From e48fd6ba2e6c075ad1a1182fa197afef114958ab Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Wed, 16 Mar 2016 10:35:05 -0400
Subject: Don't run mkswap in target

---
(limited to 'hosts')

diff --git a/hosts/alsvid200 b/hosts/alsvid200
index 298f2f5..166e79c 100644
--- a/hosts/alsvid200
+++ b/hosts/alsvid200
@@ -96,9 +96,12 @@ postinst_pkgs='
 do_postinst()
 {
 	# Make swap file and set vm.swappiness.
-	in_target fallocate -l 12GiB /var/swap || return 1
-	in_target chmod 0600 /var/swap || return 1
-	in_target mkswap /var/swap || return 1
+	# mkswap needs to be given the full path to the swap file including the
+	# root file system's mount point, or else this false error happens:
+	#   mkswap: error: /var/swap is mounted; will not make swapspace
+	fallocate -l 12GiB "${target}/var/swap" || return 1
+	chmod 0600 "${target}/var/swap" || return 1
+	mkswap "${target}/var/swap" || return 1
 	printf 'vm.swappiness = 10\n' \
 		>"${target}/etc/sysctl.d/vm-swappiness.conf"
 
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