mirror of
https://github.com/go-task/task.git
synced 2024-12-12 10:45:49 +02:00
127 lines
2.7 KiB
Go
127 lines
2.7 KiB
Go
package taskfile
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import (
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"context"
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"fmt"
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"io"
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"net/url"
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"path/filepath"
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"strings"
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"github.com/go-git/go-billy/v5/memfs"
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"github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/storage/memory"
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giturls "github.com/whilp/git-urls"
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"github.com/go-task/task/v3/errors"
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"github.com/go-task/task/v3/internal/execext"
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"github.com/go-task/task/v3/internal/filepathext"
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)
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// An GitNode is a node that reads a Taskfile from a remote location via Git.
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type GitNode struct {
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*BaseNode
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URL *url.URL
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rawUrl string
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ref string
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path string
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}
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func NewGitNode(
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entrypoint string,
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dir string,
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insecure bool,
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opts ...NodeOption,
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) (*GitNode, error) {
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base := NewBaseNode(dir, opts...)
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u, err := giturls.Parse(entrypoint)
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if err != nil {
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return nil, err
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}
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basePath, path := func() (string, string) {
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x := strings.Split(u.Path, "//")
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return x[0], x[1]
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}()
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ref := u.Query().Get("ref")
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rawUrl := u.String()
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u.RawQuery = ""
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u.Path = basePath
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if u.Scheme == "http" && !insecure {
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return nil, &errors.TaskfileNotSecureError{URI: entrypoint}
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}
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return &GitNode{
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BaseNode: base,
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URL: u,
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rawUrl: rawUrl,
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ref: ref,
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path: path,
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}, nil
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}
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func (node *GitNode) Location() string {
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return node.rawUrl
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}
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func (node *GitNode) Remote() bool {
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return true
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}
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func (node *GitNode) Read(_ context.Context) ([]byte, error) {
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fs := memfs.New()
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storer := memory.NewStorage()
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_, err := git.Clone(storer, fs, &git.CloneOptions{
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URL: node.URL.String(),
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ReferenceName: plumbing.ReferenceName(node.ref),
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SingleBranch: true,
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Depth: 1,
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})
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if err != nil {
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return nil, err
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}
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file, err := fs.Open(node.path)
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if err != nil {
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return nil, err
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}
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// Read the entire response body
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b, err := io.ReadAll(file)
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if err != nil {
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return nil, err
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}
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return b, nil
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}
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func (node *GitNode) ResolveEntrypoint(entrypoint string) (string, error) {
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dir, _ := filepath.Split(node.path)
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resolvedEntrypoint := fmt.Sprintf("%s//%s", node.URL, filepath.Join(dir, entrypoint))
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if node.ref != "" {
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return fmt.Sprintf("%s?ref=%s", resolvedEntrypoint, node.ref), nil
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}
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return resolvedEntrypoint, nil
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}
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func (node *GitNode) ResolveDir(dir string) (string, error) {
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path, err := execext.Expand(dir)
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if err != nil {
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return "", err
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}
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if filepathext.IsAbs(path) {
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return path, nil
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}
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// NOTE: Uses the directory of the entrypoint (Taskfile), not the current working directory
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// This means that files are included relative to one another
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entrypointDir := filepath.Dir(node.Dir())
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return filepathext.SmartJoin(entrypointDir, path), nil
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}
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func (node *GitNode) FilenameAndLastDir() (string, string) {
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return filepath.Base(node.path), filepath.Base(filepath.Dir(node.path))
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}
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