* usr/bin/byobu-disable-prompt.in,

usr/bin/byobu-janitor.in:
  - Test if $HOME/.bashrc exists before modifying it (and potentially
    creating it)
* usr/bin/byobu-export.in:
  - Use echo if the gettext command is not available
* usr/bin/byobu.in:
  - Use readlink if the tty command is not available
* usr/bin/byobu-janitor.in:
  - Add fallback if the install command is not available
* usr/bin/byobu-launch.in:
  - Don't autolaunch for ARM serial consoles
* usr/lib/byobu/disk_io:
  - Ensure the detected mount point device exists
* usr/lib/byobu/hostname:
  - Read from /proc/sys/kernel/hostname if the hostname command is not
    available
* usr/lib/byobu/logo:
  - Add logo for OpenWrt
* usr/lib/byobu/processes:
  - Handle stderr for ps, e.g. unsupported options
  - Remove unnecessary awk call; wc -l only outputs one value
* usr/lib/byobu/raid:
  - Ensure /proc/mdstat is readable
* usr/lib/byobu/release:
  - Fix typo
* usr/lib/byobu/services:
  - Fix reading services from $BYOBU_CONFIG_DIR/statusrc
* usr/lib/byobu/session:
  - Fix screen session regex
* usr/lib/byobu/updates_available:
  - Add support for opkg (OpenWrt)
* usr/lib/byobu/users:
  - Handle stderr for ps, e.g. unsupported options
  - Fix trailing '#' sign
* usr/lib/byobu/whoami:
  - Use id if the whoami command is not available
  - Read from /etc/passwd if the getent command is not available
* usr/lib/byobu/wifi_quality:
  - Add support for iw (preferred over iwconfig)
  - Make logic more similar to other status notifications
* usr/share/byobu/keybindings/f-keys.tmux:
  - Remove -k for new-window. In older versions of tmux, -k without
    -t <target-window> had no effect. In tmux 2.8, -k without -t will
    not trigger a new window; the given command is executed in the
    current window instead.
  - Rename the new window created after adding a new session

debian/changelog

@@ -1,5 +1,6 @@
 byobu (5.128) unreleased; urgency=medium
 
+  [ Dustin Kirkland ]
   * usr/bin/ctail:
     - Quotes are needed around "$@" to keep parameters from splitting
       on spaces.
@@ -18,6 +19,55 @@ byobu (5.128) unreleased; urgency=medium
       All colors in command prompt should be escaped with [ ]
     - https://github.com/dustinkirkland/byobu/pull/30
 
+  [ Jeffery To ]
+  * usr/bin/byobu-disable-prompt.in,
+    usr/bin/byobu-janitor.in:
+    - Test if $HOME/.bashrc exists before modifying it (and potentially
+      creating it)
+  * usr/bin/byobu-export.in:
+    - Use echo if the gettext command is not available
+  * usr/bin/byobu.in:
+    - Use readlink if the tty command is not available
+  * usr/bin/byobu-janitor.in:
+    - Add fallback if the install command is not available
+  * usr/bin/byobu-launch.in:
+    - Don't autolaunch for ARM serial consoles
+  * usr/lib/byobu/disk_io:
+    - Ensure the detected mount point device exists
+  * usr/lib/byobu/hostname:
+    - Read from /proc/sys/kernel/hostname if the hostname command is not
+      available
+  * usr/lib/byobu/logo:
+    - Add logo for OpenWrt
+  * usr/lib/byobu/processes:
+    - Handle stderr for ps, e.g. unsupported options
+    - Remove unnecessary awk call; wc -l only outputs one value
+  * usr/lib/byobu/raid:
+    - Ensure /proc/mdstat is readable
+  * usr/lib/byobu/release:
+    - Fix typo
+  * usr/lib/byobu/services:
+    - Fix reading services from $BYOBU_CONFIG_DIR/statusrc
+  * usr/lib/byobu/session:
+    - Fix screen session regex
+  * usr/lib/byobu/updates_available:
+    - Add support for opkg (OpenWrt)
+  * usr/lib/byobu/users:
+    - Handle stderr for ps, e.g. unsupported options
+    - Fix trailing '#' sign
+  * usr/lib/byobu/whoami:
+    - Use id if the whoami command is not available
+    - Read from /etc/passwd if the getent command is not available
+  * usr/lib/byobu/wifi_quality:
+    - Add support for iw (preferred over iwconfig)
+    - Make logic more similar to other status notifications
+  * usr/share/byobu/keybindings/f-keys.tmux:
+    - Remove -k for new-window. In older versions of tmux, -k without
+      -t <target-window> had no effect. In tmux 2.8, -k without -t will
+      not trigger a new window; the given command is executed in the
+      current window instead.
+    - Rename the new window created after adding a new session
+
  -- Dustin Kirkland <kirkland@ubuntu.com>  Sun, 12 Aug 2018 11:37:11 -0500
 
