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-rw-r--r--plumbing/difftree/difftree.go246
-rw-r--r--plumbing/difftree/difftree_test.go523
2 files changed, 233 insertions, 536 deletions
diff --git a/plumbing/difftree/difftree.go b/plumbing/difftree/difftree.go
index 869f496..76c5f27 100644
--- a/plumbing/difftree/difftree.go
+++ b/plumbing/difftree/difftree.go
@@ -2,252 +2,24 @@ package difftree
import (
"bytes"
- "fmt"
- "io"
- "sort"
- "strings"
- "srcd.works/go-git.v4/plumbing"
"srcd.works/go-git.v4/plumbing/object"
+ "srcd.works/go-git.v4/utils/merkletrie"
+ "srcd.works/go-git.v4/utils/merkletrie/noder"
)
-type Action int
-
-func (a Action) String() string {
- switch a {
- case Insert:
- return "Insert"
- case Delete:
- return "Delete"
- case Modify:
- return "Modify"
- default:
- panic(fmt.Sprintf("unsupported action: %d", a))
- }
-}
-
-const (
- Insert Action = iota
- Delete
- Modify
-)
-
-type Change struct {
- Action
- From ChangeEntry
- To ChangeEntry
-}
-
-type ChangeEntry struct {
- Name string
- Tree *object.Tree
- TreeEntry object.TreeEntry
-}
-
-func (c *Change) Files() (from, to *object.File, err error) {
- if c.Action == Insert || c.Action == Modify {
- to, err = c.To.Tree.TreeEntryFile(&c.To.TreeEntry)
- if err != nil {
- return
- }
-
- }
-
- if c.Action == Delete || c.Action == Modify {
- from, err = c.From.Tree.TreeEntryFile(&c.From.TreeEntry)
- if err != nil {
- return
- }
- }
-
- return
-}
-
-func (c *Change) String() string {
- return fmt.Sprintf("<Action: %s, Path: %s>", c.Action, c.name())
-}
-
-func (c *Change) name() string {
- if c.From.Name != "" {
- return c.From.Name
- }
-
- return c.To.Name
-}
-
-type Changes []*Change
-
-func newEmpty() Changes {
- return make([]*Change, 0, 0)
-}
-
func DiffTree(a, b *object.Tree) ([]*Change, error) {
- if a == b {
- return newEmpty(), nil
- }
-
- if a == nil || b == nil {
- return newWithEmpty(a, b)
- }
-
- return newDiffTree(a, b)
-}
-
-func (c Changes) Len() int {
- return len(c)
-}
-
-func (c Changes) Swap(i, j int) {
- c[i], c[j] = c[j], c[i]
-}
-
-func (c Changes) Less(i, j int) bool {
- return strings.Compare(c[i].name(), c[j].name()) < 0
-}
-
-func (c Changes) String() string {
- var buffer bytes.Buffer
- buffer.WriteString("[")
- comma := ""
- for _, v := range c {
- buffer.WriteString(comma)
- buffer.WriteString(v.String())
- comma = ", "
- }
- buffer.WriteString("]")
-
- return buffer.String()
-}
-
-func newWithEmpty(a, b *object.Tree) (Changes, error) {
- changes := newEmpty()
-
- var action Action
- var tree *object.Tree
- if a == nil {
- action = Insert
- tree = b
- } else {
- action = Delete
- tree = a
- }
-
- w := object.NewTreeWalker(tree, true)
- defer w.Close()
-
- for {
- path, entry, err := w.Next()
- if err == io.EOF {
- break
- } else if err != nil {
- return nil, fmt.Errorf("cannot get next file: %s", err)
- }
-
- if entry.Mode.IsDir() {
- continue
- }
-
- c := &Change{Action: action}
-
- if action == Insert {
- c.To.Name = path
- c.To.TreeEntry = entry
- c.To.Tree = tree
- } else {
- c.From.Name = path
- c.From.TreeEntry = entry
- c.From.Tree = tree
- }
-
- changes = append(changes, c)
- }
-
- return changes, nil
-}
-
-// FIXME: this is very inefficient, but correct.
-// The proper way to do this is to implement a diff-tree algorithm,
-// while taking advantage of the tree hashes to avoid traversing
-// subtrees when the hash is equal in both inputs.
