Significantly cleaned up install script, dropped support for wget

README.md

@@ -31,15 +31,6 @@ bash -c "$(curl -s https://raw.githubusercontent.com/G2-Games/welcome.sh/main/in
 ```
 zsh -c "$(curl -s https://raw.githubusercontent.com/G2-Games/welcome.sh/main/install.sh)"
 ```
-#### Or wget
-<sub>Bash:</sub>
-```
-bash -c "$(wget -q https://raw.githubusercontent.com/G2-Games/welcome.sh/main/install.sh -O -)"
-```
-<sub>Zsh:</sub>
-```
-zsh -c "$(wget -q https://raw.githubusercontent.com/G2-Games/welcome.sh/main/install.sh -O -)"
-```
 
 It installs to `~/.welcome/welcome.sh`, and adds a line to the bottom of `~/.bashrc` or `~/.zshrc`
 

install.sh

@@ -1,71 +1,81 @@
+# shellcheck disable=SC2016
+
+getVersion () {
+    ver=$(grep version ~/.welcome/welcome.sh 2> /dev/null | sed 's/.*=//')
+
+    if [ -z "$ver" ]; then
+        echo -e "\bUnknown"
+        return
+    fi
+
+    echo "$ver"
+}
+
+univRead () { # Universal read command for bash and zsh
+    echo -en "$1"
+    echo -en "\n[\e[36mY/n\e[0m]"
+    if [[ "$environment" = "bash" ]]; then
+        read -p " " -r
+    elif [[ "$environment" = "zsh" ]]; then
+        read -q "REPLY? " -r
+    fi
+    echo
+}
+
 tput sc
-if ! [[ $1 == "auto" ]] && [ -z "$1" ]; then
+if ! [[ $1 == "auto" ]] && [[ -z "$1" ]]; then
     echo "Checking for latest release..."
 fi
 
 latestver=$(curl -Ls https://github.com/G2-Games/welcome.sh/releases/latest/download/welcome.sh | grep version | sed 's/.*=//')
-oldver=$(grep version ~/.welcome/welcome.sh 2> /dev/null | sed 's/.*=//' | sed 's/[.][.]*//g') && if ! [ -n "$oldver" ]; then oldver=0; fi
+oldver=$(grep version ~/.welcome/welcome.sh 2> /dev/null | sed 's/.*=//' | sed 's/[.][.]*//g') && if [[ -z "$oldver" ]]; then oldver=0; fi
 
 version="${1:-$latestver}"
 
-if [[ $1 == "auto" ]] && [[ $(echo $latestver | sed 's/[.][.]*//g') -le $oldver ]]; then
+if [[ $1 == "auto" ]] && [[ ${latestver//./} -le $oldver ]]; then
     exit 0
 elif [[ $1 == "auto" ]]; then
     version=$latestver
 fi
 
-vernum=$(echo $version | sed 's/[.][.]*//g' )
+vernum=${version//./}
 bashrc=~/.bashrc
 zshrc=~/.zshrc
 originaldir=$PWD
 environment=$(ps -o args= -p $$ | grep -Em 1 -o '\w{0,5}sh' | head -1)
 
-univread() { # Universal read command for bash and zsh
+# Check if the environment is bash or zsh
-    echo -en $1
+if [[ "$environment" != "bash" ]] && [[ "$environment" != "zsh" ]]; then
-    if [[ "$environment" = "bash" ]]; then
+    printf "\e[31;5mERROR:\e[0m \e[31;3mThis script can only be installed in Bash or Zsh.\e[0m\n"
-        read -p " " -n 1 -r;
+    exit 0
-    elif [[ "$environment" = "zsh" ]]; then
+fi
-        read -q "REPLY? " -n 1 -r
-    fi
-    echo
-}
 
