1 files changed, 95 insertions, 0 deletions
diff --git a/crates/shirabe/src/command/clear_cache_command.rs b/crates/shirabe/src/command/clear_cache_command.rs
index e4354b4..fe2c4dd 100644
--- a/crates/shirabe/src/command/clear_cache_command.rs
+++ b/crates/shirabe/src/command/clear_cache_command.rs
@@ -1 +1,96 @@
 //! ref: composer/src/Composer/Command/ClearCacheCommand.php
+
+use indexmap::IndexMap;
+use shirabe_external_packages::symfony::console::input::input_interface::InputInterface;
+use shirabe_external_packages::symfony::console::output::output_interface::OutputInterface;
+use crate::cache::Cache;
+use crate::command::base_command::BaseCommand;
+use crate::console::input::input_option::InputOption;
+use crate::factory::Factory;
+
+#[derive(Debug)]
+pub struct ClearCacheCommand {
+    inner: BaseCommand,
+}
+
+impl ClearCacheCommand {
+    pub fn configure(&mut self) {
+        self.inner
+            .set_name("clear-cache")
+            .set_aliases(vec!["clearcache".to_string(), "cc".to_string()])
+            .set_description("Clears composer's internal package cache")
+            .set_definition(vec![
+                InputOption::new(
+                    "gc",
+                    None,
+                    InputOption::VALUE_NONE,
+                    "Only run garbage collection, not a full cache clear",
+                ),
+            ])
+            .set_help(
+                "The <info>clear-cache</info> deletes all cached packages from composer's\n\
+                cache directory.\n\n\
+                Read more at https://getcomposer.org/doc/03-cli.md#clear-cache-clearcache-cc"
+            );
+    }
+
+    pub fn execute(&self, input: &dyn InputInterface, _output: &dyn OutputInterface) -> anyhow::Result<i64> {
+        let composer = self.inner.try_composer();
+        let config = if let Some(composer) = composer {
+            composer.get_config()
+        } else {
+            Factory::create_config(None, None)?
+        };
+
+        let io = self.inner.get_io();
+
+        let mut cache_paths: IndexMap<String, String> = IndexMap::new();
+        cache_paths.insert("cache-vcs-dir".to_string(), config.get("cache-vcs-dir").to_string());
+        cache_paths.insert("cache-repo-dir".to_string(), config.get("cache-repo-dir").to_string());
+        cache_paths.insert("cache-files-dir".to_string(), config.get("cache-files-dir").to_string());
+        cache_paths.insert("cache-dir".to_string(), config.get("cache-dir").to_string());
+
+        for (key, cache_path) in &cache_paths {
+            // only individual dirs get garbage collected
+            if key == "cache-dir" && input.get_option("gc").as_bool() {
+                continue;
+            }
+
+            let cache_path = shirabe_php_shim::realpath(cache_path);
+            if !cache_path.as_ref().map(|s| !s.is_empty()).unwrap_or(false) {
+                let cache_path_display = cache_path.as_deref().unwrap_or("");
+                io.write_error(&format!("<info>Cache directory does not exist ({key}): {cache_path_display}</info>"));
+                continue;
+            }
+            let cache_path = cache_path.unwrap();
+            let mut cache = Cache::new(io, &cache_path);
+            cache.set_read_only(config.get("cache-read-only").as_bool().unwrap_or(false));
+            if !cache.is_enabled() {
+                io.write_error(&format!("<info>Cache is not enabled ({key}): {cache_path}</info>"));
+                continue;
+            }
+
+            if input.get_option("gc").as_bool() {
+                io.write_error(&format!("<info>Garbage-collecting cache ({key}): {cache_path}</info>"));
+                if key == "cache-files-dir" {
+                    cache.gc(config.get("cache-files-ttl"), config.get("cache-files-maxsize"))?;
+                } else if key == "cache-repo-dir" {
+                    cache.gc(config.get("cache-ttl"), 1024 * 1024 * 1024)?;
+                } else if key == "cache-vcs-dir" {
+                    cache.gc_vcs_cache(config.get("cache-ttl"))?;
+                }
+            } else {
+                io.write_error(&format!("<info>Clearing cache ({key}): {cache_path}</info>"));
+                cache.clear()?;
+            }
+        }
+
+        if input.get_option("gc").as_bool() {
+            io.write_error("<info>All caches garbage-collected.</info>");
+        } else {
+            io.write_error("<info>All caches cleared.</info>");
+        }
+
+        Ok(0)
+    }
+}