From b76f239c830c76b76bc6baa60cfb2ae34aaf60c5 Mon Sep 17 00:00:00 2001
From: Sebastiaan van Stijn <github@gone.nl>
Date: Fri, 8 May 2020 13:40:56 +0200
Subject: [PATCH] DEBUG: reduce test, and print debug for reordered args

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
---
 command.go      | 13 +++++++------
 command_test.go | 39 ++++++++++++++++++---------------------
 2 files changed, 25 insertions(+), 27 deletions(-)

diff --git a/command.go b/command.go
index 24e9e5c572..63c252eef0 100644
--- a/command.go
+++ b/command.go
@@ -189,9 +189,11 @@ func (c *Command) parseFlags(args Args, shellComplete bool) (*flag.FlagSet, erro
 		return set, set.Parse(append([]string{"--"}, args...))
 	}
 
+	fmt.Println("before reordering:", strings.Join(args, ","))
 	if !c.SkipArgReorder {
 		args = reorderArgs(c.Flags, args)
 	}
+	fmt.Println("after reordering: ", strings.Join(args, ","))
 
 	set, err := c.newFlagSet()
 	if err != nil {
@@ -265,13 +267,12 @@ func argIsFlag(commandFlags []Flag, arg string) bool {
 	if !strings.HasPrefix(arg, "-") {
 		return false
 	}
-	// this line turns `--flag` into `flag`
 	if strings.HasPrefix(arg, "--") {
-		arg = strings.Replace(arg, "-", "", 2)
-	}
-	// this line turns `-flag` into `flag`
-	if strings.HasPrefix(arg, "-") {
-		arg = strings.Replace(arg, "-", "", 1)
+		// this line turns `--flag` into `flag`
+		arg = strings.TrimPrefix(arg, "--")
+	} else {
+		// this line turns `-flag` into `flag`
+		arg = strings.TrimPrefix(arg, "-")
 	}
 	// this line turns `flag=value` into `flag`
 	arg = strings.Split(arg, "=")[0]
diff --git a/command_test.go b/command_test.go
index 627acbaf51..96ad4a4edf 100644
--- a/command_test.go
+++ b/command_test.go
@@ -6,7 +6,6 @@ import (
 	"flag"
 	"fmt"
 	"io/ioutil"
-	"sort"
 	"strings"
 	"testing"
 )
@@ -122,25 +121,25 @@ func TestParseAndRunHyphenValues(t *testing.T) {
 		expectedArgs []string
 		expectedOpt string
 	}{
-		{[]string{"foo", "test", "arg1"}, []string{"arg1"}, ""},
-		{[]string{"foo", "test", "arg1", "arg2"}, []string{"arg1", "arg2"}, ""},
-		{[]string{"foo", "test", "--opt", "opt-value"}, []string{}, "opt-value"},
-		{[]string{"foo", "test", "--opt", "opt-value", "arg1"}, []string{"arg1"}, "opt-value"},
-		{[]string{"foo", "test", "--opt", "opt-value", "arg1", "arg2"}, []string{"arg1", "arg2"}, "opt-value"},
-		{[]string{"foo", "test", "arg1", "--opt", "opt-value"}, []string{"arg1"}, "opt-value"},
-		{[]string{"foo", "test", "arg1", "--opt", "opt-value", "arg2"}, []string{"arg1", "arg2"}, "opt-value"},
-
-		{[]string{"foo", "test", "--opt", "-opt-value"}, []string{}, "-opt-value"},
+		// {[]string{"foo", "test", "arg1"}, []string{"arg1"}, ""},
+		// {[]string{"foo", "test", "arg1", "arg2"}, []string{"arg1", "arg2"}, ""},
+		// {[]string{"foo", "test", "--opt", "opt-value"}, []string{}, "opt-value"},
+		// {[]string{"foo", "test", "--opt", "opt-value", "arg1"}, []string{"arg1"}, "opt-value"},
+		// {[]string{"foo", "test", "--opt", "opt-value", "arg1", "arg2"}, []string{"arg1", "arg2"}, "opt-value"},
+		// {[]string{"foo", "test", "arg1", "--opt", "opt-value"}, []string{"arg1"}, "opt-value"},
+		// {[]string{"foo", "test", "arg1", "--opt", "opt-value", "arg2"}, []string{"arg1", "arg2"}, "opt-value"},
+
+		// {[]string{"foo", "test", "--opt", "-opt-value"}, []string{}, "-opt-value"},
 		{[]string{"foo", "test", "--opt", "-opt-value", "arg1"}, []string{"arg1"}, "-opt-value"},
-		{[]string{"foo", "test", "--opt", "-opt-value", "arg1", "arg2"}, []string{"arg1", "arg2"}, "-opt-value"},
-		{[]string{"foo", "test", "arg1", "--opt", "-opt-value"}, []string{"arg1"}, "-opt-value"},
-		{[]string{"foo", "test", "arg1", "--opt", "-opt-value", "arg2"}, []string{"arg1", "arg2"}, "-opt-value"},
-
-		{[]string{"foo", "test", "--opt", "--opt-value"}, []string{}, "--opt-value"},
-		{[]string{"foo", "test", "--opt", "--opt-value", "arg1"}, []string{"arg1"}, "--opt-value"},
-		{[]string{"foo", "test", "--opt", "--opt-value", "arg1", "arg2"}, []string{"arg1", "arg2"}, "--opt-value"},
-		{[]string{"foo", "test", "arg1", "--opt", "--opt-value"}, []string{"arg1"}, "--opt-value"},
-		{[]string{"foo", "test", "arg1", "--opt", "--opt-value", "arg2"}, []string{"arg1", "arg2"}, "--opt-value"},
+		// {[]string{"foo", "test", "--opt", "-opt-value", "arg1", "arg2"}, []string{"arg1", "arg2"}, "-opt-value"},
+		// {[]string{"foo", "test", "arg1", "--opt", "-opt-value"}, []string{"arg1"}, "-opt-value"},
+		// {[]string{"foo", "test", "arg1", "--opt", "-opt-value", "arg2"}, []string{"arg1", "arg2"}, "-opt-value"},
+		//
+		// {[]string{"foo", "test", "--opt", "--opt-value"}, []string{}, "--opt-value"},
+		// {[]string{"foo", "test", "--opt", "--opt-value", "arg1"}, []string{"arg1"}, "--opt-value"},
+		// {[]string{"foo", "test", "--opt", "--opt-value", "arg1", "arg2"}, []string{"arg1", "arg2"}, "--opt-value"},
+		// {[]string{"foo", "test", "arg1", "--opt", "--opt-value"}, []string{"arg1"}, "--opt-value"},
+		// {[]string{"foo", "test", "arg1", "--opt", "--opt-value", "arg2"}, []string{"arg1", "arg2"}, "--opt-value"},
 	}
 
 	for _, tc := range cases {
@@ -157,8 +156,6 @@ func TestParseAndRunHyphenValues(t *testing.T) {
 				Description: "testing",
 				Action: func(c *Context) error {
 					args = c.Args()
-					// TODO remove this; looks like v1.22.0 returns args in a different order
-					sort.Strings(args)
 					opt = c.String("opt")
 					return nil
 				},