-if [ "$environment" = "bash" ] || [ "$environment" = "zsh" ]; then
+if ! grep -qs 'bash ~/.welcome/welcome.sh' $bashrc && ! grep -qs 'zsh ~/.welcome/welcome.sh' $zshrc && ! grep -qs 'bash /home/$USER/.welcome/welcome.sh' $bashrc && ! grep -qs 'zsh /home/$USER/.welcome/welcome.sh' $zshrc; then
-    if ! grep -qs 'bash ~/.welcome/welcome.sh' $bashrc && ! grep -qs 'zsh ~/.welcome/welcome.sh' $zshrc && ! grep -qs 'bash /home/$USER/.welcome/welcome.sh' $bashrc && ! grep -qs 'zsh /home/$USER/.welcome/welcome.sh' $zshrc || [ -z ~/.welcome/welcome.sh ];
-    then
     tput rc
     echo "Welcome! Installing v$version in $environment..."
     tput sc
-        cd ~/
+
+    cd ~/ || exit 1
     mkdir -p ~/.welcome
-        if which curl >/dev/null ; then
+    curl -SL https://github.com/G2-Games/welcome.sh/releases/download/v"${version}"/welcome.sh --output ~/.welcome/welcome.sh
-            curl -SL https://github.com/G2-Games/welcome.sh/releases/download/v${version}/welcome.sh --output ~/.welcome/welcome.sh
     if [[ $vernum -ge 100 ]]; then
-                curl -SL https://github.com/G2-Games/welcome.sh/releases/download/v${version}/config.cfg --output ~/.welcome/config.cfg
+        curl -SL https://github.com/G2-Games/welcome.sh/releases/download/v"${version}"/config.cfg --output ~/.welcome/config.cfg
-            fi
-        elif which wget >/dev/null ; then
-            wget https://github.com/G2-Games/welcome.sh/releases/download/v${version}/welcome.sh --P ~/.welcome/
-            if [[ $vernum -ge 100 ]]; then
-                wget https://github.com/G2-Games/welcome.sh/releases/download/v${version}/config.cfg --P ~/.welcome/
-            fi
-        else
-            echo -e "\e[31mCannot download, neither Wget nor cURL is available!\e[0m"
-            exit 1
     fi
     chmod +x ~/.welcome/welcome.sh
-        if [[ "$environment" = "bash" ]];
+
-        then
+
+    if [[ "$environment" = "bash" ]]; then
         echo "Installing to bashrc"
         echo 'bash ~/.welcome/welcome.sh' >> $bashrc
-        elif [[ "$environment" = "zsh" ]];
+    elif [[ "$environment" = "zsh" ]]; then
-        then
         echo "Installing to zshrc"
         echo 'zsh ~/.welcome/welcome.sh' >> $zshrc
     fi
-        cd "$originaldir"
+
+    cd "$originaldir" || exit 1
     tput rc && tput el && tput ed
     echo -e "\e[36mInstalled! \e[0m"
-    else
+else
     tput rc
     tput sc
     mkdir -p ~/.welcome
@@ -74,65 +84,57 @@ if [ "$environment" = "bash" ] || [ "$environment" = "zsh" ]; then
     else
         echo -e "\e[32mUpdate available for \e[35mwelcome.sh!\e[0m"
     fi
+
     if [[ $vernum -gt $oldver ]]; then
-            if which curl >/dev/null ; then
+
-                cfgver=$(echo $(curl -Ls https://github.com/G2-Games/welcome.sh/releases/download/v${version}/config.cfg) | grep version | sed 's/.*=//' | sed 's/[.][.]*//g')
+        # Pull the new configuration version from github
-            elif which wget >/dev/null; then
+        newCfgVer=$(curl -Ls https://github.com/G2-Games/welcome.sh/releases/download/v"${version}"/config.cfg | grep version | cut -d= -f2)
-                cfgver=$(echo $(wget -q https://github.com/G2-Games/welcome.sh/releases/download/v${version}/config.cfg -O -) | grep version | sed 's/.*=//' | sed 's/[.][.]*//g')
+
+        univRead "Do you want to \e[36mupdate \e[35mwelcome.sh\e[0m? (\e[36mv$(getVersion)\e[0m => \e[32mv$version\e[0m)"
+        if ! [[ $REPLY =~ ^[Yy]$ ]]; then
+            tput rc && tput el && tput ed
+            echo -e "\e[31mCancelled"
+            if [[ $1 != "auto" ]]; then
+                echo -e "\e[35mwelcome.sh\e[0m already installed!"
+            fi
+            exit 0
         fi
 