-func newDiffTree(a, b *object.Tree) ([]*Change, error) {
- var result []*Change
-
- aChanges, err := newWithEmpty(a, nil)
- if err != nil {
- return nil, fmt.Errorf("cannot create nil-diff of source tree: %s", err)
- }
- sort.Sort(aChanges)
+ from := newTreeNoder(a)
+ to := newTreeNoder(b)
- bChanges, err := newWithEmpty(nil, b)
- if err != nil {
- return nil, fmt.Errorf("cannot create nil-diff of destination tree: %s", err)
- }
- sort.Sort(bChanges)
-
- for len(aChanges) > 0 && len(bChanges) > 0 {
- switch comp := strings.Compare(aChanges[0].name(), bChanges[0].name()); {
- case comp == 0: // append as "Modify" or ignore if not changed
- modified, err := hasChange(a, b, aChanges[0].name())
- if err != nil {
- return nil, err
- }
-
- if modified {
- c := mergeInsertAndDeleteIntoModify(aChanges[0], bChanges[0])
- result = append(result, c)
- }
-
- aChanges = aChanges[1:]
- bChanges = bChanges[1:]
- case comp < 0: // delete first a change
- result = append(result, aChanges[0])
- aChanges = aChanges[1:]
- case comp > 0: // insert first b change
- result = append(result, bChanges[0])
- bChanges = bChanges[1:]
- }
+ hashEqual := func(a, b noder.Hasher) bool {
+ return bytes.Equal(a.Hash(), b.Hash())
}
- // append all remaining changes in aChanges, if any, as deletes
- // append all remaining changes in bChanges, if any, as inserts
- result = append(result, aChanges...)
- result = append(result, bChanges...)
-
- return result, nil
-}
-
-func mergeInsertAndDeleteIntoModify(a, b *Change) *Change {
- c := &Change{Action: Modify}
- c.From.Name = a.From.Name
- c.From.Tree = a.From.Tree
- c.From.TreeEntry = a.From.TreeEntry
- c.To.Name = b.To.Name
- c.To.Tree = b.To.Tree
- c.To.TreeEntry = b.To.TreeEntry
-
- return c
-}
-
-func hasChange(a, b *object.Tree, path string) (bool, error) {
- ha, err := hash(a, path)
- if err != nil {
- return false, err
- }
-
- hb, err := hash(b, path)
- if err != nil {
- return false, err
- }
-
- return ha != hb, nil
-}
-
-func hash(tree *object.Tree, path string) (plumbing.Hash, error) {
- file, err := tree.File(path)
+ merkletrieChanges, err := merkletrie.DiffTree(from, to, hashEqual)
if err != nil {
- var empty plumbing.Hash
- return empty, fmt.Errorf("cannot find file %s in tree: %s", path, err)
+ return nil, err
}
- return file.Hash, nil
+ return newChanges(merkletrieChanges)
}
diff --git a/plumbing/difftree/difftree_test.go b/plumbing/difftree/difftree_test.go
index 7679d0f..e2519b3 100644
--- a/plumbing/difftree/difftree_test.go
+++ b/plumbing/difftree/difftree_test.go
@@ -4,14 +4,15 @@ import (
"sort"
"testing"
- "github.com/src-d/go-git-fixtures"
"srcd.works/go-git.v4/plumbing"
"srcd.works/go-git.v4/plumbing/format/packfile"
"srcd.works/go-git.v4/plumbing/object"
"srcd.works/go-git.v4/plumbing/storer"
"srcd.works/go-git.v4/storage/filesystem"
"srcd.works/go-git.v4/storage/memory"
+ "srcd.works/go-git.v4/utils/merkletrie"
+ "github.com/src-d/go-git-fixtures"
. "gopkg.in/check.v1"
)
@@ -33,12 +34,6 @@ func (s *DiffTreeSuite) SetUpSuite(c *C) {
s.cache = make(map[string]storer.EncodedObjectStorer)
}
-func (s *DiffTreeSuite) tree(c *C, h plumbing.Hash) *object.Tree {
- t, err := object.GetTree(s.Storer, h)
- c.Assert(err, IsNil)
- return t
-}
-
