pulumi/pkg/engine/project.go

73 lines
2.0 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 (
"fmt"
"os"
"path/filepath"
"github.com/pulumi/pulumi/sdk/v3/go/common/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) {
return getPwdMain(projinfo.Root, projinfo.Proj.Main)
}
type PolicyPackInfo struct {
Proj *workspace.PolicyPackProject
Root string
}
// GetPwdMain returns the working directory and main entrypoint to use for this package.
func (projinfo *PolicyPackInfo) GetPwdMain() (string, string, error) {
return getPwdMain(projinfo.Root, projinfo.Proj.Main)
}
func getPwdMain(root, main string) (string, string, error) {
pwd := root
if main == "" {
main = "."
} else {
// The path can be relative from the package root.
if !filepath.IsAbs(main) {
cleanPwd := filepath.Clean(pwd)
main = filepath.Clean(filepath.Join(cleanPwd, main))
}
// 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 "", "", fmt.Errorf("project 'main' could not be read: %w", err)
}
if maininfo.IsDir() {
pwd = main
main = "."
} else {
pwd = filepath.Dir(main)
main = filepath.Base(main)
}
}
return pwd, main, nil
}