From 188aedeb2822f5c86a0586fd3350800565da5c6c Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 10 Mar 2012 21:43:30 -0500
Subject: etc-update: support scan paths on the command line

URL: http://bugs.gentoo.org/59235
Reported-by: Cory Visi <merlin@gentoo.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 bin/etc-update   | 12 ++++++++----
 man/etc-update.1 |  5 +++--
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/bin/etc-update b/bin/etc-update
index 989d36793..c49c4b8f6 100755
--- a/bin/etc-update
+++ b/bin/etc-update
@@ -52,7 +52,7 @@ scan() {
 	local find_opts
 	local path
 
-	for path in ${CONFIG_PROTECT} ; do
+	for path in ${SCAN_PATHS} ; do
 		path="${EROOT%/}${path}"
 
 		[[ -w ${path} ]] || die "Need write access to ${path}"
@@ -544,7 +544,9 @@ usage() {
 	cat <<-EOF
 	etc-update: Handle configuration file updates
 
-	Usage: etc-update [options]
+	Usage: etc-update [options] [paths to scan]
+
+	If no paths are specified, then \${CONFIG_PROTECT} will be used.
 
 	Options:
 	  -d, --debug    Enable shell debugging
@@ -581,7 +583,8 @@ while [[ -n $1 ]] ; do
 		-v|--verbose) VERBOSE=true;;
 		-V|--version) emerge --version; exit 0;;
 		--automode)   parse_automode_flag $2 && shift || usage 1 "Invalid mode '$2'";;
-		*)            usage 1 "Invalid option '$1'";;
+		-*)           usage 1 "Invalid option '$1'";;
+		*)            break;;
 	esac
 	shift
 done
@@ -599,6 +602,7 @@ portage_vars=(
 )
 eval $(portageq envvar -v ${portage_vars[@]})
 export PORTAGE_TMPDIR
+SCAN_PATHS=${*:-${CONFIG_PROTECT}}
 
 TMP="${PORTAGE_TMPDIR}/etc-update-$$"
 trap "die terminated" SIGTERM
@@ -663,7 +667,7 @@ else
 fi
 
 if ${VERBOSE} ; then
-	for v in ${portage_vars[@]} ${cfg_vars[@]} TMP ; do
+	for v in ${portage_vars[@]} ${cfg_vars[@]} TMP SCAN_PATHS ; do
 		echo "${v}=${!v}"
 	done
 fi
diff --git a/man/etc-update.1 b/man/etc-update.1
index bebef5b69..85d102d92 100644
--- a/man/etc-update.1
+++ b/man/etc-update.1
@@ -3,7 +3,7 @@
 etc-update \- handle configuration file updates
 .SH SYNOPSIS
 .BR etc-update
-[\fIoptions\fR] [\fI--automode <mode>\fR]
+[\fIoptions\fR] [\fI--automode <mode>\fR] [\fIpaths to scan\fR]
 .SH DESCRIPTION
 .I etc-update
 is supposed to be run after merging a new package to see if
@@ -13,7 +13,8 @@ configuration file will override an old one,
 will prompt the user for a decision.
 .PP
 .I etc-update
-will check all directories in the \fICONFIG_PROTECT\fR variable.  All
+will check all directories specified on the command line.  If no paths
+are given, then the \fICONFIG_PROTECT\fR variable will be used.  All
 config files found in \fICONFIG_PROTECT_MASK\fR will automatically be
 updated for you by \fIetc-update\fR.  See \fBmake.conf\fR(5) for more
 information.
-- 
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