func (s *DiffTreeSuite) commitFromStorer(c *C, sto storer.EncodedObjectStorer,
h plumbing.Hash) *object.Commit {
@@ -76,108 +71,48 @@ func (s *DiffTreeSuite) storageFromPackfile(f *fixtures.Fixture) storer.EncodedO
var _ = Suite(&DiffTreeSuite{})
-func (s *DiffTreeSuite) TestActionString(c *C) {
- expected := "Insert"
- action := Insert
- obtained := action.String()
- c.Assert(obtained, Equals, expected)
-
- expected = "Delete"
- action = Delete
- obtained = action.String()
- c.Assert(obtained, Equals, expected)
-
- expected = "Modify"
- action = Modify
- obtained = action.String()
- c.Assert(obtained, Equals, expected)
-
- action = 37
- c.Assert(func() { _ = action.String() },
- PanicMatches, "unsupported action: 37")
-}
-
-func (s *DiffTreeSuite) TestChangeFilesInsert(c *C) {
- tree := s.tree(c, plumbing.NewHash("a8d315b2b1c615d43042c3a62402b8a54288cf5c"))
-
- change := &Change{Action: Insert}
- change.To.Name = "json/long.json"
- change.To.Tree = tree
- change.To.TreeEntry.Hash = plumbing.NewHash("49c6bb89b17060d7b4deacb7b338fcc6ea2352a9")
-
- from, to, err := change.Files()
- c.Assert(err, IsNil)
- c.Assert(from, IsNil)
- c.Assert(to.ID(), Equals, change.To.TreeEntry.Hash)
-}
-
-func (s *DiffTreeSuite) TestChangeFilesDelete(c *C) {
- tree := s.tree(c, plumbing.NewHash("a8d315b2b1c615d43042c3a62402b8a54288cf5c"))
-
- change := &Change{Action: Delete}
- change.From.Name = "json/long.json"
- change.From.Tree = tree
- change.From.TreeEntry.Hash = plumbing.NewHash("49c6bb89b17060d7b4deacb7b338fcc6ea2352a9")
-
- from, to, err := change.Files()
- c.Assert(err, IsNil)
- c.Assert(to, IsNil)
- c.Assert(from.ID(), Equals, change.From.TreeEntry.Hash)
-}
-
-func (s *DiffTreeSuite) TestChangeFilesModify(c *C) {
- tree := s.tree(c, plumbing.NewHash("a8d315b2b1c615d43042c3a62402b8a54288cf5c"))
-
- change := &Change{Action: Modify}
- change.To.Name = "json/long.json"
- change.To.Tree = tree
- change.To.TreeEntry.Hash = plumbing.NewHash("49c6bb89b17060d7b4deacb7b338fcc6ea2352a9")
- change.From.Name = "json/long.json"
- change.From.Tree = tree
- change.From.TreeEntry.Hash = plumbing.NewHash("9a48f23120e880dfbe41f7c9b7b708e9ee62a492")
-
- from, to, err := change.Files()
- c.Assert(err, IsNil)
- c.Assert(to.ID(), Equals, change.To.TreeEntry.Hash)
- c.Assert(from.ID(), Equals, change.From.TreeEntry.Hash)
+type expectChange struct {
+ Action merkletrie.Action
+ Name string
}
-func (s *DiffTreeSuite) TestChangeString(c *C) {
- expected := "<Action: Insert, Path: foo>"
- change := &Change{Action: Insert}
- change.From.Name = "foo"
-
- obtained := change.String()
- c.Assert(obtained, Equals, expected)
+func assertChanges(a Changes, c *C) {
+ for _, changes := range a {
+ action, err := changes.Action()
+ c.Assert(err, IsNil)
+ switch action {
+ case merkletrie.Insert:
+ c.Assert(changes.From.Tree, IsNil)
+ c.Assert(changes.To.Tree, NotNil)
+ case merkletrie.Delete:
+ c.Assert(changes.From.Tree, NotNil)
+ c.Assert(changes.To.Tree, IsNil)
+ case merkletrie.Modify:
+ c.Assert(changes.From.Tree, NotNil)
+ c.Assert(changes.To.Tree, NotNil)
+ default:
+ c.Fatalf("unknown action: %d", action)
+ }
+ }
}
-func (s *DiffTreeSuite) TestChangesString(c *C) {
- expected := "[]"
- changes := newEmpty()
- obtained := changes.String()
