fix variable not defined

Author: yinshiyi

nextflow.config

@@ -340,10 +340,10 @@ validation {
 \033[0;34m  |\\ | |__  __ /  ` /  \\ |__) |__         \033[0;33m}  {\033[0m
 \033[0;34m  | \\| |       \\__, \\__/ |  \\ |___     \033[0;32m\\`-._,-`-,\033[0m
                                         \033[0;32m`._,._,\'\033[0m
-\033[0;35m  nf-core/nanoseq ${manifest.version}\033[0m
+  nf-core/nanoseq v3.1.0
 -\033[2m----------------------------------------------------\033[0m-
 """
-        afterText = """${manifest.doi ? "\n* The pipeline\n" : ""}${manifest.doi.tokenize(",").collect { "    https://doi.org/${it.trim().replace('https://doi.org/','')}"}.join("\n")}${manifest.doi ? "\n" : ""}
+        afterText = """
 * The nf-core framework
     https://doi.org/10.1038/s41587-020-0439-x
 
@@ -352,8 +352,23 @@ validation {
 """
     }
     summary {
-        beforeText = validation.help.beforeText
-        afterText = validation.help.afterText
+        beforeText = """
+-\033[2m----------------------------------------------------\033[0m-
+                                        \033[0;32m,--.\033[0;30m/\033[0;32m,-.\033[0m
+\033[0;34m        ___     __   __   __   ___     \033[0;32m/,-._.--~\'\033[0m
+\033[0;34m  |\\ | |__  __ /  ` /  \\ |__) |__         \033[0;33m}  {\033[0m
+\033[0;34m  | \\| |       \\__, \\__/ |  \\ |___     \033[0;32m\\`-._,-`-,\033[0m
+                                        \033[0;32m`._,._,\'\033[0m
+  nf-core/nanoseq v3.1.0
+-\033[2m----------------------------------------------------\033[0m-
+"""
+        afterText = """
+* The nf-core framework
+    https://doi.org/10.1038/s41587-020-0439-x
+
+* Software dependencies
+    https://github.com/nf-core/nanoseq/blob/master/CITATIONS.md
+"""
     }
 }