 byobu (5.127-0ubuntu1) cosmic; urgency=medium

usr/bin/byobu-disable-prompt.in

@@ -22,6 +22,8 @@ PKG="byobu"
 [ -z "${BYOBU_PREFIX}" ] && export BYOBU_PREFIX="@prefix@" || export BYOBU_PREFIX
 . "${BYOBU_PREFIX}/lib/${PKG}/include/common"
 
+[ -w "$HOME/.bashrc" ] || exit 1
+
 $BYOBU_SED_INLINE -e "/#byobu-prompt#$/d" "$HOME/.bashrc"
 
 if [ "$1" != "--no-reload" ]; then

usr/bin/byobu-export.in

@@ -22,7 +22,13 @@ PKG="byobu"
 [ -z "${BYOBU_PREFIX}" ] && export BYOBU_PREFIX="@prefix@" || export BYOBU_PREFIX
 . "${BYOBU_PREFIX}/lib/${PKG}/include/common"
 
-gettext "
+if eval $BYOBU_TEST gettext >/dev/null 2>&1; then
+	command=gettext
+else
+	command=echo
+fi
+
+$command "
 The byobu-export utility is now deprecated.
 
 To install byobu on a system for which byobu is not packaged, or

usr/bin/byobu-janitor.in

@@ -41,7 +41,14 @@ DEFAULT_PROFILE="light"
 PROFILE="$BYOBU_CONFIG_DIR/profile"
 
 # Create byobu-exchange buffer file, with secure permissions, if it doesn't exist
-[ -e "$BYOBU_RUN_DIR/printscreen" ] || install -m 600 /dev/null "$BYOBU_RUN_DIR/printscreen"
+if ! [ -e "$BYOBU_RUN_DIR/printscreen" ]; then
+	if eval $BYOBU_TEST install >/dev/null 2>&1; then
+		install -m 600 /dev/null "$BYOBU_RUN_DIR/printscreen"
+	else
+		cp /dev/null "$BYOBU_RUN_DIR/printscreen"
+		chmod 600 "$BYOBU_RUN_DIR/printscreen"
+	fi
+fi
 
 # Affects: users who launched using sudo, such that their config dir
 # is not writable by them
@@ -112,7 +119,8 @@ killall -u $USER byobu-statusd >/dev/null 2>&1 || true
 rm -f "$FLAG" "/var/run/screen/S-$USER/$PKG.reload-required"
 
 # Affects: Upgrades from <= byobu 5.50, install byobu prompt if using stock bashrc
-if ! (grep -qs "#byobu-prompt#$" "$HOME/.bashrc") && ! [ -e "$BYOBU_CONFIG_DIR/prompt" ]; then
+if [ -r /etc/skel/.bashrc ] && [ -r "$HOME/.bashrc" ] && [ -w "$HOME/.bashrc" ] && \
+		! (grep -qs "#byobu-prompt#$" "$HOME/.bashrc") && ! [ -e "$BYOBU_CONFIG_DIR/prompt" ]; then
 	if eval $BYOBU_TEST diff >/dev/null 2>&1; then
 		if  diff /etc/skel/.bashrc "$HOME/.bashrc" >/dev/null 2>&1; then
 			printf "[ -r $BYOBU_CONFIG_DIR/prompt ] && . $BYOBU_CONFIG_DIR/prompt   #byobu-prompt#\n" >> "$HOME/.bashrc"

