mirror of https://github.com/pulumi/pulumi.git
121 lines
3.5 KiB
Go
121 lines
3.5 KiB
Go
// Copyright 2016-2024, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package npm
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import (
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"bufio"
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"bytes"
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"context"
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"errors"
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"fmt"
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"io"
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"os"
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"os/exec"
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"path/filepath"
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)
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// pnpm is an alternative package manager for Node.js.
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type pnpmManager struct {
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executable string
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}
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// Assert that pnpm is an instance of PackageManager.
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var _ PackageManager = &pnpmManager{}
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func newPnpm() (*pnpmManager, error) {
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pnpmPath, err := exec.LookPath("pnpm")
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if err != nil {
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if errors.Is(err, exec.ErrNotFound) {
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return nil, errors.New("Could not find `pnpm` executable.\n" +
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"Install pnpm and make sure it is in your PATH.")
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}
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return nil, err
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}
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return &pnpmManager{
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executable: pnpmPath,
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}, nil
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}
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func (pnpm *pnpmManager) Name() string {
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return "pnpm"
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}
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func (pnpm *pnpmManager) Install(ctx context.Context, dir string, production bool, stdout, stderr io.Writer) error {
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command := pnpm.installCmd(ctx, production)
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command.Dir = dir
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command.Stdout = stdout
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command.Stderr = stderr
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return command.Run()
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}
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func (pnpm *pnpmManager) installCmd(ctx context.Context, production bool) *exec.Cmd {
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args := []string{"install", "--use-stderr"}
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if production {
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args = append(args, "--production")
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}
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//nolint:gosec // False positive on tained command execution. We aren't accepting input from the user here.
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return exec.CommandContext(ctx, pnpm.executable, args...)
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}
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func (pnpm *pnpmManager) Pack(ctx context.Context, dir string, stderr io.Writer) ([]byte, error) {
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//nolint:gosec // False positive on tained command execution. We aren't accepting input from the user here.
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command := exec.CommandContext(ctx, pnpm.executable, "pack", "--use-stderr")
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command.Dir = dir
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// We have to read the name of the file from stdout.
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var stdout bytes.Buffer
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command.Stdout = &stdout
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command.Stderr = stderr
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err := command.Run()
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if err != nil {
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return nil, err
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}
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// Next, we try to read the name of the file from stdout. packfile is the name
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// of the file containing the tarball, as produced by `pnpm pack`. For pnpm
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// versions <9.13, pnpm pack outputs a single line with the name of the
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// tarball. On pnpm versions >=9.13, pnpm pack lists all the packed files, and
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// the last line is the tarball.
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packFilename := ""
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scanner := bufio.NewScanner(bytes.NewReader(stdout.Bytes()))
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for scanner.Scan() {
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packFilename = scanner.Text()
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}
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if err := scanner.Err(); err != nil {
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return nil, fmt.Errorf("failed to read the output of 'pnpm pack': %w", err)
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}
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packfile := filepath.Join(dir, packFilename)
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defer os.Remove(packfile)
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packTarball, err := os.ReadFile(packfile)
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if err != nil {
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newErr := fmt.Errorf("'pnpm pack' completed successfully but the package .tgz file was not generated: %w", err)
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return nil, newErr
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}
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return packTarball, nil
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}
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// checkPnpmLock checks if there's a file named pnpm-lock.yaml in pwd.
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// This function is used to indicate whether to prefer pnpm over
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// other package managers.
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func checkPnpmLock(pwd string) bool {
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pnpmFile := filepath.Join(pwd, "pnpm-lock.yaml")
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_, err := os.Stat(pnpmFile)
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return err == nil
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}
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