-            univread "Do you want to \e[36mupdate \e[35mwelcome.sh\e[0m? (\e[36mv$(ver=$(grep version ~/.welcome/welcome.sh 2> /dev/null | sed 's/.*=//') && if ! [ -n "$ver" ]; then echo -e "\bUnknown"; else echo "$ver"; fi)\e[0m => \e[32mv$version\e[0m) \n\e[36mY/n\e[0m"
+        if [[ $newCfgVer -gt $(grep version ~/.welcome/config.cfg 2> /dev/null | cut -d= -f2) ]]; then
-
+            univRead "Newer \e[36mconfig\e[0m version available. Do you want to \e[31moverwrite\e[0m your \e[36mconfig\e[0m? \nA backup will be created in the \e[36m.welcome\e[0m folder."
-            if [[ $REPLY =~ ^[Yy]$ ]]; then
-                if [[ $cfgver -gt $(grep version ~/.welcome/config.cfg 2> /dev/null | sed 's/.*=//' | sed 's/[.][.]*//g') ]] && ! [ -z ~/.welcome/config.cfg ]; then
-
-                    univread "Newer \e[36mconfig\e[0m version available. Do you want to \e[31moverwrite\e[0m your \e[36mconfig\e[0m? \nA backup will be created in the \e[36m.welcome\e[0m folder.\n\e[36mY/n\e[0m"
-
             if [[ $REPLY =~ ^[Yy]$ ]]; then
                 overcfg=1
             fi
-                elif [ $oldver -lt 100 ]; then
+        elif [[ $oldver -lt 100 ]]; then
             overcfg=1
         else
             overcfg=0
         fi
+
         tput rc && tput el && tput ed
         echo "Updating..."
         tput sc
         mkdir -p ~/.welcome
         rm ~/.welcome/welcome.sh
-                if which curl >/dev/null ;
+
-                then
+        curl -SL https://github.com/G2-Games/welcome.sh/releases/download/v"${version}"/welcome.sh --output ~/.welcome/welcome.sh
-                    curl -SL https://github.com/G2-Games/welcome.sh/releases/download/v${version}/welcome.sh --output ~/.welcome/welcome.sh
         if [[ $vernum -ge 100 ]] && [[ $overcfg -gt 0 ]]; then
             echo "Backing up: config.cfg >> config_old.cfg"
             mv ~/.welcome/config.cfg ~/.welcome/config_old.cfg
-                        curl -SL https://github.com/G2-Games/welcome.sh/releases/download/v${version}/config.cfg --output ~/.welcome/config.cfg
+            curl -SL https://github.com/G2-Games/welcome.sh/releases/download/v"${version}"/config.cfg --output ~/.welcome/config.cfg
-                    fi
-                elif which wget >/dev/null ;
-                then
-                    wget https://github.com/G2-Games/welcome.sh/releases/download/v${version}/welcome.sh --P ~/.welcome/
-                    if [[ $vernum -ge 100 ]] && [[ $overcfg -gt 0 ]]; then
-                        echo "Backing up: config.cfg >> config_old.cfg"
-                        mv ~/.welcome/config.cfg ~/.welcome/config_old.cfg
-                        wget https://github.com/G2-Games/welcome.sh/releases/download/v${version}/config.cfg --P ~/.welcome/
-                    fi
-                else
-                    echo -e "\e[31mCannot update, neither Wget nor cURL is available!\e[0m"
-                    exit 1
         fi
 
         # Check for older versions and replace bashrc lines
         lines=$(grep -sn 'bash ~/.welcome/welcome.sh' $bashrc | sed -e 's/:.*//g' && grep -sn 'bash /home/$USER/.welcome/welcome.sh' $bashrc | sed -e 's/:.*//g')
-                lines=$(printf '%s\n' $lines | sed '1!G;h;$!d' | sed ':a;N;$!ba;s/\n/ /g')
+        lines=$(printf '%s\n' "$lines" | sed '1!G;h;$!d' | sed ':a;N;$!ba;s/\n/ /g')
-                for i in $( echo "$lines" ); do
+        for i in $lines; do
             sed "${i}d" $bashrc > file.tmp && mv file.tmp $bashrc
         done
         echo 'bash ~/.welcome/welcome.sh' >> $bashrc
 