- c.Assert(obtained, Equals, expected)
-
- expected = "[<Action: Modify, Path: bla>]"
- changes = make([]*Change, 1)
- changes[0] = &Change{Action: Modify}
- changes[0].From.Name = "bla"
+func equalChanges(a Changes, b []expectChange, c *C) bool {
+ if len(a) != len(b) {
+ return false
+ }
- obtained = changes.String()
- c.Assert(obtained, Equals, expected)
+ sort.Sort(a)
- expected = "[<Action: Modify, Path: bla>, <Action: Insert, Path: foo/bar>]"
- changes = make([]*Change, 2)
- changes[0] = &Change{Action: Modify}
- changes[0].From.Name = "bla"
- changes[1] = &Change{Action: Insert}
- changes[1].From.Name = "foo/bar"
- obtained = changes.String()
- c.Assert(obtained, Equals, expected)
-}
+ for i, va := range a {
+ vb := b[i]
+ action, err := va.Action()
+ c.Assert(err, IsNil)
+ if action != vb.Action || va.name() != vb.Name {
+ return false
+ }
+ }
-type expectChange struct {
- Action Action
- Name string
+ return true
}
func (s *DiffTreeSuite) TestDiffTree(c *C) {
@@ -186,186 +121,209 @@ func (s *DiffTreeSuite) TestDiffTree(c *C) {
commit1 string // the commit of the first tree
commit2 string // the commit of the second tree
expected []expectChange // the expected list of []changeExpect
- }{{
- "https://github.com/dezfowler/LiteMock.git",
- "",
- "",
- []expectChange{},
- }, {
- "https://github.com/dezfowler/LiteMock.git",
- "b7965eaa2c4f245d07191fe0bcfe86da032d672a",
- "b7965eaa2c4f245d07191fe0bcfe86da032d672a",
- []expectChange{},
- }, {
- "https://github.com/dezfowler/LiteMock.git",
- "",
- "b7965eaa2c4f245d07191fe0bcfe86da032d672a",
- []expectChange{
- {Action: Insert, Name: "README"},
+ }{
+ {
+ "https://github.com/dezfowler/LiteMock.git",
+ "",
+ "",
+ []expectChange{},
+ },
+ {
+ "https://github.com/dezfowler/LiteMock.git",
+ "b7965eaa2c4f245d07191fe0bcfe86da032d672a",
+ "b7965eaa2c4f245d07191fe0bcfe86da032d672a",
+ []expectChange{},
+ },
+ {
+ "https://github.com/dezfowler/LiteMock.git",
+ "",
+ "b7965eaa2c4f245d07191fe0bcfe86da032d672a",
+ []expectChange{
+ {Action: merkletrie.Insert, Name: "README"},
+ },
},
- }, {
- "https://github.com/dezfowler/LiteMock.git",
- "b7965eaa2c4f245d07191fe0bcfe86da032d672a",
- "",
- []expectChange{
- {Action: Delete, Name: "README"},
+ {
+ "https://github.com/dezfowler/LiteMock.git",
+ "b7965eaa2c4f245d07191fe0bcfe86da032d672a",
+ "",
+ []expectChange{
+ {Action: merkletrie.Delete, Name: "README"},
+ },
},
- }, {
- "https://github.com/githubtraining/example-branches.git",
- "",
- "f0eb272cc8f77803478c6748103a1450aa1abd37",
- []expectChange{
- {Action: Insert, Name: "README.md"},
+ {
+ "https://github.com/githubtraining/example-branches.git",
+ "",
+ "f0eb272cc8f77803478c6748103a1450aa1abd37",
+ []expectChange{
+ {Action: merkletrie.Insert, Name: "README.md"},
+ },
},
- }, {
- "https://github.com/githubtraining/example-branches.git",
- "f0eb272cc8f77803478c6748103a1450aa1abd37",
- "",
- []expectChange{
- {Action: Delete, Name: "README.md"},
+ {
+ "https://github.com/githubtraining/example-branches.git",
+ "f0eb272cc8f77803478c6748103a1450aa1abd37",
+ "",
+ []expectChange{
+ {Action: merkletrie.Delete, Name: "README.md"},
+ },
},
- }, {
- "https://github.com/githubtraining/example-branches.git",
- "f0eb272cc8f77803478c6748103a1450aa1abd37",
