Override local data directory via env variable

Signed-off-by: itowlson <[email protected]>

Author: itowlson

crates/common/src/data_dir.rs

@@ -4,7 +4,10 @@ use anyhow::{anyhow, Result};
 use std::path::{Path, PathBuf};
 
 /// Return the default data directory for Spin
-pub fn default_data_dir() -> Result<PathBuf> {
+pub fn data_dir() -> Result<PathBuf> {
+    if let Ok(data_dir) = std::env::var("SPIN_DATA_DIR") {
+        return Ok(PathBuf::from(data_dir));
+    }
     if let Some(pkg_mgr_dir) = package_manager_data_dir() {
         return Ok(pkg_mgr_dir);
     }

crates/plugins/src/store.rs

@@ -1,6 +1,6 @@
 use anyhow::{Context, Result};
 use flate2::read::GzDecoder;
-use spin_common::data_dir::default_data_dir;
+use spin_common::data_dir::data_dir;
 use std::{
     ffi::OsStr,
     fs::{self, File},
@@ -25,12 +25,7 @@ impl PluginStore {
     }
 
     pub fn try_default() -> Result<Self> {
-        let data_dir = if let Ok(test_dir) = std::env::var("TEST_PLUGINS_DIRECTORY") {
-            PathBuf::from(test_dir).join("spin")
-        } else {
-            default_data_dir()?
-        };
-        Ok(Self::new(data_dir.join("plugins")))
+        Ok(Self::new(data_dir()?.join("plugins")))
     }
 
     /// Gets the path to where Spin plugin are installed.

crates/templates/src/store.rs

@@ -1,5 +1,5 @@
 use anyhow::Context;
-use spin_common::data_dir::default_data_dir;
+use spin_common::data_dir::data_dir;
 use std::path::{Path, PathBuf};
 
 use crate::directory::subdirectories;
@@ -20,7 +20,7 @@ impl TemplateStore {
     }
 
     pub(crate) fn try_default() -> anyhow::Result<Self> {
-        Ok(Self::new(default_data_dir()?.join("templates")))
+        Ok(Self::new(data_dir()?.join("templates")))
     }
 
     pub(crate) fn get_directory(&self, id: impl AsRef<str>) -> PathBuf {

tests/integration.rs

@@ -903,7 +903,7 @@ route = "/..."
                 "--yes",
             ])
             // Ensure that spin installs the plugins into the temporary directory
-            .env("TEST_PLUGINS_DIRECTORY", "./plugins");
+            .env("SPIN_DATA_DIR", "./plugins");
         env.run_in(&mut install)?;
 
         /// Make sure that the plugin is uninstalled after the test
@@ -927,13 +927,11 @@ route = "/..."
                 "--yes",
             ])
             // Ensure that spin installs the plugins into the temporary directory
-            .env("TEST_PLUGINS_DIRECTORY", "./plugins");
+            .env("SPIN_DATA_DIR", "./plugins");
         env.run_in(&mut install)?;
 
         let mut execute = std::process::Command::new(spin_binary());
-        execute
-            .args(["example"])
-            .env("TEST_PLUGINS_DIRECTORY", "./plugins");
+        execute.args(["example"]).env("SPIN_DATA_DIR", "./plugins");
         let output = env.run_in(&mut execute)?;
 
         // Verify plugin successfully wrote to output file
@@ -957,12 +955,11 @@ route = "/..."
                 "example-plugin-manifest.json",
                 "--yes",
             ])
-            .env("TEST_PLUGINS_DIRECTORY", "./plugins");
+            .env("SPIN_DATA_DIR", "./plugins");
         env.run_in(&mut upgrade)?;
 
         // Check plugin version
         let installed_manifest = std::path::PathBuf::from("plugins")
-            .join("spin")
             .join("plugins")
             .join("manifests")
             .join("example.json");
@@ -984,7 +981,7 @@ route = "/..."
         login
             .args(["login", "--help"])
             // Ensure that spin installs the plugins into the temporary directory
-            .env("TEST_PLUGINS_DIRECTORY", "./plugins");
+            .env("SPIN_DATA_DIR", "./plugins");
         let output = env.run_in(&mut login)?;
 
         // Verify plugin successfully wrote to output file
@@ -1361,7 +1358,7 @@ route = "/..."
 
         // Create a test plugin store so we don't modify the user's real one.
         let plugin_store_dir = Path::new(concat!(env!("OUT_DIR"), "/plugin-store"));
-        let plugins_dir = plugin_store_dir.join("spin/plugins");
+        let plugins_dir = plugin_store_dir.join("plugins");
 
         let plugin_dir = plugins_dir.join("trigger-timer");
         fs::create_dir_all(&plugin_dir)?;
@@ -1388,7 +1385,7 @@ route = "/..."
                 &format!("{TIMER_TRIGGER_INTEGRATION_TEST}/spin.toml"),
                 "--test",
             ])
-            .env("TEST_PLUGINS_DIRECTORY", plugin_store_dir)
+            .env("SPIN_DATA_DIR", plugin_store_dir)
             .output()?;
         assert!(
             out.status.success(),