fix mixed tabs & spaces and surplus empty lines at EOF

1 files changed, 20 insertions, 21 deletions

diff --git a/libalpine.sh.in b/libalpine.sh.in
index 67d7aa1..760eaec 100644
--- a/libalpine.sh.in
+++ b/libalpine.sh.in
@@ -98,26 +98,26 @@ is_xen_dom0() {
 
 # list of available network interfaces that aren't part of any bridge or bond
 available_ifaces() {
-        local iflist= ifpath= iface= i=
+	local iflist= ifpath= iface= i=
 	if ! [ -d /sys/class/net ]; then
 		ip link | awk -F: '$1 ~ /^[0-9]+$/ {printf "%s",$2}'
 		return
 	fi
-        sorted_ifindexes=$(
-                for i in /sys/class/net/*/ifindex; do
-                        [ -e "$i" ] || continue
-                        echo -e "$(cat $i)\t$i";
-                done | sort -n | awk '{print $2}')
-        for i in $sorted_ifindexes; do
-                ifpath=${i%/*}
-                iface=${ifpath##*/}
-                # skip interfaces that are part of a bond or bridge
-                if [ -d "$ifpath"/master/bonding ] || [ -d "$ifpath"/brport ]; then
-                        continue
-                fi
-                iflist="${iflist}${iflist:+ }$iface"
-        done
-        echo $iflist
+	sorted_ifindexes=$(
+		for i in /sys/class/net/*/ifindex; do
+			[ -e "$i" ] || continue
+			echo -e "$(cat $i)\t$i";
+		done | sort -n | awk '{print $2}')
+	for i in $sorted_ifindexes; do
+		ifpath=${i%/*}
+		iface=${ifpath##*/}
+		# skip interfaces that are part of a bond or bridge
+		if [ -d "$ifpath"/master/bonding ] || [ -d "$ifpath"/brport ]; then
+			continue
+		fi
+		iflist="${iflist}${iflist:+ }$iface"
+	done
+	echo $iflist
 }
 
 # from OpenBSD installer
@@ -168,7 +168,7 @@ isin() {
 # remove all occurrences of first argument from list formed by
 # the remaining arguments
 rmel() {
-	local   _a=$1 _b
+	local _a=$1 _b
 
 	shift
 	for _b; do
@@ -176,17 +176,17 @@ rmel() {
 	done
 }
 
-# Issue a read into the global variable $resp. 
+# Issue a read into the global variable $resp.
 _ask() {
 	local _redo=0
 
 	read resp
 	case "$resp" in
-	!)      echo "Type 'exit' to return to setup."
+	!)	echo "Type 'exit' to return to setup."
 		sh
 		_redo=1
 		;;
-	!*)     eval "${resp#?}"
+	!*)	eval "${resp#?}"
 		_redo=1
 		;;
 	esac
@@ -266,4 +266,3 @@ ask_which() {
 		echo "'$resp' is not a valid choice."
 	done
 }
-