1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
package log
import (
"fmt"
"io"
"os"
"runtime/debug"
"strings"
"time"
)
var (
UICleanup = func() {}
BuildInfo string
)
// PanicHandler tries to restore the terminal. A stack trace is written to
// aerc-crash.log and then passed on if a panic occurs.
func PanicHandler() {
r := recover()
if r == nil {
return
}
UICleanup()
filename := time.Now().Format("/tmp/aerc-crash-20060102-150405.log")
panicLog, err := os.OpenFile(filename, os.O_SYNC|os.O_APPEND|os.O_CREATE|os.O_WRONLY|os.O_EXCL, 0o600)
if err != nil {
// we tried, not possible. bye
panic(r)
}
defer panicLog.Close()
outputs := io.MultiWriter(panicLog, os.Stderr)
// if any error happens here, we do not care.
fmt.Fprintln(panicLog, strings.Repeat("#", 80))
fmt.Fprint(panicLog, strings.Repeat(" ", 34))
fmt.Fprintln(panicLog, "PANIC CAUGHT!")
fmt.Fprint(panicLog, strings.Repeat(" ", 24))
fmt.Fprintln(panicLog, time.Now().Format("2006-01-02T15:04:05.000000-0700"))
fmt.Fprintln(panicLog, strings.Repeat("#", 80))
fmt.Fprintf(outputs, "%s\n", panicMessage)
fmt.Fprintf(outputs, "Version: %s\n", BuildInfo)
fmt.Fprintf(panicLog, "Error: %v\n\n", r)
panicLog.Write(debug.Stack()) //nolint:errcheck // we are already in a panic, so not much we can do here
fmt.Fprintf(os.Stderr, "\nThis error was also written to: %s\n", filename)
panic(r)
}
const panicMessage = `
aerc has encountered a critical error and has terminated. Please help us fix
this by sending this log and the steps to reproduce the crash to:
~rjarry/aerc-devel@lists.sr.ht
Thank you
`
|
