118 lines
3 KiB
Go
118 lines
3 KiB
Go
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package container
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import (
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"archive/tar"
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"context"
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"io"
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"path/filepath"
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"strings"
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"testing"
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"github.com/go-git/go-billy/v5"
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"github.com/go-git/go-billy/v5/memfs"
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git "github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing/cache"
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"github.com/go-git/go-git/v5/plumbing/format/gitignore"
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"github.com/go-git/go-git/v5/plumbing/format/index"
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"github.com/go-git/go-git/v5/storage/filesystem"
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"github.com/stretchr/testify/assert"
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)
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type memoryFs struct {
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billy.Filesystem
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}
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func (mfs *memoryFs) walk(root string, fn filepath.WalkFunc) error {
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dir, err := mfs.ReadDir(root)
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if err != nil {
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return err
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}
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for i := 0; i < len(dir); i++ {
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filename := filepath.Join(root, dir[i].Name())
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err = fn(filename, dir[i], nil)
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if dir[i].IsDir() {
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if err == filepath.SkipDir {
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err = nil
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} else if err := mfs.walk(filename, fn); err != nil {
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return err
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}
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}
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (mfs *memoryFs) Walk(root string, fn filepath.WalkFunc) error {
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stat, err := mfs.Lstat(root)
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if err != nil {
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return err
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}
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err = fn(strings.Join([]string{root, "."}, string(filepath.Separator)), stat, nil)
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if err != nil {
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return err
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}
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return mfs.walk(root, fn)
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}
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func (mfs *memoryFs) OpenGitIndex(path string) (*index.Index, error) {
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f, _ := mfs.Filesystem.Chroot(filepath.Join(path, ".git"))
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storage := filesystem.NewStorage(f, cache.NewObjectLRUDefault())
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i, err := storage.Index()
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if err != nil {
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return nil, err
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}
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return i, nil
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}
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func (mfs *memoryFs) Open(path string) (io.ReadCloser, error) {
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return mfs.Filesystem.Open(path)
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}
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func (mfs *memoryFs) Readlink(path string) (string, error) {
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return mfs.Filesystem.Readlink(path)
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}
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func TestIgnoredTrackedfile(t *testing.T) {
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fs := memfs.New()
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_ = fs.MkdirAll("mygitrepo/.git", 0777)
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dotgit, _ := fs.Chroot("mygitrepo/.git")
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worktree, _ := fs.Chroot("mygitrepo")
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repo, _ := git.Init(filesystem.NewStorage(dotgit, cache.NewObjectLRUDefault()), worktree)
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f, _ := worktree.Create(".gitignore")
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_, _ = f.Write([]byte(".*\n"))
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f.Close()
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// This file shouldn't be in the tar
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f, _ = worktree.Create(".env")
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_, _ = f.Write([]byte("test=val1\n"))
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f.Close()
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w, _ := repo.Worktree()
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// .gitignore is in the tar after adding it to the index
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_, _ = w.Add(".gitignore")
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tmpTar, _ := fs.Create("temp.tar")
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tw := tar.NewWriter(tmpTar)
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ps, _ := gitignore.ReadPatterns(worktree, []string{})
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ignorer := gitignore.NewMatcher(ps)
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fc := &fileCollector{
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Fs: &memoryFs{Filesystem: fs},
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Ignorer: ignorer,
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SrcPath: "mygitrepo",
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SrcPrefix: "mygitrepo" + string(filepath.Separator),
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Handler: &tarCollector{
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TarWriter: tw,
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},
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}
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err := fc.Fs.Walk("mygitrepo", fc.collectFiles(context.Background(), []string{}))
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assert.NoError(t, err, "successfully collect files")
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tw.Close()
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_, _ = tmpTar.Seek(0, io.SeekStart)
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tr := tar.NewReader(tmpTar)
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h, err := tr.Next()
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assert.NoError(t, err, "tar must not be empty")
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assert.Equal(t, ".gitignore", h.Name)
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_, err = tr.Next()
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assert.ErrorIs(t, err, io.EOF, "tar must only contain one element")
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}
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