Lowercase variable

scripts/bash_tweaks.sh

@@ -37,13 +37,13 @@ fi
 EOF
 
 # Set-up all users
-for DIR in $(ls -1d /root /home/* 2>/dev/null ||:)
+for dir in $(ls -1d /root /home/* 2>/dev/null ||:)
 do
 	# Hide login informations
-	touch $DIR/.hushlogin
+	touch $dir/.hushlogin
 
 	# Add convenient aliases & behaviors
-	cat <<-'EOF'>> $DIR/.bashrc
+	cat <<-'EOF'>> $dir/.bashrc
 	export LS_OPTIONS="--color=auto"
 	eval "`dircolors`"
 
@@ -63,6 +63,6 @@ do
 	EOF
 
 	# Fix rights
-	USR=$(echo "$DIR" | rev | cut -d/ -f1 | rev)
-	chown -R $USR:$USR $DIR ||:
+	usr=$(echo "$dir" | rev | cut -d/ -f1 | rev)
+	chown -R $usr:$usr $dir ||:
 done

scripts/firewall.sh

@@ -6,12 +6,12 @@ script_dir="$(cd -P "$(dirname "$BASH_SOURCE")" && pwd)"
 cd $script_dir
 . set.sh
 
-SSH_PORT=${1:-521}
+ssh_port=${1:-521}
 
 apt-get -y install ufw
 
 ufw logging off
-ufw allow in "$SSH_PORT"/tcp
+ufw allow in "$ssh_port"/tcp
 ufw allow in 27960:27969/tcp
 ufw allow in 27960:27969/udp
 ufw --force enable

scripts/go.sh

@@ -9,17 +9,17 @@ cd $script_dir
 apt-get -y install golang
 
 # Set-up all users
-for DIR in $(ls -1d /root /home/* 2>/dev/null ||:)
+for dir in $(ls -1d /root /home/* 2>/dev/null ||:)
 do
 	# Add convenient aliases & behaviors
-	cat <<-'EOF'>> $DIR/.bashrc
+	cat <<-'EOF'>> $dir/.bashrc
 	GOPATH=$HOME/go
 	PATH=$PATH:$GOPATH/bin
 	alias gobuild='CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w"'
 	EOF
-	echo 'GOPATH=$HOME/go' >> $DIR/.profile
+	echo 'GOPATH=$HOME/go' >> $dir/.profile
 
 	# Fix rights
-	USR=$(echo "$DIR" | rev | cut -d/ -f1 | rev)
-	chown -R $USR:$USR $DIR ||:
+	usr=$(echo "$dir" | rev | cut -d/ -f1 | rev)
+	chown -R $usr:$usr $dir ||:
 done

scripts/grub.sh

@@ -6,7 +6,7 @@ script_dir="$(cd -P "$(dirname "$BASH_SOURCE")" && pwd)"
 cd $script_dir
 . set.sh
 
-DISK=$1
+disk=$1
 
 sed -i -e 's/message=/message_null=/g' /etc/grub.d/10_linux
 
@@ -20,4 +20,4 @@ GRUB_DISABLE_SUBMENU=y
 EOF
 
 update-grub
-grub-install $DISK
+grub-install $disk

scripts/install_client.sh

@@ -9,8 +9,7 @@ script_dir="$(cd -P "$(dirname "$BASH_SOURCE")" && pwd)"
 cd $script_dir
 . set.sh
 
-SSH_PORT=521
-DISK=$(lsblk -o tran,kname,hotplug,type,fstype -pr |
+disk=$(lsblk -o tran,kname,hotplug,type,fstype -pr |
 	grep -e nvme -e sata |
 	grep '0 disk' |
 	cut -d' ' -f2 |
@@ -19,10 +18,10 @@ DISK=$(lsblk -o tran,kname,hotplug,type,fstype -pr |
 
 systemctl stop unattended-upgrades.service
 
-sgdisk -n0:0:+32G "$DISK"
-sgdisk -N0 "$DISK"
-sgdisk -c3:01-tmp-home "$DISK"
-sgdisk -c4:01-tmp-system "$DISK"
+sgdisk -n0:0:+32G "$disk"
+sgdisk -N0 "$disk"
+sgdisk -c3:01-tmp-home "$disk"
+sgdisk -c4:01-tmp-system "$disk"
 
 apt-get update
 apt-get -y upgrade
@@ -41,7 +40,7 @@ apt-get -yf install
 . ssh.sh
 . firewall.sh
 . ubuntu_tweaks.sh
-. grub.sh "$DISK"
+. grub.sh "$disk"
 . go.sh
 . nodejs.sh
 . fx.sh
@@ -51,7 +50,7 @@ apt-get -yf install
 . exam.sh
 
