87 lines
1.5 KiB
Go
87 lines
1.5 KiB
Go
|
package gitmedia
|
||
|
|
||
|
import (
|
||
|
"bytes"
|
||
|
"flag"
|
||
|
"fmt"
|
||
|
"io"
|
||
|
"log"
|
||
|
"os"
|
||
|
"path/filepath"
|
||
|
"runtime/debug"
|
||
|
"strings"
|
||
|
"time"
|
||
|
)
|
||
|
|
||
|
var (
|
||
|
Debugging = false
|
||
|
ErrorBuffer = &bytes.Buffer{}
|
||
|
ErrorWriter = io.MultiWriter(os.Stderr, ErrorBuffer)
|
||
|
)
|
||
|
|
||
|
func Panic(err error, format string, args ...interface{}) {
|
||
|
line := fmt.Sprintf(format, args...)
|
||
|
fmt.Fprintln(ErrorWriter, line)
|
||
|
|
||
|
if err != nil {
|
||
|
Debug(err.Error())
|
||
|
logErr := logPanic(err)
|
||
|
if logErr != nil {
|
||
|
fmt.Fprintln(os.Stderr, "Unable to log panic:")
|
||
|
panic(logErr)
|
||
|
}
|
||
|
}
|
||
|
os.Exit(2)
|
||
|
}
|
||
|
|
||
|
func Debug(format string, args ...interface{}) {
|
||
|
if !Debugging {
|
||
|
return
|
||
|
}
|
||
|
log.Printf(format, args...)
|
||
|
}
|
||
|
|
||
|
func SetupDebugging(flagset *flag.FlagSet) {
|
||
|
if flagset == nil {
|
||
|
flag.BoolVar(&Debugging, "debug", false, "Turns debugging on")
|
||
|
} else {
|
||
|
flagset.BoolVar(&Debugging, "debug", false, "Turns debugging on")
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func logPanic(loggedError error) error {
|
||
|
if err := os.MkdirAll(LocalLogDir, 0744); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
now := time.Now()
|
||
|
name := now.Format("2006-01-02T15:04:05.999999999")
|
||
|
full := filepath.Join(LocalLogDir, name+".log")
|
||
|
|
||
|
file, err := os.Create(full)
|
||
|
if err != nil {
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
defer file.Close()
|
||
|
|
||
|
fmt.Fprintf(file, "$ %s", filepath.Base(os.Args[0]))
|
||
|
if len(os.Args) > 0 {
|
||
|
fmt.Fprintf(file, " %s", strings.Join(os.Args[1:], " "))
|
||
|
}
|
||
|
fmt.Fprintln(file, "")
|
||
|
fmt.Fprintln(file, "")
|
||
|
|
||
|
file.Write(ErrorBuffer.Bytes())
|
||
|
fmt.Fprintln(file, "")
|
||
|
|
||
|
fmt.Fprintln(file, loggedError.Error())
|
||
|
file.Write(debug.Stack())
|
||
|
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
func init() {
|
||
|
log.SetOutput(ErrorWriter)
|
||
|
}
|