69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
// Copyright 2016-2018, Pulumi Corporation.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package engine
|
|
|
|
import (
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/pulumi/pulumi/pkg/workspace"
|
|
)
|
|
|
|
type Projinfo struct {
|
|
Proj *workspace.Project
|
|
Root string
|
|
}
|
|
|
|
// GetPwdMain returns the working directory and main entrypoint to use for this package.
|
|
func (projinfo *Projinfo) GetPwdMain() (string, string, error) {
|
|
pwd := projinfo.Root
|
|
main := projinfo.Proj.Main
|
|
if main == "" {
|
|
main = "."
|
|
} else {
|
|
// The path must be relative from the package root.
|
|
if filepath.IsAbs(main) {
|
|
return "", "", errors.New("project 'main' must be a relative path")
|
|
}
|
|
|
|
// Check that main is a subdirectory.
|
|
cleanPwd := filepath.Clean(pwd)
|
|
main = filepath.Clean(path.Join(cleanPwd, main))
|
|
if !strings.HasPrefix(main, cleanPwd) {
|
|
return "", "", errors.New("project 'main' must be a subfolder")
|
|
}
|
|
|
|
// So that any relative paths inside of the program are correct, we still need to pass the pwd
|
|
// of the main program's parent directory. How we do this depends on if the target is a dir or not.
|
|
maininfo, err := os.Stat(main)
|
|
if err != nil {
|
|
return "", "", errors.Wrapf(err, "project 'main' could not be read")
|
|
}
|
|
if maininfo.IsDir() {
|
|
pwd = main
|
|
main = "."
|
|
} else {
|
|
pwd = filepath.Dir(main)
|
|
main = filepath.Base(main)
|
|
}
|
|
}
|
|
|
|
return pwd, main, nil
|
|
}
|