add -1 as an optioni

Author: nvnieuwk

docs/configuration/configuration.md

@@ -97,7 +97,11 @@ validation.defaultIgnoreParams = ["param1", "param2"] // default: []
 
 ## maxErrValSize
 
-Configure the maximum characters of a value that may be shown in an error message. It takes a whole number above or equal to `1`. A value will be truncated when it goes over the maximum amount of characters. See the below example where the limit is to 20 characters:
+Configure the maximum characters of a value that may be shown in an error message. It takes a whole number above or equal to `1`. A value will be truncated when it goes over the maximum amount of characters. 
+
+Setting this option to `-1` will allow any amount of characters for values.
+
+See the below example where the limit is to 20 characters:
 
 ```
 * --test (abcdefghij...qrstuvwxyz): Value is [string] but should be [integer]

plugins/nf-schema/src/main/nextflow/validation/config/ValidationConfig.groovy

@@ -20,7 +20,7 @@ class ValidationConfig {
     final public Boolean failUnrecognisedHeaders
     final public String  parametersSchema
     final public Boolean showHiddenParams
-    final public Integer maxErrValSize
+    final public Integer maxErrValSize = 150
     final public HelpConfig help
     final public SummaryConfig summary
 
@@ -33,7 +33,13 @@ class ValidationConfig {
         failUnrecognisedParams  = config.failUnrecognisedParams                         ?: false
         failUnrecognisedHeaders = config.failUnrecognisedHeaders                        ?: false
         showHiddenParams        = config.showHiddenParams                               ?: false
-        maxErrValSize           = config.maxErrValSize && config.maxErrValSize >= 1     ? config.maxErrValSize : 150
+        if(config.maxErrValSize != null) {
+            if(config.maxErrValSize >= 1 || config.maxErrValSize == -1) {
+                maxErrValSize = config.maxErrValSize
+            } else {
+                log.warn("`validation.maxErrValSize` needs to be a value above 0 or equal to -1, defaulting to ${maxErrValSize}")
+            }
+        }
         if(config.containsKey("showHiddenParams")) {
             log.warn("configuration option `validation.showHiddenParams` is deprecated, please use `validation.help.showHidden` or the `--showHidden` parameter instead")
         }

plugins/nf-schema/src/main/nextflow/validation/validators/JsonSchemaValidator.groovy

@@ -65,7 +65,7 @@ public class JsonSchemaValidator {
 
             def String instanceLocation = error.getInstanceLocation()
             def String value = getValueFromJsonPointer(instanceLocation, rawJson)
-            if(value.size() > config.maxErrValSize) {
+            if(config.maxErrValSize >= 1 && value.size() > config.maxErrValSize) {
                 value = "${value[0..(config.maxErrValSize/2-1)]}...${value[-config.maxErrValSize/2..-1]}" as String
             }