From 9ebe6122e5f7dd378bba60dc7249acecc0847cd7 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 18 Jan 2014 05:14:08 -0500
Subject: [PATCH] custom-chroot: skip files that do not exist

---
 .bin/custom-chroot | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/.bin/custom-chroot b/.bin/custom-chroot
index 113ccfa..1306cb9 100755
--- a/.bin/custom-chroot
+++ b/.bin/custom-chroot
@@ -38,10 +38,9 @@ init_chroot() {
 	[[ -w . ]] || return 0
 
 	if [[ ! -L etc/mtab ]] ; then
-		rm -f etc/mtab
-		ln -sf /proc/mounts etc/mtab
+		ln -sfT /proc/mounts etc/mtab
 	fi
-	local f
+	local f dst
 	local etc=(
 		hosts
 		locale.gen
@@ -57,14 +56,22 @@ init_chroot() {
 	for f in \
 		$(printf 'etc/%s ' "${etc[@]}") \
 	; do
-		if [ -e "/${f}" ] ; then
-			cp /${f} ${f}
+		if [[ -e /${f} ]] ; then
+			cp "/${f}" "${f}"
 		fi
 	done
 	for f in "${home[@]}" ; do
-		cp "${HOME}/${f}" "root/${f}"
+		df="root/${f}"
+		f="${HOME}/${f}"
+		if [[ -e ${f} ]] ; then
+			cp "${f}" "${df}"
+		fi
 	done
-	cat ~/.profile.d/aliases.sh > root/.bash_profile
+
+	f="${HOME}/.profile.d/aliases.sh"
+	if [[ -e ${f} ]] ; then
+		cat "${f}" > root/.bash_profile
+	fi
 }
 
 usage() {
-- 
2.39.5