1 files changed, 155 insertions, 155 deletions
diff --git a/cmd/flag.go b/cmd/flag.go
index 24fd86d..8a9d412 100644
--- a/cmd/flag.go
+++ b/cmd/flag.go
@@ -1,155 +1,155 @@
-/*
- * flag.go - Definitions for flags and associated formatting functions.
- *
- * Copyright 2017 Google Inc.
- * Author: Joe Richey (joerichey@google.com)
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package cmd
-
-import (
-	"flag"
-	"fmt"
-	"strconv"
-	"time"
-)
-
-// Useful flags that can be used with a variety of commands.
-var (
-	HelpFlag = &BoolFlag{
-		Name:      "help",
-		ShortName: 'h',
-		Usage:     "Prints a help text for any command or sub-command.",
-	}
-	VerboseFlag = &BoolFlag{
-		Name:  "verbose",
-		Usage: "Prints additional debug messages.",
-	}
-	QuietFlag = &BoolFlag{
-		Name: "quiet",
-		Usage: `Prints nothing except for errors and uses any default
-		option instead of prompting the user.`,
-	}
-	ForceFlag = &BoolFlag{
-		Name: "force",
-		Usage: `Print no confirmation prompts or warnings and
-		automatically proceed with the requested action.`,
-	}
-)
-
-// Flag represents a flag that can be passed to a command. The Name, ArgName,
-// and Usage are used to format and display the flag.
-type Flag interface {
-	// String formats the flag as either "--name" or "--name=<argName>".
-	fmt.Stringer
-	// FullUsage is the usage for this flag with an optional default note.
-	FullUsage() string
-	// Apply sets up this flag on a flag set.
-	Apply(*flag.FlagSet)
-}
-
-// Formats as "--name" or as "--name=<argName>" if argName is present.
-func flagFormatHelper(name, argName string) string {
-	if argName != "" {
-		return fmt.Sprintf("--%s=<%s>", name, argName)
-	}
-	return fmt.Sprintf("--%s", name)
-}
-
-// Appends (default: <default>) to the usage if defaultString is present.
-func flagUsageHelper(usage, defaultString string) string {
-	if defaultString != "" {
-		usage += fmt.Sprintf(" (default: %s)", defaultString)
-	}
-	return usage
-}
-
-// BoolFlag is a Flag of type bool.
-type BoolFlag struct {
-	Name      string
-	ShortName byte
-	Usage     string
-	Default   bool
-	Value     bool
-}
-
-// String always uses the smaller format, as it has no ArgName.
-func (f *BoolFlag) String() string {
-	name := f.Name
-	if f.ShortName != 0 {
-		name += ", -" + string(f.ShortName)
-	}
-	return flagFormatHelper(name, "")
-}
-
-// FullUsage shows the default if it's true (flag is implicitly passed).
-func (f *BoolFlag) FullUsage() string {
-	if !f.Default {
-		return flagUsageHelper(f.Usage, "")
-	}
-	return flagUsageHelper(f.Usage, "true")
-}
-
-// Apply uses BoolFlag's value to set a flag.BoolVar on the FlagSet.
-func (f *BoolFlag) Apply(s *flag.FlagSet) {
-	s.BoolVar(&f.Value, f.Name, f.Default, f.Usage)
-	if f.ShortName != 0 {
-		s.BoolVar(&f.Value, string(f.ShortName), f.Default, f.Usage)
-	}
-}
-
-// StringFlag is a Flag of type string.
-type StringFlag struct {
-	Name    string
-	ArgName string
-	Usage   string
-	Default string
-	Value   string
-}
-
-func (f *StringFlag) String() string { return flagFormatHelper(f.Name, f.ArgName) }
-
-// FullUsage shows the deafult if the string is non-empty.
-func (f *StringFlag) FullUsage() string {
-	if f.Default == "" {
-		return flagUsageHelper(f.Usage, "")
-	}
-	return flagUsageHelper(f.Usage, strconv.Quote(f.Default))
-}
-
-// Apply uses StringFlag's value to set a flag.StringVar on the FlagSet.
-func (f *StringFlag) Apply(s *flag.FlagSet) { s.StringVar(&f.Value, f.Name, f.Default, f.Usage) }
-
-// DurationFlag is a Flag of type time.Duration.
-type DurationFlag struct {
-	Name    string
-	ArgName string
-	Usage   string
-	Default time.Duration
-	Value   time.Duration
-}
-
-func (f *DurationFlag) String() string { return flagFormatHelper(f.Name, f.ArgName) }
-
-// FullUsage shows the default if the duration is non-zero.
-func (f *DurationFlag) FullUsage() string {
-	if f.Default == 0 {
-		return flagUsageHelper(f.Usage, "")
-	}
-	return flagUsageHelper(f.Usage, f.Default.String())
-}
-
-// Apply uses DurationFlag's value to set a flag.DurationVar on the FlagSet.
