Update tox template

otc_metadata/templates/conf.py.j2

@@ -104,6 +104,9 @@ html_title = "{{ title }}"
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
+# Do not include sources into the rendered results
+html_copy_source = False
+
 # -- Options for PDF output --------------------------------------------------
 latex_documents = [
 {%- if pdf_name is defined %}

otc_metadata/templates/tox.ini.j2

@@ -21,12 +21,14 @@ deps =
   -r{toxinidir}/requirements.txt
 commands = {posargs}
 
+# This env is invoked in the periodic pipeline and is therefore responsible to
+# build all relevant docs at once.
 [testenv:docs]
 deps = -r{toxinidir}/doc/requirements.txt
 allowlist_externals =
   mkdir
   cp
-  find
+  sh
 commands =
 {%- for doc in docs %}
   {[testenv:{{ doc.type }}]commands}
@@ -57,10 +59,8 @@ deps = -r{toxinidir}/doc/requirements.txt
 allowlist_externals =
   cp
   mkdir
-  find
 commands =
   sphinx-build -W --keep-going -b html {{ loc }}/source doc/build/html/{{ doc.type }}
-  find doc/build/html -type d -name '_sources' -exec rm -rf {:} ;
 {%- if doc.type == 'api-ref' %}
   mkdir -p api-ref/build/html
   cp -av doc/build/html/api-ref api-ref/build/html
@@ -78,11 +78,12 @@ deps = -r{toxinidir}/doc/requirements.txt
 allowlist_externals =
   cp
   mkdir
-  find
+  sh
 commands =
   sphinx-build -W --keep-going -b json {{ loc }}/source doc/build/json/{{ doc.type }}
-  # Drop data useless for the search
-  find doc/build/json -type d -and ( -name '_images' -or -name '_static' -or -name '_sources' ) -exec rm -rf {:} ;
+  # Drop data useless for the search - wrap it also with sh/xargs due to bugs
+  # in tox
+  sh -c "find doc/build/json -type d -and '(' -name '_images' -or -name '_static' -or -name '_sources' ')' -print0 | xargs -0 rm -rf"
 {%- if doc.type == 'api-ref' %}
   mkdir -p api-ref/build/json
   cp -av doc/build/json/api-ref api-ref/build/json