Json schema improvements

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [PR #1496](https://github.com/nf-core/rnaseq/pull/1496) - Template update for nf-core/tools v3.2.0
 - [PR #1499](https://github.com/nf-core/rnaseq/pull/1499) - Bump MultiQC module to 1.27
 - [PR #1508](https://github.com/nf-core/rnaseq/pull/1508) - Fix missing Bracken results in the MultiQC report
+- [PR #1528](https://github.com/nf-core/rnaseq/pull/1528) - Improve JSON schema validation files
 - [PR #1523](https://github.com/nf-core/rnaseq/pull/1523) - Update preprocessing subworkflow to fix linting block on trimming
 - [PR #1521](https://github.com/nf-core/rnaseq/pull/1521) - Updated Perl conda package version for local module gtf2bed for Arm compatibility.
 

assets/schema_input.json

@@ -18,21 +18,14 @@
                 "format": "file-path",
                 "exists": true,
                 "pattern": "^\\S+\\.f(ast)?q\\.gz$",
-                "errorMessage": "FastQ file for reads 1 must be provided, cannot contain spaces and must have extension '.fq.gz' or '.fastq.gz'"
+                "errorMessage": "GZIP-compressed FastQ file for reads 1 must be provided, cannot contain spaces and must have extension '.fq.gz' or '.fastq.gz'"
             },
             "fastq_2": {
-                "errorMessage": "FastQ file for reads 2 cannot contain spaces and must have extension '.fq.gz' or '.fastq.gz'",
                 "type": "string",
                 "format": "file-path",
                 "exists": true,
-                "anyOf": [
-                    {
-                        "pattern": "^\\S+\\.f(ast)?q\\.gz$"
-                    },
-                    {
-                        "maxLength": 0
-                    }
-                ]
+                "pattern": "^\\S+\\.f(ast)?q\\.gz$",
+                "errorMessage": "GZIP-compressed FastQ file for reads 2 cannot contain spaces and must have extension '.fq.gz' or '.fastq.gz'"
             },
             "strandedness": {
                 "type": "string",