ZSH: move functions from JSON to separate modules

tools/json/config.system.json

@@ -214,14 +214,7 @@
                     "id": "SY008",
                     "description": "Change shell system wide to BASH",
                     "about": "This will switch system wide shell to BASH",
-                    "command": [
-                        "export BASHLOCATION=$(grep /bash$ /etc/shells | tail -1)",
-                        "sed -i \"s|^SHELL=.*|SHELL=${BASHLOCATION}|\" /etc/default/useradd",
-                        "sed -i \"s|^DSHELL=.*|DSHELL=${BASHLOCATION}|\" /etc/adduser.conf",
-                        "apt_install_wrapper apt-get -y purge armbian-zsh zsh-common zsh tmux",
-                        "update_skel",
-                        "awk -F'[/:]' '{if ($3 >= 1000 && $3 != 65534 || $3 == 0) print $1}' /etc/passwd | xargs -L1 chsh -s $(grep /bash$ /etc/shells | tail -1)"
-                    ],
+                    "command": [ "manage_zsh disable" ],
                     "status": "Stable",
                     "author": "@igorpecovnik",
                     "condition": "[[ $(cat /etc/passwd | grep \"^root:\" | rev | cut -d\":\" -f1 | cut -d\"/\" -f1| rev) == \"zsh\" ]]"
@@ -230,14 +223,7 @@
                     "id": "SY009",
                     "description": "Change shell system wide to ZSH",
                     "about": "This will switch system wide shell to ZSH",
-                    "command": [
-                        "export ZSHLOCATION=$(grep /zsh$ /etc/shells | tail -1)",
-                        "sed -i \"s|^SHELL=.*|SHELL=${ZSHLOCATION}|\" /etc/default/useradd",
-                        "sed -i \"s|^DSHELL=.*|DSHELL=${ZSHLOCATION}|\" /etc/adduser.conf",
-                        "apt_install_wrapper apt-get -y install armbian-zsh zsh-common zsh tmux",
-                        "update_skel",
-                        "awk -F'[/:]' '{if ($3 >= 1000 && $3 != 65534 || $3 == 0) print $1}' /etc/passwd | xargs -L1 chsh -s $(grep /zsh$ /etc/shells | tail -1)"
-                    ],
+                    "command": [ "manage_zsh enable" ],
                     "status": "Stable",
                     "author": "@igorpecovnik",
                     "condition": "[[ $(cat /etc/passwd | grep \"^root:\" | rev | cut -d\":\" -f1 | cut -d\"/\" -f1| rev) == \"bash\" ]]"

tools/modules/system/manage_zsh.sh

@@ -0,0 +1,47 @@
+module_options+=(
+	["manage_zsh,author"]="@igorpecovnik"
+	["manage_zsh,ref_link"]=""
+	["manage_zsh,feature"]="manage_zsh"
+	["manage_zsh,desc"]="Set system shell to BASH"
+	["manage_zsh,example"]="manage_zsh enable|disable"
+	["manage_zsh,status"]="Active"
+)
+#
+# @description Set system shell to ZSH
+#
+function manage_zsh() {
+
+	local bash_location=$(grep /bash$ /etc/shells | tail -1)
+	local zsh_location=$(grep /zsh$ /etc/shells | tail -1)
+
+	if [[ "$1" == "enable" ]]; then
+
+		sed -i "s|^SHELL=.*|SHELL=/bin/zsh|" /etc/default/useradd
+		sed -i -E "s|(^\|#)DSHELL=.*|DSHELL=/bin/zsh|" /etc/adduser.conf
+
+		# install
+		apt_install_wrapper apt-get -y install armbian-zsh zsh-common zsh tmux
+
+		update_skel
+
+		# change shell for root
+		usermod --shell "/bin/zsh" root
+		# change shell for others
+		sed -i 's/bash$/zsh/g' /etc/passwd
+
+	else
+
+		sed -i "s|^SHELL=.*|SHELL=/bin/bash|" /etc/default/useradd
+		sed -i -E "s|(^\|#)DSHELL=.*|DSHELL=/bin/bash|" /etc/adduser.conf
+
+		# remove
+		apt_install_wrapper apt-get -y remove armbian-zsh zsh-common zsh tmux
+
+		# change shell for root
+		usermod --shell "/bin/bash" root
+		# change shell for others
+		sed -i 's/zsh$/bash/g' /etc/passwd
+
+	fi
+
+}