forked from openshift/origin
-
Notifications
You must be signed in to change notification settings - Fork 0
/
finder.go
67 lines (57 loc) · 1.4 KB
/
finder.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
61
62
63
64
65
66
67
package dockerfile
import (
"os"
"path/filepath"
"strings"
)
type Tester interface {
Has(dir string) (string, bool, error)
}
type StatFunc func(path string) (os.FileInfo, error)
func (t StatFunc) Has(dir string) (string, bool, error) {
path := filepath.Join(dir, "Dockerfile")
_, err := t(path)
if os.IsNotExist(err) {
return "", false, nil
}
if err != nil {
return "", false, err
}
return path, true, nil
}
func NewTester() Tester {
return StatFunc(os.Stat)
}
// Finder allows searching for Dockerfiles in a given directory
type Finder interface {
Find(dir string) ([]string, error)
}
type finder struct {
fsWalk func(dir string, fn filepath.WalkFunc) error
}
// NewFinder creates a new Dockerfile Finder
func NewFinder() Finder {
return &finder{fsWalk: filepath.Walk}
}
// Find returns a list of of found Dockerfile(s) in the given directory
func (f *finder) Find(dir string) ([]string, error) {
dockerfiles := []string{}
err := f.fsWalk(dir, func(path string, info os.FileInfo, err error) error {
if info == nil {
return nil
}
// Skip hidden directories
if info.IsDir() && strings.HasPrefix(info.Name(), ".") {
return filepath.SkipDir
}
// Add files named Dockerfile
if info.Name() == "Dockerfile" && err == nil {
relpath, err := filepath.Rel(dir, path)
if err == nil {
dockerfiles = append(dockerfiles, relpath)
}
}
return err
})
return dockerfiles, err
}