         lines=$(grep -sn 'zsh ~/.welcome/welcome.sh' $zshrc | sed -e 's/:.*//g' && grep -sn 'zsh /home/$USER/.welcome/welcome.sh' $zshrc | sed -e 's/:.*//g')
-                lines=$(printf '%s\n' $lines | sed '1!G;h;$!d' | sed ':a;N;$!ba;s/\n/ /g')
+        lines=$(printf '%s\n' "$lines" | sed '1!G;h;$!d' | sed ':a;N;$!ba;s/\n/ /g')
-                for i in $( echo "$lines" ); do
+        for i in $lines; do
             sed "${i}d" $zshrc > file.tmp && mv file.tmp $zshrc
         done
         echo 'zsh ~/.welcome/welcome.sh' >> $zshrc
@@ -140,19 +142,16 @@ if [ "$environment" = "bash" ] || [ "$environment" = "zsh" ]; then
         tput rc && tput el && tput ed
         echo -e "\e[32mUpdated to v$version! \e[0m"
         exit 0
-            else
+    fi
+
+    # Check if the user actually wishes to uninstall the script
+    univRead "Do you want to \e[31muninstall \e[35mwelcome.sh\e[0m?"
+    if ! [[ $REPLY =~ ^[Yy]$ ]]; then
         tput rc && tput el && tput ed
-                if ! [[ $1 == "auto" ]]; then
+        echo -e "\e[31mCancelled. \e[0m"
-                    echo -e "\e[35mwelcome.sh\e[0m already installed!"
-                else
         exit 0
     fi
-            fi
-        fi
 
-        univread "Do you want to \e[31muninstall \e[35mwelcome.sh\e[0m?\n\e[36mY/n\e[0m"
-
-        if [[ $REPLY =~ ^[Yy]$ ]]; then
     tput rc && tput el && tput ed
     echo "Goodbye. Uninstalling..."
     tput sc
@@ -163,25 +162,17 @@ if [ "$environment" = "bash" ] || [ "$environment" = "zsh" ]; then
 
     #remove all lines that match the string
     lines=$(grep -sn 'bash ~/.welcome/welcome.sh' $bashrc | sed -e 's/:.*//g' && grep -sn 'bash /home/$USER/.welcome/welcome.sh' $bashrc | sed -e 's/:.*//g')
-            lines=$(printf '%s\n' $lines | sed '1!G;h;$!d' | sed ':a;N;$!ba;s/\n/ /g')
+    lines=$(printf '%s\n' "$lines" | sed '1!G;h;$!d' | sed ':a;N;$!ba;s/\n/ /g')
-            for i in $( echo "$lines" ); do
+    for i in $lines; do
         sed "${i}d" $bashrc > file.tmp && mv file.tmp $bashrc
     done
 
     lines=$(grep -sn 'zsh ~/.welcome/welcome.sh' $zshrc | sed -e 's/:.*//g' && grep -sn 'zsh /home/$USER/.welcome/welcome.sh' $zshrc | sed -e 's/:.*//g')
-            lines=$(printf '%s\n' $lines | sed '1!G;h;$!d' | sed ':a;N;$!ba;s/\n/ /g')
+    lines=$(printf '%s\n' "$lines" | sed '1!G;h;$!d' | sed ':a;N;$!ba;s/\n/ /g')
-            for i in $( echo "$lines" ); do
+    for i in $lines; do
         sed "${i}d" $zshrc > file.tmp && mv file.tmp $zshrc
     done
 
     tput rc && tput el && tput ed
     echo -e "\e[36mUninstalled! \e[0m"
-        else
-            tput rc && tput el && tput ed
-            echo -e "\e[31mCancelled. \e[0m"
-            exit 0
-        fi
-    fi
-else
-    printf "\e[31;5mERROR:\e[0m \e[31;3mThis script can only be installed in Bash or Zsh.\e[0m\n"
 fi

welcome.sh

@@ -119,7 +119,7 @@ updates () {
   updchk () {
     # Check for APT
     if command -v apt-get &> /dev/null; then
-      debian=$(apt-get -s dist-upgrade -V | grep '=>' || [[ $? == 1 ]] | wc -l)
+      debian=$(apt-get -s dist-upgrade -V | grep -c '=>')
     fi
 
     # Check for different Arch things