make jellytool work again; dummy cache driver

3 files changed, 29 insertions, 1 deletions

diff --git a/cache/src/backends/dummy.rs b/cache/src/backends/dummy.rs
new file mode 100644
index 0000000..5ebc2e3
--- /dev/null
+++ b/cache/src/backends/dummy.rs
@@ -0,0 +1,18 @@
+/*
+    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
+    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
+    Copyright (C) 2025 metamuffin <metamuffin.org>
+*/
+
+use crate::backends::CacheStorage;
+use anyhow::Result;
+
+pub struct Dummy;
+impl CacheStorage for Dummy {
+    fn store(&self, _key: String, _value: &[u8]) -> Result<()> {
+        Ok(())
+    }
+    fn read(&self, _key: &str) -> Result<Option<Vec<u8>>> {
+        Ok(None) // sorry forgot
+    }
+}
diff --git a/cache/src/backends/mod.rs b/cache/src/backends/mod.rs
index 5872255..506eace 100644
--- a/cache/src/backends/mod.rs
+++ b/cache/src/backends/mod.rs
@@ -3,12 +3,13 @@
     which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
     Copyright (C) 2025 metamuffin <metamuffin.org>
 */
+pub mod dummy;
 pub mod filesystem;
 pub mod rocksdb;
 
 use crate::{
     CONF,
-    backends::{filesystem::Filesystem, rocksdb::Rocksdb},
+    backends::{dummy::Dummy, filesystem::Filesystem, rocksdb::Rocksdb},
 };
 use anyhow::{Result, bail};
 
@@ -21,6 +22,7 @@ pub fn init_backend() -> Result<Box<dyn CacheStorage>> {
     Ok(match CONF.driver.as_str() {
         "filesystem" => Box::new(Filesystem::new(&CONF)),
         "rocksdb" => Box::new(Rocksdb::new(&CONF)?),
+        "dummy" => Box::new(Dummy),
         _ => bail!("unknown driver"),
     })
 }
diff --git a/cache/src/lib.rs b/cache/src/lib.rs
index d68266f..c939a9c 100644
--- a/cache/src/lib.rs
+++ b/cache/src/lib.rs
@@ -55,6 +55,14 @@ pub fn init_cache() -> Result<()> {
         .unwrap();
     Ok(())
 }
+pub fn init_cache_dummy() -> Result<()> {
+    *CONF_PRELOAD.lock().unwrap() = Some(Config {
+        driver: "dummy".to_string(),
+        path: PathBuf::default(),
+        max_in_memory_cache_size: 0,
+    });
+    init_cache()
+}
 
 fn bucket(key: &str) -> usize {
     let mut h = DefaultHasher::new();