-
-
Notifications
You must be signed in to change notification settings - Fork 485
/
updateable.go
60 lines (51 loc) · 1.25 KB
/
updateable.go
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 updater
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/gopasspw/gopass/pkg/debug"
)
// IsUpdateable returns an error if this binary is not updateable
func IsUpdateable(ctx context.Context) error {
fn, err := executable(ctx)
if err != nil {
return err
}
debug.Log("File: %s", fn)
// check if this is a test binary
if strings.HasSuffix(filepath.Base(fn), ".test") {
return nil
}
// check if we want to force updateability
if uf := os.Getenv("GOPASS_FORCE_UPDATE"); uf != "" {
debug.Log("updateable due to force flag")
return nil
}
// check if file is in GOPATH
if gp := os.Getenv("GOPATH"); strings.HasPrefix(fn, gp) {
return fmt.Errorf("use go get -u to update binary in GOPATH")
}
// check file
fi, err := os.Stat(fn)
if err != nil {
return err
}
if !fi.Mode().IsRegular() {
return fmt.Errorf("not a regular file")
}
if err := canWrite(fn); err != nil {
return fmt.Errorf("can not write %q: %w", fn, err)
}
// no need to check the directory since we'll be writing to the destination file directly
return nil
}
var executable = func(ctx context.Context) (string, error) {
path, err := os.Executable()
if err != nil {
return path, err
}
path, err = filepath.EvalSymlinks(path)
return path, err
}