add check of /etc/os-release for linux distros

functions/icons.zsh

@@ -278,20 +278,18 @@ case $POWERLEVEL9K_MODE in
       FREEBSD_ICON                   $'\UF30E '             # 
       ANDROID_ICON                   $'\uF17B'              # 
       LINUX_ARCH_ICON                $'\uF300'              # 
-      LINUX_DEBIAN_ICON              $'\uF302'              # 
+      LINUX_DEBIAN_ICON              $'\uF302'              # 
-      LINUX_UBUNTU_ICON              $'\uF30C'              # 
+      LINUX_UBUNTU_ICON              $'\uF30C'              # 
-      LINUX_CENTOS_ICON              $'\uF301'              # 
+      LINUX_CENTOS_ICON              $'\uF301'              # 
-      LINUX_COREOS_ICON              $'\uF30F'              # 
+      LINUX_COREOS_ICON              $'\uF30F'              # 
-      LINUX_ELEMENTARY_ICON          $'\uF311'              # 
+      LINUX_ELEMENTARY_ICON          $'\uF311'              # 
-      LINUX_FEDORA_ICON              $'\uF303'              # 
+      LINUX_FEDORA_ICON              $'\uF303'              # 
-      LINUX_GENTOO_ICON              $'\uF310'              # 
+      LINUX_GENTOO_ICON              $'\uF310'              # 
-      LINUX_MINT_ICON                $'\uF304'              # 
+      LINUX_MINT_ICON                $'\uF304'              # 
-      LINUX_MAGEIA_ICON              $'\uF306'              # 
+      LINUX_MAGEIA_ICON              $'\uF306'              # 
-      LINUX_MANDRIVA_ICON            $'\uF307'              # 
+      LINUX_OPENSUSE_ICON            $'\uF308'              # 
-      LINUX_OPENSUSE_ICON            $'\uF308'              # 
+      LINUX_SABAYON_ICON             $'\uF313'              # 
-      LINUX_REDHAT_ICON              $'\uF309'              # 
+      LINUX_SLACKWARE_ICON           $'\uF30A'              # 
-      LINUX_SABAYON_ICON             $'\uF313'              # 
-      LINUX_SLACKWARE_ICON           $'\uF30A'              # 
       LINUX_ICON                     $'\uF17C'              # 
       SUNOS_ICON                     $'\uF185 '             # 
       HOME_ICON                      $'\uF015'              # 

functions/utilities.zsh

@@ -102,24 +102,65 @@ case $(uname) in
       OS_ICON=$(print_icon 'FREEBSD_ICON')
       ;;
     Linux)
-      OS='Linux'
+      os_release_id="$(grep -E '^ID=([a-zA-Z]*)' /etc/os-release | cut -d '=' -f 2)"
-      OS_ICON=$(print_icon 'LINUX_ICON')
+      case "$os_release_id" in
-
+        "arch")
-      # Check if the OS is debian
+        OS='Arch'
-      if [ `lsb_release -si`="Debian" ]; then
+        OS_ICON=$(print_icon 'LINUX_ARCH_ICON')
+        ;;
+        "debian")
         OS='Debian'
         OS_ICON=$(print_icon 'LINUX_DEBIAN_ICON')
-      fi
+        ;;
-      # Check if the OS is ubuntu
+       "ubuntu")
-      if [ `lsb_release -si`="Ubuntu" ]; then
         OS='Ubuntu'
-        OS_ICON=$(print_icon 'LINUX_Ubuntu_ICON')
+        OS_ICON=$(print_icon 'LINUX_UBUNTU_ICON')
-      fi
+        ;;
-      # Check if the OS is mint
+       "elementary")
-      if [ `lsb_release -si`="Mint" ]; then
+        OS='Elementary'
+        OS_ICON=$(print_icon 'LINUX_ELEMENTARY_ICON')
+        ;;
+       "fedora")
+        OS='Fedora'
+        OS_ICON=$(print_icon 'LINUX_FEDORA_ICON')
+        ;;
+       "coreos")
+        OS='CoreOS'
+        OS_ICON=$(print_icon 'LINUX_COREOS_ICON')
+        ;;
+       "gentoo")
+        OS='Gentoo'
+        OS_ICON=$(print_icon 'LINUX_GENTOO_ICON')
+        ;;
+       "mageia")
+        OS='Mageia'
+        OS_ICON=$(print_icon 'LINUX_MAGEIA_ICON')
+        ;;
+       "centos")
+        OS='CentOS'
+        OS_ICON=$(print_icon 'LINUX_CENTOS_ICON')
+        ;;
+       "opensuse"|"tumbleweed")
+        OS='OpenSUSE'
+        OS_ICON=$(print_icon 'LINUX_OPENSUSE_ICON')
+        ;;
+       "sabayon")
+        OS='Sabayon'
+        OS_ICON=$(print_icon 'LINUX_SABAYON_ICON')
+        ;;
+       "slackware")
+        OS='Slackware'
+        OS_ICON=$(print_icon 'LINUX_SLACKWARE_ICON')
+        ;;
+       "linuxmint")
         OS='Mint'
         OS_ICON=$(print_icon 'LINUX_MINT_ICON')
-      fi
+        ;;
+        *)
+        OS='Linux'
+        OS_ICON=$(print_icon 'LINUX_ICON')
+        ;;
+      esac
 
       # Check if we're running on Android
       case $(uname -o 2>/dev/null) in