fix: respect DENO_DIR and XDG_* environment variables for fs cache

Author: uncenter

src/utils/info.ts

@@ -5,21 +5,33 @@ export function getConfigPaths() {
   const homeDir = Deno.build.os == "windows"
     ? Deno.env.get("USERPROFILE")!
     : Deno.env.get("HOME")!;
-  const configDir = join(homeDir, ".deno", "deployctl");
+  const xdgCacheDir = Deno.env.get("XDG_CACHE_HOME");
+  const xdgConfigDir = Deno.env.get("XDG_CONFIG_HOME");
+
+  const denoDir = Deno.env.get("DENO_DIR") || join(homeDir, ".deno");
+  const cacheDir = join(
+    xdgCacheDir ? join(xdgCacheDir, "deno") : denoDir,
+    "deployctl",
+  );
+  const configDir = join(
+    xdgConfigDir ? join(xdgConfigDir, "deno") : denoDir,
+    "deployctl",
+  );
 
   return {
+    cacheDir,
     configDir,
-    updatePath: join(configDir, "update.json"),
-    credentialsPath: join(configDir, "credentials.json"),
+    updatePath: join(cacheDir, "update.json"),
+    credentialsPath: join(cacheDir, "credentials.json"),
   };
 }
 
 export async function fetchReleases() {
   try {
     const { latest } = await getVersions();
     const updateInfo = { lastFetched: Date.now(), latest };
-    const { updatePath, configDir } = getConfigPaths();
-    await Deno.mkdir(configDir, { recursive: true });
+    const { updatePath, cacheDir } = getConfigPaths();
+    await Deno.mkdir(cacheDir, { recursive: true });
     await Deno.writeFile(
       updatePath,
       new TextEncoder().encode(JSON.stringify(updateInfo, null, 2)),

src/utils/token_storage/fs.ts

@@ -27,8 +27,8 @@ export async function get(): Promise<string | null> {
 }
 
 export async function store(token: string): Promise<void> {
-  const { credentialsPath, configDir } = getConfigPaths();
-  await Deno.mkdir(configDir, { recursive: true });
+  const { credentialsPath, cacheDir } = getConfigPaths();
+  await Deno.mkdir(cacheDir, { recursive: true });
   await Deno.writeTextFile(
     credentialsPath,
     JSON.stringify({ token }, null, 2),
@@ -38,8 +38,8 @@ export async function store(token: string): Promise<void> {
 }
 
 export async function remove(): Promise<void> {
-  const { credentialsPath, configDir } = getConfigPaths();
-  await Deno.mkdir(configDir, { recursive: true });
+  const { credentialsPath, cacheDir } = getConfigPaths();
+  await Deno.mkdir(cacheDir, { recursive: true });
   await Deno.writeTextFile(credentialsPath, "{}", { mode: 0o600 });
   return Promise.resolve();
 }