Add more info to cli help (#802)

* add more info to cli help

* update changelog

* remove comments that are only useful for the developer

Author: Robrecht Cannoodt

CHANGELOG.md

@@ -1,6 +1,5 @@
 # Viash 0.x.x (yyyy-MM-dd): TODO Add title
 
-
 TODO add summary
 
 ## NEW FEATURES
@@ -17,6 +16,11 @@ TODO add summary
 
 * `Nextflow` runner: remove deprecated `runComponents` (PR #811).
 
+## MINOR CHANGES
+
+* `Executable`: Add more info to the --help (PR #802).
+
+
 # Viash 0.9.3 (yyyy-MM-dd): TODO Add title
 
 ## BUG FIXES

src/main/scala/io/viash/wrapper/BashWrapper.scala

@@ -731,9 +731,11 @@ object BashWrapper {
     val helpStrings = 
       """Viash built in Computational Requirements:
         |    ---cpus=INT
-        |        Number of CPUs to use
+        |        Number of CPUs to use.
         |    ---memory=STRING
         |        Amount of memory to use. Examples: 4GB, 3MiB.
+        |    $VIASH_TEMP
+        |        The temporary directory to use.
         |""".stripMargin
 
     val compArgs = List(