usr/bin/byobu-launch.in

@@ -31,7 +31,7 @@
 #      $HOME/.bashrc:  export BYOBU_DISABLE=1
 
 _tty=$(tty)
-if [ "${_tty#/dev/ttyS}" != "$_tty" ]; then
+if [ "${_tty#/dev/ttyS}" != "$_tty" ] && [ "${_tty#/dev/ttyAMA}" != "$_tty" ]; then
 	# Don't autolaunch byobu on serial consoles
 	# You can certainly run 'byobu' manually, though
 	echo

usr/bin/byobu.in

@@ -62,7 +62,11 @@ esac
 export BYOBU_BACKEND
 
 # Store the parent tty
-export BYOBU_TTY=$(tty)
+if eval $BYOBU_TEST tty >/dev/null 2>&1; then
+	export BYOBU_TTY=$(tty)
+else
+	export BYOBU_TTY=$(readlink /proc/$$/fd/0)
+fi
 
 # Get the default window name
 [ -n "$BYOBU_WINDOW_NAME" ] || BYOBU_WINDOW_NAME=-

usr/lib/byobu/disk_io

@@ -50,6 +50,7 @@ __disk_io() {
 		/dev/*) part="${mount_point}";;
 		*) part=$(awk '$2 == mp { print $1 ; exit(0); }' "mp=$mount_point" /etc/mtab);;
 	esac
+	[ -e "$part" ] || return
 	getdisk "$part"
 	local disk=${_RET}
 	local t2=$(date +%s) t1=

usr/lib/byobu/hostname

@@ -20,12 +20,16 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 __hostname_detail() {
-	hostname -f
+	hostname -f 2>/dev/null
 }
 
 __hostname() {
 	local h=
-	h=$(hostname -s 2>/dev/null || hostname)
+	if eval $BYOBU_TEST hostname >/dev/null 2>&1; then
+		h=$(hostname -s 2>/dev/null || hostname)
+	elif [ -r /proc/sys/kernel/hostname ]; then
+		read h < /proc/sys/kernel/hostname
+	fi
 	if metadata_available; then
 		local cache="$BYOBU_RUN_DIR/cache.$BYOBU_BACKEND/hostname"
 		# Background a retrieval of our public hostname

usr/lib/byobu/logo

@@ -111,6 +111,10 @@ __logo() {
 			logo=" lm "
 			$MARKUP && printf "$(color g w)$logo$(color -)$(color g w)$(color -) " || printf "$logo"
 		;;
+		*openwrt*)
+			logo="OWrt"
+			$MARKUP && printf "$(color b colour66 W)%s$(color -)" "$logo" || printf "$logo"
+		;;
 		*red*hat*|*rhel*)
 			logo=" RH "
 			$MARKUP && printf "$(color R k)%s$(color -)" "$logo" || printf "$logo"

usr/lib/byobu/processes

@@ -20,15 +20,15 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 __processes_detail() {
-	ps -ej
+	ps -ej 2>/dev/null
 }
 
 __processes() {
 	local count=
 	if [ -r /proc ]; then
-		count=$(ls -d /proc/[0-9]* 2>/dev/null| wc -l)
+		count=$(ls -d /proc/[0-9]* 2>/dev/null | wc -l)
 	else
-		count=$(ps -ef | wc -l | awk '{print $1}')
+		count=$(ps -ef | wc -l)
 	fi
 	[ -n "$count" ] || return
 	color b y w; printf "%s" "$count"; color -; color y w; printf "&"; color --

usr/lib/byobu/raid

@@ -24,6 +24,7 @@ __raid_detail() {
 }
 
 __raid() {
+	[ -r /proc/mdstat ] || return
 	while read line; do
 		local p msg
 		# Errors in your raid

usr/lib/byobu/release

@@ -30,7 +30,7 @@ __release() {
 		true
 	elif [ -r "/etc/os-release" ]; then
 		# lsb_release is *really* slow;  try to use /etc/os-release
-		release=$(. /etc/os-release && echo "$VERSION_ID")
+		RELEASE=$(. /etc/os-release && echo "$VERSION_ID")
 	elif [ -r "/etc/issue" ]; then
 		# next try /etc/issue first
 		local issue

