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-rw-r--r--vendor/github.com/urfave/cli/v2/flag_bool.go106
1 files changed, 106 insertions, 0 deletions
diff --git a/vendor/github.com/urfave/cli/v2/flag_bool.go b/vendor/github.com/urfave/cli/v2/flag_bool.go
new file mode 100644
index 000000000..bc9ea35d0
--- /dev/null
+++ b/vendor/github.com/urfave/cli/v2/flag_bool.go
@@ -0,0 +1,106 @@
+package cli
+
+import (
+ "flag"
+ "fmt"
+ "strconv"
+)
+
+// BoolFlag is a flag with type bool
+type BoolFlag struct {
+ Name string
+ Aliases []string
+ Usage string
+ EnvVars []string
+ FilePath string
+ Required bool
+ Hidden bool
+ Value bool
+ DefaultText string
+ Destination *bool
+ HasBeenSet bool
+}
+
+// IsSet returns whether or not the flag has been set through env or file
+func (f *BoolFlag) IsSet() bool {
+ return f.HasBeenSet
+}
+
+// String returns a readable representation of this value
+// (for usage defaults)
+func (f *BoolFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Names returns the names of the flag
+func (f *BoolFlag) Names() []string {
+ return flagNames(f.Name, f.Aliases)
+}
+
+// IsRequired returns whether or not the flag is required
+func (f *BoolFlag) IsRequired() bool {
+ return f.Required
+}
+
+// TakesValue returns true of the flag takes a value, otherwise false
+func (f *BoolFlag) TakesValue() bool {
+ return false
+}
+
+// GetUsage returns the usage string for the flag
+func (f *BoolFlag) GetUsage() string {
+ return f.Usage
+}
+
+// GetValue returns the flags value as string representation and an empty
+// string if the flag takes no value at all.
+func (f *BoolFlag) GetValue() string {
+ return ""
+}
+
+// Apply populates the flag given the flag set and environment
+func (f *BoolFlag) Apply(set *flag.FlagSet) error {
+ if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
+ if val != "" {
+ valBool, err := strconv.ParseBool(val)
+
+ if err != nil {
+ return fmt.Errorf("could not parse %q as bool value for flag %s: %s", val, f.Name, err)
+ }
+
+ f.Value = valBool
+ f.HasBeenSet = true
+ }
+ }
+
+ for _, name := range f.Names() {
+ if f.Destination != nil {
+ set.BoolVar(f.Destination, name, f.Value, f.Usage)
+ continue
+ }
+ set.Bool(name, f.Value, f.Usage)
+ }
+
+ return nil
+}
+
+// Bool looks up the value of a local BoolFlag, returns
+// false if not found
+func (c *Context) Bool(name string) bool {
+ if fs := lookupFlagSet(name, c); fs != nil {
+ return lookupBool(name, fs)
+ }
+ return false
+}
+
+func lookupBool(name string, set *flag.FlagSet) bool {
+ f := set.Lookup(name)
+ if f != nil {
+ parsed, err := strconv.ParseBool(f.Value.String())
+ if err != nil {
+ return false
+ }
+ return parsed
+ }
+ return false
+}