Merge pull request #345 from jfy133/wrong_nf_ver_fix

Fix NF trying to run when old version of nextflow

Author: apeltzer

CHANGELOG.md

@@ -36,6 +36,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 * [#327](https://github.com/nf-core/eager/pull/327) - Speed up strip_input_fastq process and make it more robust
 * [#342](https://github.com/nf-core/eager/pull/342) - Updated to match nf-core tools 1.8 linting guidelines
 * [#339](https://github.com/nf-core/eager/issues/339) - Converted unnecessary zcat + gzip to just cat for a performance boost
+* [#344](https://github.com/nf-core/eager/issues/344) - Fixed pipeline still trying to run when using old nextflow version
 
 ### `Dependencies`
 

main.nf

@@ -235,6 +235,13 @@ where_are_my_files = file("$baseDir/assets/where_are_my_files.txt")
 * SANITY CHECKING
 */
 
+// NF version check! Will replace with manifest system once allowed by nf-core/tools
+
+if( !nextflow.version.matches('>=19.10.0') ) {
+    println "This workflow requires Nextflow version 19.10.0 or greater -- You are running version $nextflow.version"
+    exit 1
+}
+
 // Validate inputs
 if ( params.fasta.isEmpty () ){
     exit 1, "Please specify --fasta with the path to your reference"