[bin/osh] Allow osh -O all:oil and all:strict

And minor doc updates.

doc/oil-manual.md

@@ -243,9 +243,9 @@ flags, as well as the `--` separator between flags and args.
 Append one or more strings to an array.
 
 ```
-var array = @(a 'b c')
-push :array d e
-echo @array  # prints 'ab cde'
+var array = @(1 '2 two')
+push :array three four
+echo @array  # prints 4 lines
 ```
 
 #### Future

doc/osh-quick-ref-toc.txt

@@ -119,6 +119,8 @@ X [Unsupported]   enable
                   X dirname   X basename optimizations
                   push                   sugar for 'do array.push( @(a b) )'
                   repr                   Show debug representation of vars
+                  X json-echo   X json-read  
+                  X tsv2-echo   X tsv2-read
 
 SHELL OPTIONS
   [Errors]        nounset   pipefail   errexit   inherit_errexit

osh/builtin_pure.py

@@ -101,7 +101,7 @@ def AddOptionsToArgSpec(spec):
   for short_flag, opt_name in state.SET_OPTIONS:
     spec.Option(short_flag, opt_name)
 
-  for shopt_name in state.ALL_SHOPT_OPTIONS:
+  for shopt_name in state.ALL_SHOPT_OPTIONS + state.META_OPTIONS:
     spec.ShoptOption(shopt_name)
 
 

osh/state.py

@@ -225,6 +225,8 @@ def Disable(self):
 # Used in builtin_pure.py
 ALL_SHOPT_OPTIONS = SHOPT_OPTION_NAMES + _PARSE_OPTION_NAMES
 
+META_OPTIONS = ['all:oil', 'all:strict']  # Passed to flag parser
+
 
 class ExecOpts(object):
 

spec/oil-options.test.sh

@@ -168,3 +168,11 @@ shopt -s parse-equals
 shopt -s parse-paren
 shopt -s parse-set
 ## END
+
+#### osh -O all:oil 
+$SH -O all:oil -c 'var x = @(one two three); echo @x'
+## STDOUT:
+one
+two
+three
+## END