- "f0eb272cc8f77803478c6748103a1450aa1abd37",
- []expectChange{},
- }, {
- "https://github.com/github/gem-builder.git",
- "",
- "9608eed92b3839b06ebf72d5043da547de10ce85",
- []expectChange{
- {Action: Insert, Name: "README"},
- {Action: Insert, Name: "gem_builder.rb"},
- {Action: Insert, Name: "gem_eval.rb"},
+ {
+ "https://github.com/githubtraining/example-branches.git",
+ "f0eb272cc8f77803478c6748103a1450aa1abd37",
+ "f0eb272cc8f77803478c6748103a1450aa1abd37",
+ []expectChange{},
},
- }, {
- "https://github.com/github/gem-builder.git",
- "9608eed92b3839b06ebf72d5043da547de10ce85",
- "",
- []expectChange{
- {Action: Delete, Name: "README"},
- {Action: Delete, Name: "gem_builder.rb"},
- {Action: Delete, Name: "gem_eval.rb"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "",
+ "9608eed92b3839b06ebf72d5043da547de10ce85",
+ []expectChange{
+ {Action: merkletrie.Insert, Name: "README"},
+ {Action: merkletrie.Insert, Name: "gem_builder.rb"},
+ {Action: merkletrie.Insert, Name: "gem_eval.rb"},
+ },
},
- }, {
- "https://github.com/github/gem-builder.git",
- "9608eed92b3839b06ebf72d5043da547de10ce85",
- "9608eed92b3839b06ebf72d5043da547de10ce85",
- []expectChange{},
- }, {
- "https://github.com/toqueteos/ts3.git",
- "",
- "764e914b75d6d6df1fc5d832aa9840f590abf1bb",
- []expectChange{
- {Action: Insert, Name: "README.markdown"},
- {Action: Insert, Name: "examples/bot.go"},
- {Action: Insert, Name: "examples/raw_shell.go"},
- {Action: Insert, Name: "helpers.go"},
- {Action: Insert, Name: "ts3.go"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "9608eed92b3839b06ebf72d5043da547de10ce85",
+ "",
+ []expectChange{
+ {Action: merkletrie.Delete, Name: "README"},
+ {Action: merkletrie.Delete, Name: "gem_builder.rb"},
+ {Action: merkletrie.Delete, Name: "gem_eval.rb"},
+ },
},
- }, {
- "https://github.com/toqueteos/ts3.git",
- "764e914b75d6d6df1fc5d832aa9840f590abf1bb",
- "",
- []expectChange{
- {Action: Delete, Name: "README.markdown"},
- {Action: Delete, Name: "examples/bot.go"},
- {Action: Delete, Name: "examples/raw_shell.go"},
- {Action: Delete, Name: "helpers.go"},
- {Action: Delete, Name: "ts3.go"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "9608eed92b3839b06ebf72d5043da547de10ce85",
+ "9608eed92b3839b06ebf72d5043da547de10ce85",
+ []expectChange{},
},
- }, {
- "https://github.com/toqueteos/ts3.git",
- "764e914b75d6d6df1fc5d832aa9840f590abf1bb",
- "764e914b75d6d6df1fc5d832aa9840f590abf1bb",
- []expectChange{},
- }, {
- "https://github.com/github/gem-builder.git",
- "9608eed92b3839b06ebf72d5043da547de10ce85",
- "6c41e05a17e19805879689414026eb4e279f7de0",
- []expectChange{
- {Action: Modify, Name: "gem_eval.rb"},
+ {
+ "https://github.com/toqueteos/ts3.git",
+ "",
+ "764e914b75d6d6df1fc5d832aa9840f590abf1bb",
+ []expectChange{
+ {Action: merkletrie.Insert, Name: "README.markdown"},
+ {Action: merkletrie.Insert, Name: "examples/bot.go"},
+ {Action: merkletrie.Insert, Name: "examples/raw_shell.go"},
+ {Action: merkletrie.Insert, Name: "helpers.go"},
+ {Action: merkletrie.Insert, Name: "ts3.go"},
+ },
},
- }, {
- "https://github.com/github/gem-builder.git",
- "6c41e05a17e19805879689414026eb4e279f7de0",
- "89be3aac2f178719c12953cc9eaa23441f8d9371",
- []expectChange{
- {Action: Modify, Name: "gem_eval.rb"},
