From a2e9c839aff653bf275eeb225b02697d9531599c Mon Sep 17 00:00:00 2001
From: Leon Hafner <60394289+LeonHafner@users.noreply.github.com>
Date: Mon, 9 Dec 2024 16:57:06 +0100
Subject: [PATCH] fix skip_multiqc channel not exist error

---
 workflows/chipseq.nf | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/workflows/chipseq.nf b/workflows/chipseq.nf
index ebb9613e..0e3d9e3d 100644
--- a/workflows/chipseq.nf
+++ b/workflows/chipseq.nf
@@ -524,6 +524,8 @@ workflow CHIPSEQ {
     //
     // MODULE: MultiQC
     //
+    ch_multiqc_report = Channel.empty()
+
     if (!params.skip_multiqc) {
         ch_multiqc_config        = Channel.fromPath("$projectDir/assets/multiqc_config.yml", checkIfExists: true)
         ch_multiqc_custom_config = params.multiqc_config ? Channel.fromPath( params.multiqc_config ): Channel.empty()
@@ -578,7 +580,8 @@ workflow CHIPSEQ {
         ch_multiqc_report = MULTIQC.out.report
     }
 
-    emit:multiqc_report = MULTIQC.out.report.toList() // channel: /path/to/multiqc_report.html
+    emit:
+    multiqc_report = ch_multiqc_report.toList() // channel: /path/to/multiqc_report.html
     versions       = ch_versions                 // channel: [ path(versions.yml) ]
 
 }