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https://github.com/spf13/cobra
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Fix stripFlags to be more intelligent about what it parses.
This commit is contained in:
parent
5c9146990b
commit
bbdea35c49
2 changed files with 108 additions and 2 deletions
29
command.go
29
command.go
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@ -251,7 +251,23 @@ func (c *Command) resetChildrensParents() {
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}
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}
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func stripFlags(args []string) []string {
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// Test if the named flag is a boolean flag.
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func isBooleanFlag(name string, f *flag.FlagSet) bool {
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flag := f.Lookup(name)
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if flag == nil {
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return false
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}
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return flag.Value.Type() == "bool"
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}
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// Test if the named flag is a boolean flag.
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func isBooleanShortFlag(name string, f *flag.FlagSet) bool {
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result := false
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f.VisitAll(func (f *flag.Flag) { if f.Shorthand == name && f.Value.Type() == "bool" { result = true } })
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return result
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}
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func stripFlags(args []string, c *Command) []string {
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if len(args) < 1 {
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return args
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}
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@ -259,6 +275,7 @@ func stripFlags(args []string) []string {
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commands := []string{}
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inQuote := false
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inFlag := false
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for _, y := range args {
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if !inQuote {
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switch {
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@ -266,8 +283,16 @@ func stripFlags(args []string) []string {
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inQuote = true
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case strings.Contains(y, "=\""):
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inQuote = true
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case strings.HasPrefix(y, "--") && !strings.Contains(y, "="):
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// TODO: this isn't quite right, we should really check ahead for 'true' or 'false'
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inFlag = !isBooleanFlag(y[2:], c.Flags())
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case strings.HasPrefix(y, "-") && !strings.Contains(y, "=") && len(y) == 2 && !isBooleanShortFlag(y[1:], c.Flags()):
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inFlag = true
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case inFlag:
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inFlag = false
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case !strings.HasPrefix(y, "-"):
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commands = append(commands, y)
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inFlag = false
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}
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}
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@ -305,7 +330,7 @@ func (c *Command) Find(arrs []string) (*Command, []string, error) {
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innerfind = func(c *Command, args []string) (*Command, []string) {
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if len(args) > 0 && c.HasSubCommands() {
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argsWOflags := stripFlags(args)
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argsWOflags := stripFlags(args, c)
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if len(argsWOflags) > 0 {
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matches := make([]*Command, 0)
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for _, cmd := range c.commands {
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81
command_test.go
Normal file
81
command_test.go
Normal file
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@ -0,0 +1,81 @@
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package cobra
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import (
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"reflect"
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"testing"
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)
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func TestStripFlags(t *testing.T) {
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tests := []struct {
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input []string
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output []string
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}{
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{
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[]string{"foo", "bar"},
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[]string{"foo", "bar"},
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},
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{
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[]string{"foo", "--bar", "-b"},
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[]string{"foo"},
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},
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{
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[]string{"-b", "foo", "--bar", "bar"},
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[]string{},
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},
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{
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[]string{"-i10", "echo"},
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[]string{"echo"},
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},
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{
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[]string{"-i=10", "echo"},
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[]string{"echo"},
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},
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{
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[]string{"--int=100", "echo"},
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[]string{"echo"},
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},
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{
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[]string{"-ib", "echo", "-bfoo", "baz"},
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[]string{"echo", "baz"},
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},
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{
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[]string{"-i=baz", "bar", "-i", "foo", "blah"},
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[]string{"bar", "blah"},
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},
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{
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[]string{"--int=baz", "-bbar", "-i", "foo", "blah"},
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[]string{"blah"},
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},
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{
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[]string{"--cat", "bar", "-i", "foo", "blah"},
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[]string{"bar", "blah"},
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},
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{
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[]string{"-c", "bar", "-i", "foo", "blah"},
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[]string{"bar", "blah"},
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},
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}
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cmdPrint := &Command{
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Use: "print [string to print]",
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Short: "Print anything to the screen",
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Long: `an utterly useless command for testing.`,
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Run: func(cmd *Command, args []string) {
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tp = args
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},
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}
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var flagi int
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var flagstr string
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var flagbool bool
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cmdPrint.Flags().IntVarP(&flagi, "int", "i", 345, "help message for flag int")
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cmdPrint.Flags().StringVarP(&flagstr, "bar", "b", "bar", "help message for flag string")
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cmdPrint.Flags().BoolVarP(&flagbool, "cat", "c", false, "help message for flag bool")
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for _, test := range tests {
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output := stripFlags(test.input, cmdPrint)
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if !reflect.DeepEqual(test.output, output) {
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t.Errorf("expected: %v, got: %v", test.output, output)
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}
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}
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}
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