nextflow 19.01.0 build 4 (#13418)

This commit changes the build script so that
it modifies the NXF_DIST directory to the package
path provided by Conda

See nextflow-io/nextflow#954


* [x] I have read the [guidelines for bioconda recipes](https://bioconda.github.io/guidelines.html).
* [ ] This PR adds a new recipe.
* [x] AFAIK, this recipe **is directly relevant to the biological sciences** (otherwise, please submit to the more general purpose [conda-forge channel](https://conda-forge.org/docs/)).
* [x] This PR updates an existing recipe.
* [ ] This PR does something else (explain below).

recipes/nextflow/build.sh

@@ -1,17 +1,6 @@
 mkdir -p $PREFIX/bin
-sed "s|^NXF_HOME=.*|NXF_HOME=$PREFIX/share/$PKG_NAME|" nextflow > $PREFIX/bin/nextflow
-
-# Use $HOME for storing some temp files (friendlier for multiuser environments)
-sed -i.bak "s|^  NXF_ASSETS=\${NXF_ASSETS:-\${NXF_HOME:-\$HOME/.nextflow}/assets}| NXF_ASSETS=\${NXF_ASSETS:=\"\$HOME/.nextflow/assets\"}|" $PREFIX/bin/nextflow
-rm -f *.bak
-
-sed -i.bak "s|NXF_LAUNCHER=\${NXF_HOME}/tmp/launcher/nextflow-\${NXF_PACK}_\${NXF_VER}/\${NXF_HOST}|NXF_LAUNCHER=\$HOME/.nextflow/tmp/launcher/nextflow-\${NXF_PACK}_\${NXF_VER}/\${NXF_HOST}|" $PREFIX/bin/nextflow
-rm -f *.bak
-
-sed -i.bak "s|^CAPSULE_CACHE_DIR=\${CAPSULE_CACHE_DIR:=\"\$NXF_HOME/capsule\"}|CAPSULE_CACHE_DIR=\${CAPSULE_CACHE_DIR:=\"\$HOME/.nextflow/capsule\"}|" $PREFIX/bin/nextflow
-rm -f *.bak
-
-sed -i.bak "s|^JAVA_KEY=\"\$NXF_HOME/|JAVA_KEY=\"\$HOME/.nextflow/|" $PREFIX/bin/nextflow
+sed "s|^NXF_DIST=.*|NXF_DIST=$PREFIX/share/$PKG_NAME/dist|" nextflow > $PREFIX/bin/nextflow
+sed -i.bak "s|^CAPSULE_CACHE_DIR=.*|CAPSULE_CACHE_DIR=\${CAPSULE_CACHE_DIR:=$PREFIX/share/$PKG_NAME/capsule}|" $PREFIX/bin/nextflow
 rm -f *.bak
 
 chmod 755 $PREFIX/bin/nextflow

recipes/nextflow/meta.yaml

@@ -5,7 +5,7 @@ package:
   version: {{ version }}
 
 build:
-  number: 3
+  number: 4
   noarch: generic
 
 source: