From e221e708c1237eaa3088d97aebf8bf4869843dc6 Mon Sep 17 00:00:00 2001
From: Reto Brunner <reto@labrat.space>
Date: Sat, 23 Jul 2022 16:40:28 +0200
Subject: [PATCH] install: expand ~ for local paths

Make `thelounge install file:~/path/to/package` work rather than
erroring out that the folder doesn't exists.

Probably funny on Windows, but it doesn't hurt either
---
 server/command-line/install.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/server/command-line/install.ts b/server/command-line/install.ts
index b5c607a5..b9053f6e 100644
--- a/server/command-line/install.ts
+++ b/server/command-line/install.ts
@@ -37,8 +37,11 @@ program
 
 		if (packageName.startsWith("file:")) {
 			isLocalFile = true;
+			// our yarn invocation sets $HOME to the cachedir, so we must expand ~ now
+			// else the path will be invalid when npm expands it.
+			packageName = expandTildeInLocalPath(packageName);
 			readFile = fspromises
-				.readFile(path.join(packageName.substr("file:".length), "package.json"), "utf-8")
+				.readFile(path.join(packageName.substring("file:".length), "package.json"), "utf-8")
 				.then((data) => JSON.parse(data) as typeof packageJson);
 		} else {
 			const split = packageName.split("@");
@@ -106,4 +109,9 @@ program
 			});
 	});
 
+function expandTildeInLocalPath(packageName: string): string {
+	const path = packageName.substring("file:".length);
+	return "file:" + Helper.expandHome(path);
+}
+
 export default program;