usr/lib/byobu/services

@@ -43,7 +43,7 @@ service_running() {
 }
 
 __services() {
-	local services=
+	local services="$SERVICES"
 	# Users can define a list of services to monitor in $BYOBU_CONFIG_DIR/status
 	if [ -z "$services" ]; then
 		if [ -f "/etc/eucalyptus/eucalyptus.conf" ]; then

usr/lib/byobu/session

@@ -34,7 +34,7 @@ __session() {
 			fi
 		;;
 		screen)
-			local count=$(screen -ls | grep "^        .*\)$" | wc -l)
+			local count=$(screen -ls | grep "^\s\+.*)$" | wc -l)
 			if [ $count -gt 1 ]; then
 				color u W k; printf "${ICON_SESSION}%S"; color --
 			else

usr/lib/byobu/updates_available

@@ -67,9 +67,16 @@ ___update_cache() {
 	elif eval $BYOBU_TEST pacman >/dev/null; then
 		# If pacman (Archlinux) exists, use it
 		LC_ALL=C flock -xn "$flock" pacman -Sup | grep -vc "^\(::\| \)" >$mycache 2>/dev/null &
+	elif eval $BYOBU_TEST opkg >/dev/null; then
+		# If opkg (OpenWrt) exists, use it, also background if flock exists
+		if eval $BYOBU_TEST flock >/dev/null; then
+			flock -xn "$flock" opkg list-upgradable | wc -l >$mycache 2>/dev/null &
+		else
+			opkg list-upgradable | wc -l >$mycache &
+		fi
 	elif eval $BYOBU_TEST brew >/dev/null; then
 		# If homebrew (Mac OSX) exists, use it, also background if flock exists
-		if eval $BYOBU_TEST flock; then
+		if eval $BYOBU_TEST flock >/dev/null; then
 			flock -xn "$flock" brew outdated | wc -l >$mycache 2>/dev/null &
 		else
 			brew outdated | wc -l >$mycache &
@@ -106,6 +113,18 @@ ___update_needed() {
 			[ "$db" -nt "$mycache" ] && return 0
 		done
 		return 1
+	elif eval $BYOBU_TEST opkg >/dev/null; then
+		# OpenWrt
+		[ ! -e /var/lock/opkg.lock ] || return 1
+		if [ -d /var/opkg-lists ]; then
+			[ /var/opkg-lists -nt "$mycache" ]
+			return $?
+		else
+			local u s
+			read u s < "$mycache"
+			[ "$u" -gt 0 ]
+			return $?
+		fi
 	elif eval $BYOBU_TEST brew >/dev/null; then
 		# Mac OSX
 		# check if any new versions have been installed since

usr/lib/byobu/users

@@ -22,7 +22,7 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 __users_detail() {
-	ps -ef | grep "sshd:.*@" | grep -v grep
+	ps -ef 2>/dev/null | grep "sshd:.*@" | grep -v grep
 }
 
 __users() {
@@ -35,7 +35,7 @@ __users() {
 		count=$(pgrep -f "^sshd:.*@|^/usr/sbin/sshd -i" | wc -l) || return
 	fi
 	if [ $count -gt 0 ]; then
-		color b w r; printf "%d" "$count"; color -; color w r; printf "#"; color --
+		color b w r; printf "%d" "$count"; color -; color w r; printf "##"; color --
 	else
 		rm -f "$BYOBU_RUN_DIR/status.$BYOBU_BACKEND/users"*
 	fi

usr/lib/byobu/whoami

@@ -19,12 +19,28 @@
 #    You should have received a copy of the GNU General Public License
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+___get_user() {
+	if eval $BYOBU_TEST whoami >/dev/null 2>&1; then
+		whoami
+	elif eval $BYOBU_TEST id >/dev/null 2>&1; then
+		id -un
+	fi
+}
+
 __whoami_detail() {
-	getent -- passwd "$USER"
+	local user=$(___get_user)
+	[ -n "$user" ] || return
+	if eval $BYOBU_TEST getent >/dev/null 2>&1; then
+		getent -- passwd "$user"
+	else
+		grep "^$user:" /etc/passwd
+	fi
 }
 
