mirror of
https://github.com/cheat/cheat.git
synced 2024-09-06 19:51:36 +02:00
- Re-implemented the project in Golang, and deprecated Python entirely - Implemented several new, long-requested features - Refactored cheatsheets into a separate repository
75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
package config
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
|
|
cp "github.com/cheat/cheat/internal/cheatpath"
|
|
|
|
"github.com/mitchellh/go-homedir"
|
|
"gopkg.in/yaml.v2"
|
|
)
|
|
|
|
// Config encapsulates configuration parameters
|
|
type Config struct {
|
|
Colorize bool `yaml:colorize`
|
|
Editor string `yaml:editor`
|
|
Cheatpaths []cp.Cheatpath `yaml:cheatpaths`
|
|
Style string `yaml:style`
|
|
Formatter string `yaml:formatter`
|
|
}
|
|
|
|
// New returns a new Config struct
|
|
func New(opts map[string]interface{}, confPath string) (Config, error) {
|
|
|
|
// read the config file
|
|
buf, err := ioutil.ReadFile(confPath)
|
|
if err != nil {
|
|
return Config{}, fmt.Errorf("could not read config file: %v", err)
|
|
}
|
|
|
|
// initialize a config object
|
|
conf := Config{}
|
|
|
|
// unmarshal the yaml
|
|
err = yaml.UnmarshalStrict(buf, &conf)
|
|
if err != nil {
|
|
return Config{}, fmt.Errorf("could not unmarshal yaml: %v", err)
|
|
}
|
|
|
|
// expand ~ in config paths
|
|
for i, cheatpath := range conf.Cheatpaths {
|
|
|
|
expanded, err := homedir.Expand(cheatpath.Path)
|
|
if err != nil {
|
|
return Config{}, fmt.Errorf("failed to expand ~: %v", err)
|
|
}
|
|
|
|
conf.Cheatpaths[i].Path = expanded
|
|
}
|
|
|
|
// if an editor was not provided in the configs, look to envvars
|
|
if conf.Editor == "" {
|
|
if os.Getenv("VISUAL") != "" {
|
|
conf.Editor = os.Getenv("VISUAL")
|
|
} else if os.Getenv("EDITOR") != "" {
|
|
conf.Editor = os.Getenv("EDITOR")
|
|
} else {
|
|
return Config{}, fmt.Errorf("no editor set")
|
|
}
|
|
}
|
|
|
|
// if a chroma style was not provided, set a default
|
|
if conf.Style == "" {
|
|
conf.Style = "bw"
|
|
}
|
|
|
|
// if a chroma formatter was not provided, set a default
|
|
if conf.Formatter == "" {
|
|
conf.Formatter = "terminal16m"
|
|
}
|
|
|
|
return conf, nil
|
|
}
|