pulumi/pkg/workspace/paths.go

77 lines
2.8 KiB
Go

// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
package workspace
import (
"os"
"path/filepath"
"strings"
"github.com/pulumi/pulumi/pkg/util/fsutil"
"github.com/pulumi/pulumi/pkg/encoding"
)
const ProjectFile = "Pulumi" // the base name of a project file.
const GitDir = ".git" // the name of the folder git uses to store information
const BookkeepingDir = ".pulumi" // the name of our bookeeping folder, we store all state information here (like .git for git)
const StackDir = "stacks" // the name of the directory that holds stack information for projects.
const WorkspaceDir = "workspaces" // the name of the directory that holds workspace information for projects.
const RepoFile = "settings.json" // the name of the file that holds information specific to the entire repository.
const ConfigDir = "config" // the name of the folder that holds local configuration information.
const WorkspaceFile = "workspace.json" // the name of the file that holds workspace information.
const IgnoreFile = ".pulumiignore" // the name of the file that we use to control what information us uploaded to the service
// DetectPackage locates the closest package from the given path, searching "upwards" in the directory hierarchy. If no
// Project is found, an empty path is returned. If problems are detected, they are logged to the diag.Sink.
func DetectPackage(path string) (string, error) {
return fsutil.WalkUp(path, isProject, func(s string) bool { return !isRepositoryFolder(filepath.Join(s, BookkeepingDir)) })
}
func isGitFolder(path string) bool {
info, err := os.Stat(path)
return err == nil && info.IsDir() && info.Name() == ".git"
}
func isRepositoryFolder(path string) bool {
info, err := os.Stat(path)
if err == nil && info.IsDir() && info.Name() == BookkeepingDir {
// make sure it has a settings.json file in it
info, err := os.Stat(filepath.Join(path, RepoFile))
return err == nil && !info.IsDir()
}
return false
}
// isProject returns true if the path references what appears to be a valid project. If problems are detected -- like
// an incorrect extension -- they are logged to the provided diag.Sink (if non-nil).
func isProject(path string) bool {
return isMarkupFile(path, ProjectFile)
}
func isMarkupFile(path string, expect string) bool {
info, err := os.Stat(path)
if err != nil || info.IsDir() {
// Missing files and directories can't be markup files.
return false
}
// Ensure the base name is expected.
name := info.Name()
ext := filepath.Ext(name)
base := strings.TrimSuffix(name, ext)
if base != expect {
return false
}
// Check all supported extensions.
for _, mext := range encoding.Exts {
if name == expect+mext {
return true
}
}
return false
}