 __whoami() {
-	color bold2; printf "%s@" "$(whoami)"; color -
+	local user=$(___get_user)
+	[ -n "$user" ] || return
+	color bold2; printf "%s@" "$user"; color -
 }
 
 # vi: syntax=sh ts=4 noexpandtab

usr/lib/byobu/wifi_quality

@@ -19,32 +19,64 @@
 #    You should have received a copy of the GNU General Public License
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+___get_dev_list() {
+	if [ -n "$MONITORED_NETWORK" ]; then
+		echo "$MONITORED_NETWORK"
+	else
+		iw dev | grep Interface | cut -f2 -d\ 
+	fi
+}
+
 __wifi_quality_detail() {
-	/sbin/iwconfig 2>/dev/null
+	if eval $BYOBU_TEST iw >/dev/null 2>&1; then
+		local dev
+		for dev in $(___get_dev_list); do
+			iw dev "$dev" info
+			iw dev "$dev" link
+			echo
+		done
+	elif eval $BYOBU_TEST iwconfig >/dev/null 2>&1; then
+		iwconfig 2>/dev/null
+	fi
 }
 
 __wifi_quality() {
 	local out bitrate quality
-	# iwconfig is expected to output lines like:
+	if eval $BYOBU_TEST iw >/dev/null 2>&1; then
-	#    Bit Rate=54 Mb/s   Tx-Power=15 dBm
+		local dev
-	#    Link Quality=60/70  Signal level=-50 dBm
+		for dev in $(___get_dev_list); do
-	# the awk below tokenizes the output and prints shell evalable results
+			# iw is expected to output lines like:
-	out=`iwconfig $MONITORED_NETWORK 2>/dev/null |
+			#     signal: -50 dBm
-		awk '$0 ~ /[ ]*Link Quality./ {
+			#     rx bitrate: 216.0 MBit/s MCS 13 40MHz
-   sub(/.*=/,"",$2); split($2,a,"/");
+			# signal to quality: https://superuser.com/a/1360447
-   printf "quality=%.0f\n", 100*a[1]/a[2] };
+			out=`iw dev "$dev" link 2>/dev/null |
-   $0 ~ /[ ]*Bit Rate/ { sub(/.*[:=]/,"",$2); printf("bitrate=%s\n", $2); }
+				awk '$0 ~ /^\s*signal:/ { a = 100 * ($2 + 110) / 70;
-   '`
+				    printf "quality=%.0f\n", (a > 100) ? 100 : ((a < 0) ? 0 : a); }
-	eval "$out"
+				    $0 ~ /^\s*rx bitrate:/ { printf "bitrate=%s\n", $3; }
-	[ -z "$bitrate" ] && bitrate="0"
+				    '`
-	if [ -z "$quality" ] || [ "$quality" = "0" ]; then
+			eval "$out"
-		quality="0"
+			[ -z "$bitrate" ] || [ -z "$quality" ] || break
+		done
+	elif eval $BYOBU_TEST iwconfig >/dev/null 2>&1; then
+		# iwconfig is expected to output lines like:
+		#    Bit Rate=54 Mb/s   Tx-Power=15 dBm
+		#    Link Quality=60/70  Signal level=-50 dBm
+		# the awk below tokenizes the output and prints shell evalable results
+		out=`iwconfig $MONITORED_NETWORK 2>/dev/null |
+			awk '$0 ~ /[ ]*Link Quality./ {
+			    sub(/.*=/,"",$2); split($2,a,"/");
+			    printf "quality=%.0f\n", 100*a[1]/a[2] };
+			    $0 ~ /[ ]*Bit Rate/ { sub(/.*[:=]/,"",$2); printf("bitrate=%s\n", $2); }
+			    '`
+		eval "$out"
 	fi
-	if [ "$bitrate" = "0" ] || [ "$quality" = "0" ] || [ -z "$bitrate" ] || [ -z "$quality"]; then
+	[ -n "$bitrate" ] || bitrate=0
+	[ -n "$quality" ] || quality=0
+	if [ "$bitrate" -gt 0 ] && [ "$quality" -gt 0 ]; then
+		printf "${ICON_WIFI}"; color b C k; printf "%s" "$bitrate"; color -; color C k; printf "%s" "$ICON_MBPS"; color -; color b C k; printf "%s" "$quality"; color -; color C k; printf "%s" "$PCT"; color --
+	else
 		rm -f "$BYOBU_RUN_DIR/status.$BYOBU_BACKEND/wifi_quality"*
-		return
 	fi
-	printf "${ICON_WIFI}"; color b C k; printf "%s" "$bitrate"; color -; color C k; printf "%s" "$ICON_MBPS"; color -; color b C k; printf "%s" "$quality"; color -; color C k; printf "%s" "$PCT"; color --
 }
 
