oh-my-posh/environment.go
2020-09-24 19:34:19 +02:00

119 lines
2.4 KiB
Go
Executable file

package main
import (
"log"
"os"
"os/exec"
"os/user"
"runtime"
"strings"
"github.com/distatus/battery"
ps "github.com/mitchellh/go-ps"
)
type environmentInfo interface {
getenv(key string) string
getwd() (string, error)
getPathSeperator() string
getCurrentUser() (*user.User, error)
isRunningAsRoot() bool
getHostName() (string, error)
getRuntimeGOOS() string
hasCommand(command string) bool
runCommand(command string, args ...string) string
runShellCommand(shell string, command string) string
lastErrorCode() int
getArgs() *args
getBatteryInfo() (*battery.Battery, error)
getShellName() string
}
type environment struct {
args *args
}
func (env *environment) getenv(key string) string {
return os.Getenv(key)
}
func (env *environment) getwd() (string, error) {
return os.Getwd()
}
func (env *environment) getPathSeperator() string {
return string(os.PathSeparator)
}
func (env *environment) getCurrentUser() (*user.User, error) {
return user.Current()
}
func (env *environment) getHostName() (string, error) {
hostName, err := os.Hostname()
if err != nil {
return "", err
}
return cleanHostName(hostName), nil
}
func (env *environment) getRuntimeGOOS() string {
return runtime.GOOS
}
func (env *environment) runCommand(command string, args ...string) string {
out, err := exec.Command(command, args...).Output()
if err != nil {
return ""
}
return strings.TrimSpace(string(out))
}
func (env *environment) runShellCommand(shell string, command string) string {
out, err := exec.Command(shell, "-c", command).Output()
if err != nil {
log.Println(err)
return ""
}
return strings.TrimSpace(string(out))
}
func (env *environment) hasCommand(command string) bool {
_, err := exec.LookPath(command)
return err == nil
}
func (env *environment) lastErrorCode() int {
return *env.args.ErrorCode
}
func (env *environment) getArgs() *args {
return env.args
}
func (env *environment) getBatteryInfo() (*battery.Battery, error) {
return battery.Get(0)
}
func (env *environment) getShellName() string {
pid := os.Getppid()
p, err := ps.FindProcess(pid)
if err != nil {
return "unknown"
}
shell := strings.Replace(p.Executable(), ".exe", "", 1)
return strings.Trim(shell, " ")
}
func cleanHostName(hostName string) string {
garbage := []string{
".lan",
".local",
}
for _, g := range garbage {
hostName = strings.Replace(hostName, g, "", 1)
}
return hostName
}