mirror of
https://github.com/beego/bee.git
synced 2024-11-27 03:01:29 +00:00
135 lines
3.2 KiB
Go
135 lines
3.2 KiB
Go
package config
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/user"
|
|
"path"
|
|
|
|
yaml "gopkg.in/yaml.v2"
|
|
)
|
|
|
|
const (
|
|
configDir string = ".dlv"
|
|
configFile string = "config.yml"
|
|
)
|
|
|
|
// Describes a rule for substitution of path to source code file.
|
|
type SubstitutePathRule struct {
|
|
// Directory path will be substituted if it matches `From`.
|
|
From string
|
|
// Path to which substitution is performed.
|
|
To string
|
|
}
|
|
|
|
// Slice of source code path substitution rules.
|
|
type SubstitutePathRules []SubstitutePathRule
|
|
|
|
// Config defines all configuration options available to be set through the config file.
|
|
type Config struct {
|
|
// Commands aliases.
|
|
Aliases map[string][]string
|
|
// Source code path substitution rules.
|
|
SubstitutePath SubstitutePathRules `yaml:"substitute-path"`
|
|
}
|
|
|
|
// LoadConfig attempts to populate a Config object from the config.yml file.
|
|
func LoadConfig() *Config {
|
|
err := createConfigPath()
|
|
if err != nil {
|
|
fmt.Printf("Could not create config directory: %v.", err)
|
|
return nil
|
|
}
|
|
fullConfigFile, err := GetConfigFilePath(configFile)
|
|
if err != nil {
|
|
fmt.Printf("Unable to get config file path: %v.", err)
|
|
return nil
|
|
}
|
|
|
|
f, err := os.Open(fullConfigFile)
|
|
if err != nil {
|
|
createDefaultConfig(fullConfigFile)
|
|
return nil
|
|
}
|
|
defer func() {
|
|
err := f.Close()
|
|
if err != nil {
|
|
fmt.Printf("Closing config file failed: %v.", err)
|
|
}
|
|
}()
|
|
|
|
data, err := ioutil.ReadAll(f)
|
|
if err != nil {
|
|
fmt.Printf("Unable to read config data: %v.", err)
|
|
return nil
|
|
}
|
|
|
|
var c Config
|
|
err = yaml.Unmarshal(data, &c)
|
|
if err != nil {
|
|
fmt.Printf("Unable to decode config file: %v.", err)
|
|
return nil
|
|
}
|
|
|
|
return &c
|
|
}
|
|
|
|
func createDefaultConfig(path string) {
|
|
f, err := os.Create(path)
|
|
if err != nil {
|
|
fmt.Printf("Unable to create config file: %v.", err)
|
|
return
|
|
}
|
|
defer func() {
|
|
err := f.Close()
|
|
if err != nil {
|
|
fmt.Printf("Closing config file failed: %v.", err)
|
|
}
|
|
}()
|
|
err = writeDefaultConfig(f)
|
|
if err != nil {
|
|
fmt.Printf("Unable to write default configuration: %v.", err)
|
|
}
|
|
}
|
|
|
|
func writeDefaultConfig(f *os.File) error {
|
|
_, err := f.WriteString(
|
|
`# Configuration file for the delve debugger.
|
|
|
|
# This is the default configuration file. Available options are provided, but disabled.
|
|
# Delete the leading hash mark to enable an item.
|
|
|
|
# Provided aliases will be added to the default aliases for a given command.
|
|
aliases:
|
|
# command: ["alias1", "alias2"]
|
|
|
|
# Define sources path substitution rules. Can be used to rewrite a source path stored
|
|
# in program's debug information, if the sources were moved to a different place
|
|
# between compilation and debugging.
|
|
# Note that substitution rules will not be used for paths passed to "break" and "trace"
|
|
# commands.
|
|
substitute-path:
|
|
# - {from: path, to: path}
|
|
`)
|
|
return err
|
|
}
|
|
|
|
// createConfigPath creates the directory structure at which all config files are saved.
|
|
func createConfigPath() error {
|
|
path, err := GetConfigFilePath("")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return os.MkdirAll(path, 0700)
|
|
}
|
|
|
|
// GetConfigFilePath gets the full path to the given config file name.
|
|
func GetConfigFilePath(file string) (string, error) {
|
|
usr, err := user.Current()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return path.Join(usr.HomeDir, configDir, file), nil
|
|
}
|