 # vi: syntax=sh ts=4 noexpandtab

usr/share/byobu/keybindings/f-keys.tmux

@@ -26,12 +26,12 @@ source $BYOBU_PREFIX/share/byobu/keybindings/f-keys.tmux.disable
 
 # Byobu's Keybindings
 # Documented in: $BYOBU_PREFIX/share/doc/byobu/help.tmux.txt
-bind-key -n F1 new-window -k -n config byobu-config
+bind-key -n F1 new-window -n config byobu-config
-bind-key -n S-F1 new-window -k -n help "sh -c '$BYOBU_PAGER $BYOBU_PREFIX/share/doc/byobu/help.tmux.txt'"
+bind-key -n S-F1 new-window -n help "sh -c '$BYOBU_PAGER $BYOBU_PREFIX/share/doc/byobu/help.tmux.txt'"
 bind-key -n F2 new-window -c "#{pane_current_path}" \; rename-window "-"
 bind-key -n C-F2 display-panes \; split-window -h -c "#{pane_current_path}"
 bind-key -n S-F2 display-panes \; split-window -v -c "#{pane_current_path}"
-bind-key -n C-S-F2 new-session
+bind-key -n C-S-F2 new-session \; rename-window "-"
 bind-key -n F3 previous-window
 bind-key -n F4 next-window
 bind-key -n M-Left previous-window
@@ -54,7 +54,7 @@ bind-key -n M-S-Left resize-pane -L
 bind-key -n M-S-Right resize-pane -R
 bind-key -n F5 source $BYOBU_PREFIX/share/byobu/profiles/tmuxrc
 bind-key -n M-F5 run-shell '$BYOBU_PREFIX/lib/byobu/include/toggle-utf8' \; source $BYOBU_PREFIX/share/byobu/profiles/tmuxrc
-bind-key -n S-F5 new-window -k "$BYOBU_PREFIX/lib/byobu/include/cycle-status" \; source $BYOBU_PREFIX/share/byobu/profiles/tmuxrc
+bind-key -n S-F5 new-window "$BYOBU_PREFIX/lib/byobu/include/cycle-status" \; source $BYOBU_PREFIX/share/byobu/profiles/tmuxrc
 bind-key -n C-F5 send-keys ". $BYOBU_PREFIX/bin/byobu-reconnect-sockets" \; send-keys Enter
 bind-key -n C-S-F5 new-window -d "byobu-select-profile -r"
 bind-key -n F6 detach
@@ -68,9 +68,9 @@ bind-key -n M-PPage copy-mode \; send-keys PPage
 bind-key -n F8 command-prompt -p "(rename-window) " "rename-window '%%'"
 bind-key -n C-F8 command-prompt -p "(rename-session) " "rename-session '%%'"
 bind-key -n S-F8 next-layout
-bind-key -n M-S-F8 new-window -k "byobu-layout restore; clear; $SHELL"
+bind-key -n M-S-F8 new-window "byobu-layout restore; clear; $SHELL"
 bind-key -n C-S-F8 command-prompt -p "Save byobu layout as:" "run-shell \"byobu-layout save '%%'\""
-bind-key -n F9 new-window -k -n config byobu-config
+bind-key -n F9 new-window -n config byobu-config
 bind-key -n S-F9 command-prompt -p "Send command to all panes:" "run-shell \"$BYOBU_PREFIX/lib/byobu/include/tmux-send-command-to-all-panes '%%'\""
 bind-key -n C-F9 command-prompt -p "Send command to all windows:" "run-shell \"$BYOBU_PREFIX/lib/byobu/include/tmux-send-command-to-all-windows '%%'\""
 bind-key -n M-F9 display-panes \; setw synchronize-panes