From 1c8f1d99f7270233d0eddbe48d1c70cff6b7a630 Mon Sep 17 00:00:00 2001
From: Pierre Neidhardt <ambrevar@gmail.com>
Date: Tue, 17 May 2016 19:03:41 +0700
Subject: [PATCH] profile: Do not add to PATH if folder does not exist

Pros: It does not add non-existing folder to PATH.
Cons: Once the folder is created, the PATH has to be manually set or the session has to be restarted.
---
 .profile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.profile b/.profile
index bb0e8e18..57bc3234 100644
--- a/.profile
+++ b/.profile
@@ -13,13 +13,13 @@ umask 027
 ## to PATH, not prepend them.
 appendpath() {
 	[ $# -eq 2 ] && PATHVAR=$2 || PATHVAR=PATH
-	if [ -z "$(eval echo \$$PATHVAR | grep "\(:\|^\)$1\(:\|$\)")" ]; then
+	if [ -d "$1" ] && [ -z "$(eval echo \$$PATHVAR | grep "\(:\|^\)$1\(:\|$\)")" ]; then
 		eval export $PATHVAR="\$$PATHVAR:$1"
 	fi
 }
 prependpath() {
 	[ $# -eq 2 ] && PATHVAR=$2 || PATHVAR=PATH
-	if [ -z "$(eval echo \$$PATHVAR | grep "\(:\|^\)$1\(:\|$\)")" ]; then
+	if [ -d "$1" ] && [ -z "$(eval echo \$$PATHVAR | grep "\(:\|^\)$1\(:\|$\)")" ]; then
 		eval export $PATHVAR="$1:\$$PATHVAR"
 	fi
 }
@@ -33,7 +33,7 @@ prependpath "${HOME}/.hackpool/"
 TEXDIR="${TEXDIR:-/usr/local/texlive}"
 if [ -d "${TEXDIR}" ]; then
 	TEXYEAR=$(/bin/ls -1r "${TEXDIR}" | grep -m1 "[0-9]\{4\}")
-	TEXDISTRO=$(uname -m)-$(uname | tr "[[:upper:]]" "[[:lower:]]")
+	TEXDISTRO=$(uname -m)-$(uname | awk '{print tolower($0)}')
 	TEXFOLDER="${TEXDIR}/${TEXYEAR}/bin/${TEXDISTRO}/"
 	if [ -d "${TEXFOLDER}" ]; then
 		appendpath $TEXFOLDER