more parsing work

1 files changed, 12 insertions, 1 deletions

diff --git a/parse.go b/parse.go
index cc2161e..bdeec1d 100644
--- a/parse.go
+++ b/parse.go
@@ -12,6 +12,7 @@ import (
 	"strings"
 
 	scalar "github.com/alexflint/go-scalar"
+	"go.wit.com/lib/protobuf/argvpb"
 )
 
 // path represents a sequence of steps to find the output location for an
@@ -97,6 +98,15 @@ func Register(dest ...interface{}) {
 }
 
 // MustParse processes command line arguments and exits upon failure
+func MustParseArgv(dest ...interface{}) *Parser {
+	register = append(register, dest...)
+	if len(overrideFlags) == 0 {
+		overrideFlags = append(overrideFlags, argvpb.Real()...)
+	}
+	return mustParse(Config{Exit: mustParseExit, Out: mustParseOut}, register...)
+}
+
+// MustParse processes command line arguments and exits upon failure
 func MustParse(dest ...interface{}) *Parser {
 	register = append(register, dest...)
 	return mustParse(Config{Exit: mustParseExit, Out: mustParseOut}, register...)
@@ -127,6 +137,7 @@ func Parse(dest ...interface{}) error {
 // flags gets all command line arguments other than the first (program name)
 func flags() []string {
 	if len(overrideFlags) > 0 {
+		// fmt.Fprintf(os.Stderr, "got to overrideFlags() (%v)\n", overrideFlags)
 		return overrideFlags
 	}
 	if len(os.Args) == 0 { // os.Args could be empty
@@ -795,7 +806,7 @@ func (p *Parser) process(args []string) error {
 		}
 	}
 	if len(positionals) > 0 {
-		return fmt.Errorf("too many positional arguments at '%s'", positionals[0])
+		return fmt.Errorf("too many positional arguments at '%s' (%v)", positionals[0], args)
 	}
 
 	// fill in defaults and check that all the required args were provided