many bug fixes to color emoji font

apps/Color Emoji font/install

@@ -8,16 +8,17 @@ function error {
 }
 
 cd $HOME
-mkdir ~/tmp
+rm -r ~/tmp &>/dev/null
+mkdir -p ~/tmp
 cd tmp || error "Failed to enter $HOME/tmp directory!"
 wget https://fontsdata.com/zipdown-segoeuiemoji-132714.htm || error "Failed to download Segoe UI Emoji font!"
 wget https://noto-website.storage.googleapis.com/pkgs/NotoColorEmoji-unhinted.zip || error "Failed to download Noto Color Emoji font!"
 mv zipdown-segoeuiemoji-132714.htm segoeuiemoji.zip
 unzip segoeuiemoji.zip || error "Failed to extract Segoe UI Emoji font!"
 unzip NotoColorEmoji-unhinted.zip || error "Failed to extract Noto Color Emoji font!"
+rm "$HOME/.fonts/Segoe UI.ttf" "$HOME/.fonts/Noto Color Emoji.ttf" &>/dev/null
 mkdir -p ~/.fonts &>/dev/null
-mv seguiemj.ttf "~/.fonts/Segoe UI.ttf"
-mv NotoColorEmoji.ttf "~/.fonts/Noto Color Emoji.ttf"
+mv seguiemj.ttf "$HOME/.fonts/Segoe UI.ttf" || error "Failed to move Segoe UI font to .fonts folder!"
+mv NotoColorEmoji.ttf "$HOME/.fonts/Noto Color Emoji.ttf" || error "Failed to move Noto Color Emoji font to .fonts folder!"
 fc-cache -f -v &>/dev/null
 rm -r ~/tmp
-cd $HOME