Clear checksum cache

Author: Mark-Simulacrum

src/build_manifest.rs

@@ -37,6 +37,11 @@ impl<'a> BuildManifest<'a> {
         })
     }
 
+    pub(crate) fn clear_checksum_cache(&self) -> Result<(), Error> {
+        std::fs::remove_file(&self.checksum_cache_path)?;
+        Ok(())
+    }
+
     pub(crate) fn run(&self, upload_base: &str, dest: &Path) -> Result<Execution, Error> {
         let config = &self.builder.config;
 

src/main.rs

@@ -206,6 +206,9 @@ impl Context {
         // produced in the earlier step so we'll need to re-run the manifest building.
         self.recompress(&self.dl_dir())?;
 
+        // Since we recompressed, need to clear out the checksum cache.
+        build_manifest.clear_checksum_cache()?;
+
         // Now generate the real manifests, pointing to the public download endpoint. This will
         // also generate a cache of all the checksums generated by build-manifest.
         let execution = build_manifest.run(