From e9e570aa0113c6faff98a9978a35f9821759ab4f Mon Sep 17 00:00:00 2001
From: Arun Babu Neelicattu <arun.neelicattu@twyla.ai>
Date: Sun, 23 Jun 2019 03:41:39 +0200
Subject: [PATCH] Add cache list command

This introduces a new cache sub-command that lists all available
caches.

Relates-to: #1162
---
 docs/docs/cli.md                       | 12 ++++++++++++
 poetry/console/commands/cache/cache.py |  3 ++-
 poetry/console/commands/cache/list.py  | 24 ++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 poetry/console/commands/cache/list.py

diff --git a/docs/docs/cli.md b/docs/docs/cli.md
index 717be699733..1f0d70b45a6 100644
--- a/docs/docs/cli.md
+++ b/docs/docs/cli.md
@@ -513,3 +513,15 @@ poetry env remove test-O3eWbxRl-py3.7
 !!!note
 
     If your remove the currently activated virtualenv, it will be automatically deactivated.
+
+## cache
+
+The `cache` command regroups sub commands to interact with Poetry's cache.
+
+### cache list
+
+The `cache list` command lists Poetry's available caches.
+
+```bash
+poetry cache list
+```
diff --git a/poetry/console/commands/cache/cache.py b/poetry/console/commands/cache/cache.py
index 9f80da7310d..b4c79fc19cc 100644
--- a/poetry/console/commands/cache/cache.py
+++ b/poetry/console/commands/cache/cache.py
@@ -1,3 +1,4 @@
+from poetry.console.commands.cache.list import CacheListCommand
 from ..command import Command
 
 from .clear import CacheClearCommand
@@ -8,7 +9,7 @@ class CacheCommand(Command):
     name = "cache"
     description = "Interact with Poetry's cache"
 
-    commands = [CacheClearCommand()]
+    commands = [CacheClearCommand(), CacheListCommand()]
 
     def handle(self):
         return self.call("help", self._config.name)
diff --git a/poetry/console/commands/cache/list.py b/poetry/console/commands/cache/list.py
new file mode 100644
index 00000000000..52802eac7a3
--- /dev/null
+++ b/poetry/console/commands/cache/list.py
@@ -0,0 +1,24 @@
+import os
+
+from ..command import Command
+
+
+class CacheListCommand(Command):
+
+    name = "list"
+    description = "List Poetry's caches."
+
+    def handle(self):
+        from poetry.locations import CACHE_DIR
+        from poetry.utils._compat import Path
+
+        cache_dir = Path(CACHE_DIR) / "cache" / "repositories"
+
+        if os.path.exists(str(cache_dir)):
+            caches = list(cache_dir.iterdir())
+            if caches:
+                for cache in caches:
+                    self.line("<info>{}</>".format(cache.name))
+                return 0
+
+        self.line("<warning>No caches found</>")