 # Install additional packages
-PKGS="
+pkgs="
 emacs
 f2fs-tools
 golang-mode
@@ -59,7 +58,7 @@ vim
 xfsprogs
 "
 
-apt-get -y install $PKGS
+apt-get -y install $pkgs
 
 # Install additional drivers
 ubuntu-drivers install
@@ -91,7 +90,7 @@ find . -type f -exec chmod 644 {} \;
 find . -type f -exec /bin/sh -c "file {} | grep -q 'shell script' && chmod +x {}" \;
 find . -type f -exec /bin/sh -c "file {} | grep -q 'public key' && chmod 400 {}" \;
 
-sed -i -e "s|::DISK::|$DISK|g" etc/udev/rules.d/10-local.rules
+sed -i -e "s|::DISK::|$disk|g" etc/udev/rules.d/10-local.rules
 
 # Generate wallpaper
 cd usr/share/backgrounds/01

scripts/ssh.sh

@@ -6,13 +6,13 @@ script_dir="$(cd -P "$(dirname "$BASH_SOURCE")" && pwd)"
 cd $script_dir
 . set.sh
 
-SSH_PORT=${1:-521}
+ssh_port=${1:-521}
 
 # Install dependencies
 apt-get -y install ssh
 
 cat <<EOF>> /etc/ssh/sshd_config
-Port $SSH_PORT
+Port $ssh_port
 PasswordAuthentication no
 AllowUsers root
 EOF

scripts/ubuntu_tweaks.sh

@@ -41,7 +41,7 @@ sed -i '/swapfile/d' /etc/fstab
 
 
 # Purge unused Ubuntu packages
-PKGS="
+pkgs="
 apport
 bind9
 bolt
@@ -73,10 +73,10 @@ whoopsie
 xdg-desktop-portal
 "
 
-apt-get -y purge $PKGS
+apt-get -y purge $pkgs
 apt-get -y autoremove --purge
 
-SERVICES="
+services="
 apt-daily-upgrade.timer
 apt-daily.timer
 console-setup.service
@@ -84,16 +84,16 @@ keyboard-setup.service
 motd-news.timer
 remote-fs.target
 "
-systemctl disable $SERVICES
+systemctl disable $services
 
-SERVICES="
+services="
 grub-common.service
 plymouth-quit-wait.service
 "
-systemctl mask $SERVICES
+systemctl mask $services
 
 # Install packages
-PKGS="$(cat common_packages.txt)
+pkgs="$(cat common_packages.txt)
 baobab
 blender
 dconf-editor
@@ -109,8 +109,8 @@ zenity
 "
 
 # Replace debian packages with ubuntu's
-PKGS=${PKGS/linux-image-amd64/linux-image-generic}
-PKGS=${PKGS/linux-headers-amd64/linux-headers-generic}
-PKGS=${PKGS/firmware-linux-nonfree}
+pkgs=${pkgs/linux-image-amd64/linux-image-generic}
+pkgs=${pkgs/linux-headers-amd64/linux-headers-generic}
+pkgs=${pkgs/firmware-linux-nonfree}
 
-apt-get -y install $PKGS
+apt-get -y install $pkgs

scripts/vscode.sh

@@ -12,11 +12,11 @@ dpkg -i codium_1.40.2-1574798581_amd64.deb
 ln -s /usr/bin/codium /usr/local/bin/code
 
 # Set-up all users
-for DIR in $(ls -1d /home/* 2>/dev/null ||:)
+for dir in $(ls -1d /home/* 2>/dev/null ||:)
 do
 	# Disable most of the telemetry and auto-updates
-	mkdir -p $DIR/.config/VSCodium/User
-	cat <<-'EOF'> $DIR/.config/VSCodium/User/settings.json
+	mkdir -p $dir/.config/VSCodium/User
+	cat <<-'EOF'> $dir/.config/VSCodium/User/settings.json
 	{
 	    "telemetry.enableCrashReporter": false,
 	    "update.enableWindowsBackgroundUpdates": false,
@@ -31,6 +31,6 @@ do
 	EOF
 
 	# Fix rights
-	USR=$(echo "$DIR" | rev | cut -d/ -f1 | rev)
-	chown -R $USR:$USR $DIR ||:
+	usr=$(echo "$dir" | rev | cut -d/ -f1 | rev)
+	chown -R $usr:$usr $dir ||:
 done