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feat(encoding): integrate dotenv codec into Viper 

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>
This commit is contained in:
Mark Sagi-Kazar 2021-07-20 01:46:45 +02:00 committed by Márk Sági-Kazár
parent 1d11247e33
commit 04d3a0cb02
1 changed files with 13 additions and 24 deletions
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37
viper.go
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@ -39,9 +39,9 @@ import (
"github.com/spf13/afero"
"github.com/spf13/cast"
"github.com/spf13/pflag"
"github.com/subosito/gotenv"
"github.com/spf13/viper/internal/encoding"
"github.com/spf13/viper/internal/encoding/dotenv"
"github.com/spf13/viper/internal/encoding/hcl"
"github.com/spf13/viper/internal/encoding/ini"
"github.com/spf13/viper/internal/encoding/javaproperties"
@ -367,6 +367,16 @@ func (v *Viper) resetEncoding() {
decoderRegistry.RegisterDecoder("prop", codec)
}
{
codec := &dotenv.Codec{}
encoderRegistry.RegisterEncoder("dotenv", codec)
decoderRegistry.RegisterDecoder("dotenv", codec)
encoderRegistry.RegisterEncoder("env", codec)
decoderRegistry.RegisterDecoder("env", codec)
}
v.encoderRegistry = encoderRegistry
v.decoderRegistry = decoderRegistry
}
@ -1667,20 +1677,11 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error {
buf.ReadFrom(in)
switch format := strings.ToLower(v.getConfigType()); format {
case "yaml", "yml", "json", "toml", "hcl", "tfvars", "ini", "properties", "props", "prop":
case "yaml", "yml", "json", "toml", "hcl", "tfvars", "ini", "properties", "props", "prop", "dotenv", "env":
err := v.decoderRegistry.Decode(format, buf.Bytes(), c)
if err != nil {
return ConfigParseError{err}
}
case "dotenv", "env":
env, err := gotenv.StrictParse(buf)
if err != nil {
return ConfigParseError{err}
}
for k, v := range env {
c[k] = v
}
}
insensitiviseMap(c)
@ -1691,7 +1692,7 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error {
func (v *Viper) marshalWriter(f afero.File, configType string) error {
c := v.AllSettings()
switch configType {
case "yaml", "yml", "json", "toml", "hcl", "tfvars", "ini", "prop", "props", "properties":
case "yaml", "yml", "json", "toml", "hcl", "tfvars", "ini", "prop", "props", "properties", "dotenv", "env":
b, err := v.encoderRegistry.Encode(configType, c)
if err != nil {
return ConfigMarshalError{err}
@ -1701,18 +1702,6 @@ func (v *Viper) marshalWriter(f afero.File, configType string) error {
if err != nil {
return ConfigMarshalError{err}
}
case "dotenv", "env":
lines := []string{}
for _, key := range v.AllKeys() {
envName := strings.ToUpper(strings.Replace(key, ".", "_", -1))
val := v.Get(key)
lines = append(lines, fmt.Sprintf("%v=%v", envName, val))
}
s := strings.Join(lines, "\n")
if _, err := f.WriteString(s); err != nil {
return ConfigMarshalError{err}
}
}
return nil
}