30774c7345
VAGRANT_CWD was not being honored in the Go-side Vagrantfile-finding code. Add that in and also fix a couple of bugs in the path walking logic.
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package config
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import (
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"fmt"
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"os"
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"github.com/hashicorp/vagrant-plugin-sdk/helper/path"
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)
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// Filename is the default filename for the Vagrant configuration.
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const Filename = "Vagrantfile"
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func GetVagrantfileName() string {
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if f := os.Getenv("VAGRANT_VAGRANTFILE"); f != "" {
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return f
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}
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return Filename
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}
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// FindPath looks for our configuration file starting at "start" and
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// traversing parent directories until it is found. If it is found, the
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// path is returned. If it is not found, an empty string is returned.
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// Error will be non-nil only if an error occurred.
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//
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// If start is empty, start will be the current working directory. If
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// filename is empty, it will default to the Filename constant.
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func FindPath(dir path.Path, filename string) (p path.Path, err error) {
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if dir == nil {
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cwd, ok := os.LookupEnv("VAGRANT_CWD")
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if ok {
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if _, err := os.Stat(cwd); os.IsNotExist(err) {
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return nil, fmt.Errorf("VAGRANT_CWD set to path (%s) that does not exist", cwd)
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} else {
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dir = path.NewPath(cwd)
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}
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} else {
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cwd, err := os.Getwd()
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if err != nil {
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return nil, err
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}
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dir = path.NewPath(cwd)
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}
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}
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if filename == "" {
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filename = GetVagrantfileName()
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}
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p = dir
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for {
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p = p.Join(filename)
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if _, err = os.Stat(p.String()); err == nil || !os.IsNotExist(err) {
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return
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}
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// since we just tacked a filename on above, the first Parent() call is
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// the directory of the file and the second is the actual parent dir
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if p.Parent().String() == p.Parent().Parent().String() {
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return nil, nil
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}
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p = p.Parent().Parent()
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}
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}
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