show required Riru version name

Author: RikkaW

module.example.gradle

@@ -1,6 +1,7 @@
 ext {
     moduleId = "template" // FIXME replace with yours
     riruApiVersion = 6
+    riruMinVersionName = "v21.0"
 
     moduleProp = [
             name       : "Template", // FIXME replace with yours

module/build.gradle

@@ -64,6 +64,7 @@ android.libraryVariants.all { variant ->
             filter { line ->
                 line.replaceAll('%%%RIRU_MODULE_ID%%%', moduleId)
                         .replaceAll('%%%RIRU_MIN_API_VERSION%%%', riruApiVersion.toString())
+                        .replaceAll('%%%RIRU_MIN_VERSION_NAME%%%', riruMinVersionName)
             }
             filter(FixCrLfFilter.class,
                     eol: FixCrLfFilter.CrLf.newInstance("lf"))

template/magisk_module/riru.sh

@@ -3,6 +3,7 @@ RIRU_PATH="/data/misc/riru"
 RIRU_MODULE_ID="%%%RIRU_MODULE_ID%%%"
 RIRU_MODULE_PATH="$RIRU_PATH/modules/$RIRU_MODULE_ID"
 RIRU_MIN_API_VERSION=%%%RIRU_MIN_API_VERSION%%%
+RIRU_MIN_VERSION_NAME="%%%RIRU_MIN_VERSION_NAME%%%"
 
 abort_clean() {
   rm -rf "$MODPATH"
@@ -13,16 +14,16 @@ check_riru_version() {
   if [ ! -f "$RIRU_PATH/api_version" ] && [ ! -f "$RIRU_PATH/api_version.new" ]; then
     ui_print    "*********************************************************"
     ui_print    "! Riru is not installed"
-    ui_print    "! Please install Riru (Riru - Core) from Magisk Manager or https://github.com/RikkaApps/Riru/releases"
+    ui_print    "! Please install Riru from Magisk Manager or https://github.com/RikkaApps/Riru/releases"
     abort_clean "*********************************************************"
   fi
   RIRU_API_VERSION=$(cat "$RIRU_PATH/api_version.new") || RIRU_API_VERSION=$(cat "$RIRU_PATH/api_version") || RIRU_API_VERSION=0
   [ "$RIRU_API_VERSION" -eq "$RIRU_API_VERSION" ] || RIRU_API_VERSION=0
   ui_print "- Riru API version: $RIRU_API_VERSION"
   if [ "$RIRU_API_VERSION" -lt $RIRU_MIN_API_VERSION ]; then
     ui_print    "*********************************************************"
-    ui_print    "! The latest version of Riru is required"
-    ui_print    "! Please install Riru (Riru - Core) from Magisk Manager or https://github.com/RikkaApps/Riru/releases"
+    ui_print    "! Riru $RIRU_MIN_VERSION_NAME or above is required"
+    ui_print    "! Please upgrade Riru from Magisk Manager or https://github.com/RikkaApps/Riru/releases"
     abort_clean "*********************************************************"
   fi
 }