package git
import (
"io/ioutil"
"os"
"path/filepath"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/filemode"
"gopkg.in/src-d/go-git.v4/plumbing/format/index"
"gopkg.in/src-d/go-git.v4/plumbing/object"
"gopkg.in/src-d/go-git.v4/storage/memory"
"github.com/src-d/go-git-fixtures"
. "gopkg.in/check.v1"
"gopkg.in/src-d/go-billy.v2"
"gopkg.in/src-d/go-billy.v2/memfs"
"gopkg.in/src-d/go-billy.v2/osfs"
)
type WorktreeSuite struct {
BaseSuite
}
var _ = Suite(&WorktreeSuite{})
func (s *WorktreeSuite) SetUpTest(c *C) {
s.buildBasicRepository(c)
// the index is removed if not the Repository will be not clean
c.Assert(s.Repository.Storer.SetIndex(&index.Index{Version: 2}), IsNil)
}
func (s *WorktreeSuite) TestCheckout(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
entries, err := fs.ReadDir("/")
c.Assert(err, IsNil)
c.Assert(entries, HasLen, 8)
ch, err := fs.Open("CHANGELOG")
c.Assert(err, IsNil)
content, err := ioutil.ReadAll(ch)
c.Assert(err, IsNil)
c.Assert(string(content), Equals, "Initial changelog\n")
idx, err := s.Repository.Storer.Index()
c.Assert(err, IsNil)
c.Assert(idx.Entries, HasLen, 9)
}
func (s *WorktreeSuite) TestCheckoutSubmodule(c *C) {
url := "https://github.com/git-fixtures/submodule.git"
w := &Worktree{
r: s.NewRepository(fixtures.ByURL(url).One()),
fs: memfs.New(),
}
// we delete the index, since the fixture comes with a real index
err := w.r.Storer.SetIndex(&index.Index{Version: 2})
c.Assert(err, IsNil)
err = w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, true)
}
func (s *WorktreeSuite) TestCheckoutSubmoduleInitialized(c *C) {
url := "https://github.com/git-fixtures/submodule.git"
w := &Worktree{
r: s.NewRepository(fixtures.ByURL(url).One()),
fs: memfs.New(),
}
err := w.r.Storer.SetIndex(&index.Index{Version: 2})
c.Assert(err, IsNil)
err = w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
sub, err := w.Submodules()
c.Assert(err, IsNil)
err = sub.Update(&SubmoduleUpdateOptions{Init: true})
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, true)
}
func (s *WorktreeSuite) TestCheckoutIndexMem(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
idx, err := s.Repository.Storer.Index()
c.Assert(err, IsNil)
c.Assert(idx.Entries, HasLen, 9)
c.Assert(idx.Entries[0].Hash.String(), Equals, "32858aad3c383ed1ff0a0f9bdf231d54a00c9e88")
c.Assert(idx.Entries[0].Name, Equals, ".gitignore")
c.Assert(idx.Entries[0].Mode, Equals, filemode.Regular)
c.Assert(idx.Entries[0].ModifiedAt.IsZero(), Equals, false)
c.Assert(idx.Entries[0].Size, Equals, uint32(189))
// ctime, dev, inode, uid and gid are not supported on memfs fs
c.Assert(idx.Entries[0].CreatedAt.IsZero(), Equals, true)
c.Assert(idx.Entries[0].Dev, Equals, uint32(0))
c.Assert(idx.Entries[0].Inode, Equals, uint32(0))
c.Assert(idx.Entries[0].UID, Equals, uint32(0))
c.Assert(idx.Entries[0].GID, Equals, uint32(0))
}
func (s *WorktreeSuite) TestCheckoutIndexOS(c *C) {
dir, err := ioutil.TempDir("", "checkout")
defer os.RemoveAll(dir)
fs := osfs.New(filepath.Join(dir, "worktree"))
w := &Worktree{
r: s.Repository,
fs: fs,
}
err = w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
idx, err := s.Repository.Storer.Index()
c.Assert(err, IsNil)
c.Assert(idx.Entries, HasLen, 9)
c.Assert(idx.Entries[0].Hash.String(), Equals, "32858aad3c383ed1ff0a0f9bdf231d54a00c9e88")
c.Assert(idx.Entries[0].Name, Equals, ".gitignore")
c.Assert(idx.Entries[0].Mode, Equals, filemode.Regular)
c.Assert(idx.Entries[0].ModifiedAt.IsZero(), Equals, false)
c.Assert(idx.Entries[0].Size, Equals, uint32(189))
c.Assert(idx.Entries[0].CreatedAt.IsZero(), Equals, false)
