Added support for Linux Mint

Request: https://github.com/arakasi72/rtinst/issues/535

scripts/rtinst

@@ -199,11 +199,11 @@ if [ $(dpkg-query -W -f='${Status}' lsb-release 2>/dev/null | grep -c "ok instal
 fi
 
 fullrel=$(lsb_release -sd)
-osname=$(lsb_release -si); osname=${osname^}
+osname=$(lsb_release -si)
 relno=$(lsb_release -sr | cut -d. -f1)
 
 # Fallback if lsb_release -si returns anything else than Ubuntu, Debian or Raspbian
-if [ ! "$osname" = "Ubuntu" ] && [ ! "$osname" = "Debian" ] && [ ! "$osname" = "Raspbian" ]; then
+if [ ! "$osname" = "ubuntu" ] && [ ! "$osname" = "debian" ] && [ ! "$osname" = "raspbian" ] && [ ! "$osname" = "Linuxmint" ]; then
   osname=$(grep -oP '(?<=^ID=).+' /etc/os-release | tr -d '"')
   osname=${osname^}
 fi
@@ -301,11 +301,11 @@ if [ "$(id -u)" != "0" ]; then
 fi
 
 # determine system
-if ([ "$osname" = "Ubuntu" ] && [ $relno -ge 16 ]) || ([ "$osname" = "Debian" ] && [ $relno -ge 9 ])  || ([ "$osname" = "Raspbian" ] && [ $relno -ge 9 ]); then
+if ([ "$osname" = "Ubuntu" ] && [ $relno -ge 16 ]) || ([ "$osname" = "Debian" ] && [ $relno -ge 9 ])  || ([ "$osname" = "Raspbian" ] && [ $relno -ge 9 ]) || ([ "$osname" = "Linuxmint" ] && [ $relno -ge 16 ]); then
   echo $fullrel
 else
  echo $fullrel
- echo "Only Ubuntu release 16 and later, and Debian and Raspbian release 9 and later, are supported"
+ echo "Only Ubuntu and Linux Mint release 16 and later, and Debian and Raspbian release 9 and later, are supported"
  echo "Your system does not appear to be supported"
  echo "Check https://github.com/arakasi72/rtinst/wiki/Installing-on-Older-OS to see if it is supported by an earlier rtinst release"
  exit
@@ -613,7 +613,7 @@ if [ $osname = "Debian" ] && ! installed unrar; then
     cp $home/rar/unrar /bin/unrar
     rm -r $home/rar
   fi
-elif [ $osname = "Ubuntu" ]; then
+elif [ $osname = "Ubuntu" || $osname = "Linuxmint" ]; then
   aptitude -q=5 -y install unrar >> $logfile 2>&1
 fi
 

scripts/rtletsencrypt

@@ -70,7 +70,7 @@ if [ $osname = "Debian" ]; then snap install core >> $logfile 2>&1; snap refresh
 # Installing Certbot
 if [ $(snap list | grep -c "certbot") = 0 ]; then
   echo "Installing certbot"
-  snap install --classic certbot >> $logfile 2>&1
+  snap -y install --classic certbot >> $logfile 2>&1
 else
   echo "certbot already installed"
 fi
@@ -80,8 +80,6 @@ if [ $(snap list | grep -c "certbot") = 0 ]; then
   exit 1
 fi
 
-#Prepare certbot command
-ln -s /snap/bin/certbot /usr/bin/certbot
 
 #Generating Certificates
 certbot -q --nginx --register-unsafely-without-email --agree-tos certonly -d $serverdn >> $logfile 2>&1

scripts/rtupdate

@@ -44,7 +44,7 @@ if [ "$fullrelno" = "17.10" ]; then
   rtdevrel=0
 fi
 
-if ([ "$osname" = "Debian" ] || [ "$osname" = "Raspbian" ] && [ $relno -ge 9 ]) || ([ "$osname" = "Ubuntu" ] && [ $relno -ge 18 ]); then
+if ([ "$osname" = "Debian" ] || [ "$osname" = "Raspbian" ] && [ $relno -ge 9 ]) || ([ "$osname" = "Ubuntu" ] && [ $relno -ge 18 ]) || ([ "$osname" = "Linuxmint" ] && [ $relno -ge 18 ]); then
   rtdevrel=0
 fi
 
@@ -157,7 +157,7 @@ if [ -z $passed_rtvers ]; then
 
 # checks if the OS is debian 9, and forces the version to 0.9.7 of it is
   if [ $rtdevrel = 0 ]; then
-    echo "For Debian 9, and Ubuntu 17.10 and later, recommend libtorrent-0.13.7/rtorrent-0.9.7 or later"
+    echo "For Debian 9, Ubuntu 17.10 or later and Linux Mint 17 or later, libtorrent-0.13.7/rtorrent-0.9.7 or later is recommended"
   fi
   
   list_version
@@ -184,7 +184,7 @@ else
   if [ $rtdevrel = 0 ]; then
     libvers='0.13.8'
     rtvers='0.9.8'
-    echo "Debian 9, and Ubuntu 17.10 and later, are only supported by libtorrent-0.13.7/rtorrent-0.9.7 or later"
+    echo "Debian 9, Ubuntu 17.10 or later and Linux Mint 17 or later are only supported by libtorrent-0.13.7/rtorrent-0.9.7 or later"
   fi
 
 fi