ce0ec54857b29ce62166b0ed9b4f6f1a70ccc9a71165b6154caca8c05"
+dependencies = [
+ "objc2-encode",
+]
+
+[[package]]
+name = "objc2-encode"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef25abbcd74fb2609453eb695bd2f860d389e457f67dc17cafc8b8cbc89d0c33"
+
 [[package]]
 name = "once_cell"
 version = "1.21.3"

Cargo.toml

@@ -5,6 +5,7 @@ edition = "2024"
 
 [dependencies]
 clap = { version = "4.5.56", features = ["derive"] }
+ctrlc = "3.5.1"
 dirs = "6.0.0"
 flate2 = "1.1.8"
 indicatif = "0.18.3"

justfile

@@ -0,0 +1,2 @@
+dev arg="":
+  RUST_LOG=debug cargo run --profile dev-fast -- {{arg}}

src/error.rs

@@ -22,6 +22,12 @@ pub enum ErrorKind {
         #[source]
         source: std::io::Error,
     },
+    #[error("error clearing old revisions at {path}")]
+    ClearRevisions {
+        path: PathBuf,
+        #[source]
+        source: std::io::Error,
+    },
     #[error("error persisting archive to {path}")]
     PersistError {
         path: PathBuf,

src/storage/fs.rs

@@ -1,5 +1,5 @@
 use std::fs::DirEntry;
-use std::io::BufWriter;
+use std::io::{self, BufWriter};
 use std::path::{self, Path};
 use std::{fs, path::PathBuf};
 
@@ -52,6 +52,15 @@ impl StorageImpl for FSStorage {
             path = ?archive_path,
             "stored revision"
         );
+        let remove_path = base_path().join(&format!("revision_{revision}.tar.gz"));
+        match fs::remove_file(&remove_path) {
+            Ok(_) => {}
+            Err(e) => match e.kind() {
+                io::ErrorKind::NotFound => {}
+                _ => return Err(Error::clear_revisions(e, &remove_path)),
+            },
+        };
+        tracing::debug!(revision, path = ?remove_path, "cleared revisions");
         Ok(())
     }
 }