From 4648634b1c17df07b50485b598ea0c6d2fe62c3b Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 10 Apr 2019 13:20:04 +0200
Subject: [slx-issue] Make issue generator even smarter

---
 .../data/opt/openslx/scripts/openslx-create_issue  | 26 +++++++++++++++-------
 1 file changed, 18 insertions(+), 8 deletions(-)

(limited to 'core/modules/slx-issue/data/opt/openslx/scripts/openslx-create_issue')

diff --git a/core/modules/slx-issue/data/opt/openslx/scripts/openslx-create_issue b/core/modules/slx-issue/data/opt/openslx/scripts/openslx-create_issue
index 8165d310..e142b671 100755
--- a/core/modules/slx-issue/data/opt/openslx/scripts/openslx-create_issue
+++ b/core/modules/slx-issue/data/opt/openslx/scripts/openslx-create_issue
@@ -28,9 +28,9 @@ declare -rg OUTFILE=/etc/issue
 # Replace known variables and determine maximum line length
 MAX=0
 while IFS='' read -r line || [ -n "$line" ]; do
-	line="${line//"%ip%"/"$SLX_PXE_CLIENT_IP"}"
 	line="${line//"%hostname%"/"$SLX_HOSTNAME"}"
-	tst="${line//"%space%"/}"
+	tst="${line//"%minspace%"/}"
+	tst="${tst//"%space%"/}"
 	len=${#tst}
 	[ "$len" -gt "$MAX" ] && MAX=$len
 	echo "$line"
@@ -72,25 +72,35 @@ fi
 echo "" >> "$TMPFILE"
 
 # Crop to console width
-T=$( tput cols 2> /dev/console )
+[ "$MAX" -lt 80 ] && MAX=80
+export TERM=linux
+T="$( tput cols 2> /dev/console < /dev/console )"
+[ -z "$T" ] && T="$( tput cols 2> /dev/tty1 < /dev/tty1 )"
 if [ -z "$T" ]; then
-	T=$( stty size < /dev/console )
+	T="$( stty size 2> /dev/console < /dev/console )"
+	[ -z "$T" ] && T="$( stty size 2> /dev/tty1 < /dev/tty1 )"
 	T="${T#* }"
 fi
 [ -n "$T" ] && [ "$T" -le "$MAX" ] && MAX=$(( T - 1 ))
+unset TERM
 
 # Fix up spacing for right-aligned text
 while IFS='' read -r line || [ -n "$line" ]; do
 	tst=${line/"%space%"/}
-	if [ "$(( ${#line} - ${#tst} ))" -eq 7 ]; then
+	tst=${tst/"%minspace%"/}
+	if [ "${#line}" != "${#tst}" ]; then
 		space=
 		while true; do
 			tst=${line/"%space%"/"$space"}
-			if [ "${#tst}" -ge "$MAX" ]; then
-				line="$tst"
+			tst2=${tst/"%minspace%"/"$space"}
+			if [ "${#tst2}" -ge "$MAX" ]; then
+				line="${tst/"%minspace%"/"${space:0:-2}"}"
 				break
+			elif [ "${#space}" -gt 0 ] && [ "$(( MAX - ${#tst2} ))" -ge "${#space}" ]; then
+				space="$space$space"
+			else
+				space=" $space"
 			fi
-			space=" $space"
 		done
 	fi
 	echo "${line:0:$MAX}"
-- 
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