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config_type.go
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package config
import (
"fmt"
"gopkg.in/yaml.v3"
)
// This interface describes interacting with some persistent configuration for gh.
type Config interface {
Get(string, string) (string, error)
GetWithSource(string, string) (string, string, error)
Set(string, string, string) error
UnsetHost(string)
Hosts() ([]string, error)
DefaultHost() (string, error)
DefaultHostWithSource() (string, string, error)
Aliases() (*AliasConfig, error)
CheckWriteable(string, string) error
Write() error
}
type ConfigOption struct {
Key string
Description string
DefaultValue string
AllowedValues []string
}
var configOptions = []ConfigOption{
{
Key: "git_protocol",
Description: "the protocol to use for git clone and push operations",
DefaultValue: "https",
AllowedValues: []string{"https", "ssh"},
},
{
Key: "editor",
Description: "the text editor program to use for authoring text",
DefaultValue: "",
},
{
Key: "prompt",
Description: "toggle interactive prompting in the terminal",
DefaultValue: "enabled",
AllowedValues: []string{"enabled", "disabled"},
},
{
Key: "pager",
Description: "the terminal pager program to send standard output to",
DefaultValue: "",
},
{
Key: "http_unix_socket",
Description: "the path to a unix socket through which to make HTTP connection",
DefaultValue: "",
},
{
Key: "browser",
Description: "the web browser to use for opening URLs",
DefaultValue: "",
},
}
func ConfigOptions() []ConfigOption {
return configOptions
}
func ValidateKey(key string) error {
for _, configKey := range configOptions {
if key == configKey.Key {
return nil
}
}
return fmt.Errorf("invalid key")
}
type InvalidValueError struct {
ValidValues []string
}
func (e InvalidValueError) Error() string {
return "invalid value"
}
func ValidateValue(key, value string) error {
var validValues []string
for _, v := range configOptions {
if v.Key == key {
validValues = v.AllowedValues
break
}
}
if validValues == nil {
return nil
}
for _, v := range validValues {
if v == value {
return nil
}
}
return &InvalidValueError{ValidValues: validValues}
}
func NewConfig(root *yaml.Node) Config {
return &fileConfig{
ConfigMap: ConfigMap{Root: root.Content[0]},
documentRoot: root,
}
}
// NewFromString initializes a Config from a yaml string
func NewFromString(str string) Config {
root, err := parseConfigData([]byte(str))
if err != nil {
panic(err)
}
return NewConfig(root)
}
// NewBlankConfig initializes a config file pre-populated with comments and default values
func NewBlankConfig() Config {
return NewConfig(NewBlankRoot())
}
func NewBlankRoot() *yaml.Node {
return &yaml.Node{
Kind: yaml.DocumentNode,
Content: []*yaml.Node{
{
Kind: yaml.MappingNode,
Content: []*yaml.Node{
{
HeadComment: "What protocol to use when performing git operations. Supported values: ssh, https",
Kind: yaml.ScalarNode,
Value: "git_protocol",
},
{
Kind: yaml.ScalarNode,
Value: "https",
},
{
HeadComment: "What editor gh should run when creating issues, pull requests, etc. If blank, will refer to environment.",
Kind: yaml.ScalarNode,
Value: "editor",
},
{
Kind: yaml.ScalarNode,
Value: "",
},
{
HeadComment: "When to interactively prompt. This is a global config that cannot be overridden by hostname. Supported values: enabled, disabled",
Kind: yaml.ScalarNode,
Value: "prompt",
},
{
Kind: yaml.ScalarNode,
Value: "enabled",
},
{
HeadComment: "A pager program to send command output to, e.g. \"less\". Set the value to \"cat\" to disable the pager.",
Kind: yaml.ScalarNode,
Value: "pager",
},
{
Kind: yaml.ScalarNode,
Value: "",
},
{
HeadComment: "Aliases allow you to create nicknames for gh commands",
Kind: yaml.ScalarNode,
Value: "aliases",
},
{
Kind: yaml.MappingNode,
Content: []*yaml.Node{
{
Kind: yaml.ScalarNode,
Value: "co",
},
{
Kind: yaml.ScalarNode,
Value: "pr checkout",
},
},
},
{
HeadComment: "The path to a unix socket through which send HTTP connections. If blank, HTTP traffic will be handled by net/http.DefaultTransport.",
Kind: yaml.ScalarNode,
Value: "http_unix_socket",
},
{
Kind: yaml.ScalarNode,
Value: "",
},
{
HeadComment: "What web browser gh should use when opening URLs. If blank, will refer to environment.",
Kind: yaml.ScalarNode,
Value: "browser",
},
{
Kind: yaml.ScalarNode,
Value: "",
},
},
},
},
}
}