c.Assert(idx.Entries[0].Dev, Not(Equals), uint32(0))
c.Assert(idx.Entries[0].Inode, Not(Equals), uint32(0))
c.Assert(idx.Entries[0].UID, Not(Equals), uint32(0))
c.Assert(idx.Entries[0].GID, Not(Equals), uint32(0))
}
func (s *WorktreeSuite) TestCheckoutChange(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
head, err := w.r.Head()
c.Assert(err, IsNil)
c.Assert(head.Name().String(), Equals, "refs/heads/master")
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, true)
_, err = fs.Stat("README")
c.Assert(err, Equals, os.ErrNotExist)
_, err = fs.Stat("vendor")
c.Assert(err, Equals, nil)
err = w.Checkout(&CheckoutOptions{
Branch: "refs/heads/branch",
})
c.Assert(err, IsNil)
status, err = w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, true)
_, err = fs.Stat("README")
c.Assert(err, Equals, nil)
_, err = fs.Stat("vendor")
c.Assert(err, Equals, os.ErrNotExist)
head, err = w.r.Head()
c.Assert(err, IsNil)
c.Assert(head.Name().String(), Equals, "refs/heads/branch")
}
func (s *WorktreeSuite) TestCheckoutTag(c *C) {
f := fixtures.ByTag("tags").One()
fs := memfs.New()
w := &Worktree{
r: s.NewRepository(f),
fs: fs,
}
// we delete the index, since the fixture comes with a real index
err := w.r.Storer.SetIndex(&index.Index{Version: 2})
c.Assert(err, IsNil)
err = w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
head, err := w.r.Head()
c.Assert(err, IsNil)
c.Assert(head.Name().String(), Equals, "refs/heads/master")
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, true)
err = w.Checkout(&CheckoutOptions{Branch: "refs/tags/lightweight-tag"})
c.Assert(err, IsNil)
head, err = w.r.Head()
c.Assert(err, IsNil)
c.Assert(head.Name().String(), Equals, "HEAD")
c.Assert(head.Hash().String(), Equals, "f7b877701fbf855b44c0a9e86f3fdce2c298b07f")
err = w.Checkout(&CheckoutOptions{Branch: "refs/tags/commit-tag"})
c.Assert(err, IsNil)
head, err = w.r.Head()
c.Assert(err, IsNil)
c.Assert(head.Name().String(), Equals, "HEAD")
c.Assert(head.Hash().String(), Equals, "f7b877701fbf855b44c0a9e86f3fdce2c298b07f")
err = w.Checkout(&CheckoutOptions{Branch: "refs/tags/tree-tag"})
c.Assert(err, NotNil)
head, err = w.r.Head()
c.Assert(err, IsNil)
c.Assert(head.Name().String(), Equals, "HEAD")
}
func (s *WorktreeSuite) TestCheckoutBisect(c *C) {
s.testCheckoutBisect(c, "https://github.com/src-d/go-git.git")
}
func (s *WorktreeSuite) TestCheckoutBisectSubmodules(c *C) {
s.testCheckoutBisect(c, "https://github.com/git-fixtures/submodule.git")
}
// TestCheckoutBisect simulates a git bisect going through the git history and
// checking every commit over the previous commit
func (s *WorktreeSuite) testCheckoutBisect(c *C, url string) {
f := fixtures.ByURL(url).One()
w := &Worktree{
r: s.NewRepository(f),
fs: memfs.New(),
}
// we delete the index, since the fixture comes with a real index
err := w.r.Storer.SetIndex(&index.Index{Version: 2})
c.Assert(err, IsNil)
iter, err := w.r.Log(&LogOptions{})
c.Assert(err, IsNil)
iter.ForEach(func(commit *object.Commit) error {
err := w.Checkout(&CheckoutOptions{Hash: commit.Hash})
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, true)
return nil
})
}
func (s *WorktreeSuite) TestStatus(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, false)
c.Assert(status, HasLen, 9)
}
func (s *WorktreeSuite) TestStatusEmpty(c *C) {
fs := memfs.New()
storage := memory.NewStorage()
r, err := Init(storage, fs)
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, true)
c.Assert(status, NotNil)
}
func (s *WorktreeSuite) TestReset(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
