/
os.go
48 lines (42 loc) · 820 Bytes
/
os.go
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package resolver
import (
"io"
"os"
"path/filepath"
homedir "github.com/mitchellh/go-homedir"
)
type osFsResolver struct {
basepath string
}
func expand(p string) (string, error) {
p, err := homedir.Expand(p)
if err != nil {
return "", err
}
p, err = filepath.Abs(p)
if err != nil {
return "", err
}
return p, nil
}
// NewOsFsResolver provides resolver from Os file system
func NewOsFsResolver(basepath string) (Resolver, error) {
p, err := homedir.Expand(basepath)
if err != nil {
return nil, err
}
p, err = filepath.Abs(p)
if err != nil {
return nil, err
}
return &osFsResolver{
basepath: p,
}, nil
}
func (fs *osFsResolver) Resolve(path string) (io.ReadCloser, error) {
p, err := expand(filepath.Join(fs.basepath, path))
if err != nil {
return nil, err
}
return os.Open(p)
}