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Only apply altsrc input source values when set

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Closes #1373
This commit is contained in:
Dan Buch 2022-04-25 20:43:43 -04:00
parent e3aa8d3246
commit efe04493fc
Signed by: meatballhat
GPG Key ID: A12F782281063434
4 changed files with 101 additions and 100 deletions
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36
altsrc/flag.go
View File

@ -64,8 +64,7 @@ func InitInputSourceWithContext(flags []cli.Flag, createInputSource func(cCtx *c
// ApplyInputSourceValue applies a generic value to the flagSet if required
func (f *GenericFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
if f.set != nil && !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) && isc.IsSet(f.GenericFlag.Name) {
value, err := isc.Generic(f.GenericFlag.Name)
if err != nil {
return err
@ -76,15 +75,13 @@ func (f *GenericFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceCo
}
}
}
}
return nil
}
// ApplyInputSourceValue applies a StringSlice value to the flagSet if required
func (f *StringSliceFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
if f.set != nil && !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) && isc.IsSet(f.StringSliceFlag.Name) {
value, err := isc.StringSlice(f.StringSliceFlag.Name)
if err != nil {
return err
@ -99,14 +96,12 @@ func (f *StringSliceFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSour
}
}
}
}
return nil
}
// ApplyInputSourceValue applies a IntSlice value if required
func (f *IntSliceFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
if f.set != nil && !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) && isc.IsSet(f.IntSliceFlag.Name) {
value, err := isc.IntSlice(f.IntSliceFlag.Name)
if err != nil {
return err
@ -121,14 +116,12 @@ func (f *IntSliceFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceC
}
}
}
}
return nil
}
// ApplyInputSourceValue applies a Bool value to the flagSet if required
func (f *BoolFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
if f.set != nil && !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) && isc.IsSet(f.BoolFlag.Name) {
value, err := isc.Bool(f.BoolFlag.Name)
if err != nil {
return err
@ -139,14 +132,12 @@ func (f *BoolFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceConte
}
}
}
}
return nil
}
// ApplyInputSourceValue applies a String value to the flagSet if required
func (f *StringFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.IsSet(f.StringFlag.Name) {
value, err := isc.String(f.StringFlag.Name)
if err != nil {
return err
@ -157,14 +148,12 @@ func (f *StringFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceCon
}
}
}
}
return nil
}
// ApplyInputSourceValue applies a Path value to the flagSet if required
func (f *PathFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.IsSet(f.PathFlag.Name) {
value, err := isc.String(f.PathFlag.Name)
if err != nil {
return err
@ -185,14 +174,12 @@ func (f *PathFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceConte
}
}
}
}
return nil
}
// ApplyInputSourceValue applies a int value to the flagSet if required
func (f *IntFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.IsSet(f.IntFlag.Name) {
value, err := isc.Int(f.IntFlag.Name)
if err != nil {
return err
@ -201,14 +188,12 @@ func (f *IntFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContex
_ = f.set.Set(name, strconv.FormatInt(int64(value), 10))
}
}
}
return nil
}
// ApplyInputSourceValue applies a Duration value to the flagSet if required
func (f *DurationFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.IsSet(f.DurationFlag.Name) {
value, err := isc.Duration(f.DurationFlag.Name)
if err != nil {
return err
@ -217,14 +202,12 @@ func (f *DurationFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceC
_ = f.set.Set(name, value.String())
}
}
}
return nil
}
// ApplyInputSourceValue applies a Float64 value to the flagSet if required
func (f *Float64Flag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.IsSet(f.Float64Flag.Name) {
value, err := isc.Float64(f.Float64Flag.Name)
if err != nil {
return err
@ -234,7 +217,6 @@ func (f *Float64Flag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceCo
_ = f.set.Set(name, floatStr)
}
}
}
return nil
}

1
altsrc/input_source_context.go
View File

@ -14,6 +14,7 @@ import (
type InputSourceContext interface {
Source() string
IsSet(name string) bool
Int(name string) (int, error)
Duration(name string) (time.Duration, error)
Float64(name string) (float64, error)

5
altsrc/json_source_context.go
View File

@ -184,6 +184,11 @@ func (x *jsonSource) Bool(name string) (bool, error) {
return v, nil
}
func (x *jsonSource) IsSet(name string) bool {
_, err := x.getValue(name)
return err == nil
}
func (x *jsonSource) getValue(key string) (interface{}, error) {
return jsonGetValue(key, x.deserialized)
}

13
altsrc/map_input_source.go
View File

@ -244,6 +244,19 @@ func (fsm *MapInputSource) Bool(name string) (bool, error) {
return false, nil
}
// IsSet returns the truth of the key's existence in the map
func (fsm *MapInputSource) IsSet(name string) bool {
if _, exists := fsm.valueMap[name]; exists {
return exists
}
if _, exists := nestedVal(name, fsm.valueMap); exists {
return exists
}
return false
}
func incorrectTypeForFlagError(name, expectedTypeName string, value interface{}) error {
valueType := reflect.TypeOf(value)
valueTypeName := ""