blob: 2dd780fe3dba8b2d39746da5db3f61dd21126bbf (
plain) (
blame)
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
|
package mg
import (
"errors"
"fmt"
)
type fatalErr struct {
code int
error
}
func (f fatalErr) ExitStatus() int {
return f.code
}
type exitStatus interface {
ExitStatus() int
}
// Fatal returns an error that will cause mage to print out the
// given args and exit with the given exit code.
func Fatal(code int, args ...interface{}) error {
return fatalErr{
code: code,
error: errors.New(fmt.Sprint(args...)),
}
}
// Fatalf returns an error that will cause mage to print out the
// given message and exit with the given exit code.
func Fatalf(code int, format string, args ...interface{}) error {
return fatalErr{
code: code,
error: fmt.Errorf(format, args...),
}
}
// ExitStatus queries the error for an exit status. If the error is nil, it
// returns 0. If the error does not implement ExitStatus() int, it returns 1.
// Otherwise it retiurns the value from ExitStatus().
func ExitStatus(err error) int {
if err == nil {
return 0
}
exit, ok := err.(exitStatus)
if !ok {
return 1
}
return exit.ExitStatus()
}
|