-func (f *DurationFlag) Apply(s *flag.FlagSet) { s.DurationVar(&f.Value, f.Name, f.Default, f.Usage) }
+/*
+ * flag.go - Definitions for flags and associated formatting functions.
+ *
+ * Copyright 2017 Google Inc.
+ * Author: Joe Richey (joerichey@google.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package cmd
+
+import (
+	"flag"
+	"fmt"
+	"strconv"
+	"time"
+)
+
+// Useful flags that can be used with a variety of commands.
+var (
+	HelpFlag = &BoolFlag{
+		Name:      "help",
+		ShortName: 'h',
+		Usage:     "Prints a help text for any command or sub-command.",
+	}
+	VerboseFlag = &BoolFlag{
+		Name:  "verbose",
+		Usage: "Prints additional debug messages.",
+	}
+	QuietFlag = &BoolFlag{
+		Name: "quiet",
+		Usage: `Prints nothing except for errors and uses any default
+		option instead of prompting the user.`,
+	}
+	ForceFlag = &BoolFlag{
+		Name: "force",
+		Usage: `Print no confirmation prompts or warnings and
+		automatically proceed with the requested action.`,
+	}
+)
+
+// Flag represents a flag that can be passed to a command. The Name, ArgName,
+// and Usage are used to format and display the flag.
+type Flag interface {
+	// String formats the flag as either "--name" or "--name=<argName>".
+	fmt.Stringer
+	// FullUsage is the usage for this flag with an optional default note.
+	FullUsage() string
+	// Apply sets up this flag on a flag set.
+	Apply(*flag.FlagSet)
+}
+
+// Formats as "--name" or as "--name=<argName>" if argName is present.
+func flagFormatHelper(name, argName string) string {
+	if argName != "" {
+		return fmt.Sprintf("--%s=<%s>", name, argName)
+	}
+	return fmt.Sprintf("--%s", name)
+}
+
+// Appends (default: <default>) to the usage if defaultString is present.
+func flagUsageHelper(usage, defaultString string) string {
+	if defaultString != "" {
+		usage += fmt.Sprintf(" (default: %s)", defaultString)
+	}
+	return usage
+}
+
+// BoolFlag is a Flag of type bool.
+type BoolFlag struct {
+	Name      string
+	ShortName byte
+	Usage     string
+	Default   bool
+	Value     bool
+}
+
+// String always uses the smaller format, as it has no ArgName.
+func (f *BoolFlag) String() string {
+	name := f.Name
+	if f.ShortName != 0 {
+		name += ", -" + string(f.ShortName)
+	}
+	return flagFormatHelper(name, "")
+}
+
+// FullUsage shows the default if it's true (flag is implicitly passed).
+func (f *BoolFlag) FullUsage() string {
+	if !f.Default {
+		return flagUsageHelper(f.Usage, "")
+	}
+	return flagUsageHelper(f.Usage, "true")
+}
+
+// Apply uses BoolFlag's value to set a flag.BoolVar on the FlagSet.
+func (f *BoolFlag) Apply(s *flag.FlagSet) {
+	s.BoolVar(&f.Value, f.Name, f.Default, f.Usage)
+	if f.ShortName != 0 {
+		s.BoolVar(&f.Value, string(f.ShortName), f.Default, f.Usage)
+	}
+}
+
+// StringFlag is a Flag of type string.
+type StringFlag struct {
+	Name    string
+	ArgName string
+	Usage   string
+	Default string
+	Value   string
+}
+
+func (f *StringFlag) String() string { return flagFormatHelper(f.Name, f.ArgName) }
+
+// FullUsage shows the deafult if the string is non-empty.
+func (f *StringFlag) FullUsage() string {
+	if f.Default == "" {
+		return flagUsageHelper(f.Usage, "")
+	}
+	return flagUsageHelper(f.Usage, strconv.Quote(f.Default))
+}
+
+// Apply uses StringFlag's value to set a flag.StringVar on the FlagSet.
+func (f *StringFlag) Apply(s *flag.FlagSet) { s.StringVar(&f.Value, f.Name, f.Default, f.Usage) }
+
+// DurationFlag is a Flag of type time.Duration.
+type DurationFlag struct {
+	Name    string
+	ArgName string
+	Usage   string
+	Default time.Duration
+	Value   time.Duration
+}
+
+func (f *DurationFlag) String() string { return flagFormatHelper(f.Name, f.ArgName) }
+
+// FullUsage shows the default if the duration is non-zero.
+func (f *DurationFlag) FullUsage() string {
+	if f.Default == 0 {
+		return flagUsageHelper(f.Usage, "")
+	}
+	return flagUsageHelper(f.Usage, f.Default.String())
+}
+
+// Apply uses DurationFlag's value to set a flag.DurationVar on the FlagSet.
+func (f *DurationFlag) Apply(s *flag.FlagSet) { s.DurationVar(&f.Value, f.Name, f.Default, f.Usage) }