"main" is good enough

Author: mr-c

concepts.md

@@ -366,12 +366,12 @@ of [process requirements](#Requirements_and_hints).
 The generic execution sequence of a CWL process (including workflows and
 command line line tools) is as follows.
 
-1. Load, process and validate a CWL document, yielding one or more process objects.
 1. Load input object.
+1. Load, process and validate a CWL document, yielding one or more process objects.
 1. If there are multiple process objects (due to [`$graph`](SchemaSalad.html#Document_graph))
 and which process object to start with is not specified in the input object (via
 a [`cwl:tool`](#Executing_CWL_documents_as_scripts) entry) or by any other means
-(like a URL fragment) then choose the process with the `id` of "#main".
+(like a URL fragment) then choose the process with the `id` of "#main" or "main".
 1. Validate the input object against the `inputs` schema for the process.
 1. Validate process requirements are met.
 1. Perform any further setup required by the specific process type.

conformance_tests.yaml

@@ -3209,3 +3209,13 @@
   doc: Test use of $graph without specifying which process to run
   tags: [ required, command_line_tool ]
 
+- tool: tests/echo-tool-packed2.cwl
+  job: tests/env-job.json
+  output:
+    {"out": "hello test env\n"}
+  label: any_input_param_graph_no_default_hashmain
+  doc: |
+    Test use of $graph without specifying which process to run,
+    hash-prefixed "main"
+  tags: [ required, command_line_tool ]
+

tests/echo-tool-packed.cwl

@@ -1,5 +1,5 @@
 cwlVersion: v1.1.0-dev1
-$graph: 
+$graph:
   - class: CommandLineTool
     id: first
     inputs:
@@ -15,7 +15,7 @@ $graph:
     baseCommand: [ echo, first ]
     stdout: out.txt
   - class: CommandLineTool
-    id: '#main'
+    id: main
     inputs:
       in:
         type: Any

tests/echo-tool-packed2.cwl

@@ -0,0 +1,31 @@
+cwlVersion: v1.1.0-dev1
+$graph:
+  - class: CommandLineTool
+    id: first
+    inputs:
+      in:
+        type: Any
+    outputs:
+      out:
+        type: string
+        outputBinding:
+          glob: out.txt
+          loadContents: true
+          outputEval: $(self[0].contents)
+    baseCommand: [ echo, first ]
+    stdout: out.txt
+  - class: CommandLineTool
+    id: '#main'
+    inputs:
+      in:
+        type: Any
+        inputBinding: {}
+    outputs:
+      out:
+        type: string
+        outputBinding:
+          glob: out.txt
+          loadContents: true
+          outputEval: $(self[0].contents)
+    baseCommand: echo
+    stdout: out.txt