remove: hostname command dependency

add: history-grep alias
fix: supress arch-updates output when no updates

.config/aliasrc

@@ -17,6 +17,8 @@ alias git-update-submodules='
 alias gpg2-decrypt='function _gpg2-decrypt(){ gpg2 --output ${1%".gpg"} --decrypt $1; }; _gpg2-decrypt'
 alias gpg2-encrypt='function _gpg2-encrypt(){ gpg2 --output $1.gpg --encrypt $1; }; _gpg2-encrypt'
 
+alias hist-grep='history 1 | grep '
+
 alias ls='ls -Flh --color=never'
 
 alias lsblk='lsblk -o +PARTLABEL -o +FSTYPE'

.config/bspwm/bspwmrc

@@ -2,7 +2,7 @@
 
 sxhkd &
 
-host_name=$(hostname)
+host_name=$(cat /proc/sys/kernel/hostname)
 if [[ $host_name == "portalo" ]]; then
     bspc monitor HDMI-1 -d web terminal 3 4 5 6 game
     bspc monitor DVI-D-1 -d side-view voip messenger

.config/polybar/launch.sh

@@ -6,7 +6,7 @@ killall -q polybar
 # Wait until the processes have been shut down
 while pgrep -u $UID -x polybar >/dev/null; do sleep 1; done
 
-host_name=$(hostname)
+host_name=$(cat /proc/sys/kernel/hostname)
 if [[ $host_name == "portalo" ]]; then
     polybar portalo-primary &
     polybar portalo-secondary &

.config/polybar/scripts/arch-updates.sh

@@ -1,3 +1,7 @@
 #!/bin/sh
 
-echo $(pacman -Qu | wc -l)
+pkg_updates_count=$(pacman -Qu | wc -l)
+if [ $((pkg_updates_count)) -gt 0 ]
+then
+    echo $pkg_updates_count
+fi