commit := plumbing.NewHash("35e85108805c84807bc66a02d91535e1e24b38b9")
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
branch, err := w.r.Reference(plumbing.Master, false)
c.Assert(err, IsNil)
c.Assert(branch.Hash(), Not(Equals), commit)
err = w.Reset(&ResetOptions{Commit: commit})
c.Assert(err, IsNil)
branch, err = w.r.Reference(plumbing.Master, false)
c.Assert(err, IsNil)
c.Assert(branch.Hash(), Equals, commit)
}
func (s *WorktreeSuite) TestResetMerge(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
commit := plumbing.NewHash("35e85108805c84807bc66a02d91535e1e24b38b9")
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
f, err := fs.Create(".gitignore")
c.Assert(err, IsNil)
_, err = f.Write([]byte("foo"))
c.Assert(err, IsNil)
err = f.Close()
c.Assert(err, IsNil)
err = w.Reset(&ResetOptions{Mode: MergeReset, Commit: commit})
c.Assert(err, Equals, ErrUnstaggedChanges)
branch, err := w.r.Reference(plumbing.Master, false)
c.Assert(err, IsNil)
c.Assert(branch.Hash(), Not(Equals), commit)
}
func (s *WorktreeSuite) TestResetHard(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
commit := plumbing.NewHash("35e85108805c84807bc66a02d91535e1e24b38b9")
err := w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
f, err := fs.Create(".gitignore")
c.Assert(err, IsNil)
_, err = f.Write([]byte("foo"))
c.Assert(err, IsNil)
err = f.Close()
c.Assert(err, IsNil)
err = w.Reset(&ResetOptions{Mode: HardReset, Commit: commit})
c.Assert(err, IsNil)
branch, err := w.r.Reference(plumbing.Master, false)
c.Assert(err, IsNil)
c.Assert(branch.Hash(), Equals, commit)
}
func (s *WorktreeSuite) TestStatusAfterCheckout(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, true)
}
func (s *WorktreeSuite) TestStatusModified(c *C) {
dir, err := ioutil.TempDir("", "status")
defer os.RemoveAll(dir)
fs := osfs.New(filepath.Join(dir, "worktree"))
w := &Worktree{
r: s.Repository,
fs: fs,
}
err = w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
f, err := fs.Create(".gitignore")
c.Assert(err, IsNil)
_, err = f.Write([]byte("foo"))
c.Assert(err, IsNil)
err = f.Close()
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, false)
c.Assert(status.File(".gitignore").Worktree, Equals, Modified)
}
func (s *WorktreeSuite) TestStatusUntracked(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
f, err := w.fs.Create("foo")
c.Assert(err, IsNil)
c.Assert(f.Close(), IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.File("foo").Staging, Equals, Untracked)
c.Assert(status.File("foo").Worktree, Equals, Untracked)
}
func (s *WorktreeSuite) TestStatusDeleted(c *C) {
dir, err := ioutil.TempDir("", "status")
defer os.RemoveAll(dir)
fs := osfs.New(filepath.Join(dir, "worktree"))
w := &Worktree{
r: s.Repository,
fs: fs,
}
err = w.Checkout(&CheckoutOptions{})
c.Assert(err, IsNil)
err = fs.Remove(".gitignore")
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status.IsClean(), Equals, false)
c.Assert(status.File(".gitignore").Worktree, Equals, Deleted)
}
func (s *WorktreeSuite) TestSubmodule(c *C) {
path := fixtures.ByTag("submodule").One().Worktree().Base()
r, err := PlainOpen(path)
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
m, err := w.Submodule("basic")
c.Assert(err, IsNil)
c.Assert(m.Config().Name, Equals, "basic")
}
func (s *WorktreeSuite) TestSubmodules(c *C) {
path := fixtures.ByTag("submodule").One().Worktree().Base()
r, err := PlainOpen(path)
c.Assert(err, IsNil)
w, err := r.Worktree()
c.Assert(err, IsNil)
l, err := w.Submodules()
c.Assert(err, IsNil)
c.Assert(l, HasLen, 2)
}
func (s *WorktreeSuite) TestAddUntracked(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
