From: Zac Medico <zmedico@gentoo.org>
Date: Sat, 3 Aug 2013 22:14:14 +0000 (-0700)
Subject: __repo_key: comment on bash-3.2 compatibility
X-Git-Tag: v2.2.0_alpha193
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=c0c15070d120546af3e43654f71b8178b8ddb882;p=portage.git

__repo_key: comment on bash-3.2 compatibility
---

diff --git a/bin/isolated-functions.sh b/bin/isolated-functions.sh
index 6ef8a9163..42d9e708d 100644
--- a/bin/isolated-functions.sh
+++ b/bin/isolated-functions.sh
@@ -461,6 +461,10 @@ __repo_key() {
 	while read line; do
 		[[ ${appropriate_section} == 0 && ${line} == "[$1]" ]] && appropriate_section=1 && continue
 		[[ ${appropriate_section} == 1 && ${line} == "["*"]" ]] && appropriate_section=0 && continue
+		# If a conditional expression like [[ ${line} == $2*( )=* ]] is used
+		# then bash-3.2 produces an error like the following when the file is
+		# sourced: syntax error in conditional expression: unexpected token `('
+		# Therefore, use a regular expression for compatibility.
 		if [[ ${appropriate_section} == 1 && ${line} =~ ^${2}[[:space:]]*= ]]; then
 			echo "${line##$2*( )=*( )}"
 			exit_status=0