From a6b32e34206dea3de4d24eaf4e9fcd5f59647ae1 Mon Sep 17 00:00:00 2001
From: Luka Vandervelden <lukc@upyum.com>
Date: Mon, 2 Sep 2019 16:40:33 +0200
Subject: [PATCH] `apk add` inherits stdin when called.

---
 src/main.cr | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main.cr b/src/main.cr
index 0510ba4..3fd2432 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -127,7 +127,12 @@ begin
 
 	if dependencies.size > 0
 		# FIXME: We’ll probably want to have backends other than apk at some point.
-		r = context.sh "apk add #{ENV["APK_FLAGS"]? || "-i"} #{dependencies.join " "}"
+		opts = ["add"] + (ENV["APK_FLAGS"]? || "-i").split(/[ \t]+/) + dependencies
+		puts "+ apk #{opts.join " "}"
+		r = Process.run "apk", opts,
+			output: Process::Redirect::Inherit,
+			input: Process::Redirect::Inherit,
+			error: Process::Redirect::Inherit
 		if r.exit_status != 0
 			STDERR.puts "!! Running apk failed!"
 			exit 8