idx, err := w.r.Storer.Index()
c.Assert(err, IsNil)
c.Assert(idx.Entries, HasLen, 9)
err = billy.WriteFile(w.fs, "foo", []byte("FOO"), 0755)
c.Assert(err, IsNil)
hash, err := w.Add("foo")
c.Assert(hash.String(), Equals, "d96c7efbfec2814ae0301ad054dc8d9fc416c9b5")
c.Assert(err, IsNil)
idx, err = w.r.Storer.Index()
c.Assert(err, IsNil)
c.Assert(idx.Entries, HasLen, 10)
e, err := idx.Entry("foo")
c.Assert(err, IsNil)
c.Assert(e.Hash, Equals, hash)
c.Assert(e.Mode, Equals, filemode.Executable)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status, HasLen, 1)
file := status.File("foo")
c.Assert(file.Staging, Equals, Added)
c.Assert(file.Worktree, Equals, Unmodified)
}
func (s *WorktreeSuite) TestAddModified(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
idx, err := w.r.Storer.Index()
c.Assert(err, IsNil)
c.Assert(idx.Entries, HasLen, 9)
err = billy.WriteFile(w.fs, "LICENSE", []byte("FOO"), 0644)
c.Assert(err, IsNil)
hash, err := w.Add("LICENSE")
c.Assert(err, IsNil)
c.Assert(hash.String(), Equals, "d96c7efbfec2814ae0301ad054dc8d9fc416c9b5")
idx, err = w.r.Storer.Index()
c.Assert(err, IsNil)
c.Assert(idx.Entries, HasLen, 9)
e, err := idx.Entry("LICENSE")
c.Assert(err, IsNil)
c.Assert(e.Hash, Equals, hash)
c.Assert(e.Mode, Equals, filemode.Regular)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status, HasLen, 1)
file := status.File("LICENSE")
c.Assert(file.Staging, Equals, Modified)
c.Assert(file.Worktree, Equals, Unmodified)
}
func (s *WorktreeSuite) TestAddUnmodified(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
hash, err := w.Add("LICENSE")
c.Assert(hash.String(), Equals, "c192bd6a24ea1ab01d78686e417c8bdc7c3d197f")
c.Assert(err, IsNil)
}
func (s *WorktreeSuite) TestRemove(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
hash, err := w.Remove("LICENSE")
c.Assert(hash.String(), Equals, "c192bd6a24ea1ab01d78686e417c8bdc7c3d197f")
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status, HasLen, 1)
c.Assert(status.File("LICENSE").Staging, Equals, Deleted)
}
func (s *WorktreeSuite) TestRemoveNotExistentEntry(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
hash, err := w.Remove("not-exists")
c.Assert(hash.IsZero(), Equals, true)
c.Assert(err, NotNil)
}
func (s *WorktreeSuite) TestRemoveDeletedFromWorktree(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
err = fs.Remove("LICENSE")
c.Assert(err, IsNil)
hash, err := w.Remove("LICENSE")
c.Assert(hash.String(), Equals, "c192bd6a24ea1ab01d78686e417c8bdc7c3d197f")
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status, HasLen, 1)
c.Assert(status.File("LICENSE").Staging, Equals, Deleted)
}
func (s *WorktreeSuite) TestMove(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
hash, err := w.Move("LICENSE", "foo")
c.Check(hash.String(), Equals, "c192bd6a24ea1ab01d78686e417c8bdc7c3d197f")
c.Assert(err, IsNil)
status, err := w.Status()
c.Assert(err, IsNil)
c.Assert(status, HasLen, 2)
c.Assert(status.File("LICENSE").Staging, Equals, Deleted)
c.Assert(status.File("foo").Staging, Equals, Added)
}
func (s *WorktreeSuite) TestMoveNotExistentEntry(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
hash, err := w.Move("not-exists", "foo")
c.Assert(hash.IsZero(), Equals, true)
c.Assert(err, NotNil)
}
func (s *WorktreeSuite) TestMoveToExistent(c *C) {
fs := memfs.New()
w := &Worktree{
r: s.Repository,
fs: fs,
}
err := w.Checkout(&CheckoutOptions{Force: true})
c.Assert(err, IsNil)
hash, err := w.Move(".gitignore", "LICENSE")
c.Assert(hash.IsZero(), Equals, true)
c.Assert(err, Equals, ErrDestinationExists)
}