- {Action: Insert, Name: "gem_eval_test.rb"},
- {Action: Insert, Name: "security.rb"},
- {Action: Insert, Name: "security_test.rb"},
+ {
+ "https://github.com/toqueteos/ts3.git",
+ "764e914b75d6d6df1fc5d832aa9840f590abf1bb",
+ "",
+ []expectChange{
+ {Action: merkletrie.Delete, Name: "README.markdown"},
+ {Action: merkletrie.Delete, Name: "examples/bot.go"},
+ {Action: merkletrie.Delete, Name: "examples/raw_shell.go"},
+ {Action: merkletrie.Delete, Name: "helpers.go"},
+ {Action: merkletrie.Delete, Name: "ts3.go"},
+ },
},
- }, {
- "https://github.com/github/gem-builder.git",
- "89be3aac2f178719c12953cc9eaa23441f8d9371",
- "597240b7da22d03ad555328f15abc480b820acc0",
- []expectChange{
- {Action: Modify, Name: "gem_eval.rb"},
+ {
+ "https://github.com/toqueteos/ts3.git",
+ "764e914b75d6d6df1fc5d832aa9840f590abf1bb",
+ "764e914b75d6d6df1fc5d832aa9840f590abf1bb",
+ []expectChange{},
},
- }, {
- "https://github.com/github/gem-builder.git",
- "597240b7da22d03ad555328f15abc480b820acc0",
- "0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
- []expectChange{
- {Action: Modify, Name: "gem_eval.rb"},
- {Action: Modify, Name: "gem_eval_test.rb"},
- {Action: Insert, Name: "lazy_dir.rb"},
- {Action: Insert, Name: "lazy_dir_test.rb"},
- {Action: Modify, Name: "security.rb"},
- {Action: Modify, Name: "security_test.rb"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "9608eed92b3839b06ebf72d5043da547de10ce85",
+ "6c41e05a17e19805879689414026eb4e279f7de0",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "gem_eval.rb"},
+ },
},
- }, {
- "https://github.com/github/gem-builder.git",
- "0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
- "597240b7da22d03ad555328f15abc480b820acc0",
- []expectChange{
- {Action: Modify, Name: "gem_eval.rb"},
- {Action: Modify, Name: "gem_eval_test.rb"},
- {Action: Delete, Name: "lazy_dir.rb"},
- {Action: Delete, Name: "lazy_dir_test.rb"},
- {Action: Modify, Name: "security.rb"},
- {Action: Modify, Name: "security_test.rb"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "6c41e05a17e19805879689414026eb4e279f7de0",
+ "89be3aac2f178719c12953cc9eaa23441f8d9371",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "gem_eval.rb"},
+ {Action: merkletrie.Insert, Name: "gem_eval_test.rb"},
+ {Action: merkletrie.Insert, Name: "security.rb"},
+ {Action: merkletrie.Insert, Name: "security_test.rb"},
+ },
},
- }, {
- "https://github.com/github/gem-builder.git",
- "0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
- "ca9fd470bacb6262eb4ca23ee48bb2f43711c1ff",
- []expectChange{
- {Action: Modify, Name: "gem_eval.rb"},
- {Action: Modify, Name: "security.rb"},
- {Action: Modify, Name: "security_test.rb"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "89be3aac2f178719c12953cc9eaa23441f8d9371",
+ "597240b7da22d03ad555328f15abc480b820acc0",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "gem_eval.rb"},
+ },
},
- }, {
- "https://github.com/github/gem-builder.git",
- "fe3c86745f887c23a0d38c85cfd87ca957312f86",
- "b7e3f636febf7a0cd3ab473b6d30081786d2c5b6",
- []expectChange{
- {Action: Modify, Name: "gem_eval.rb"},
- {Action: Modify, Name: "gem_eval_test.rb"},
- {Action: Insert, Name: "git_mock"},
- {Action: Modify, Name: "lazy_dir.rb"},
- {Action: Modify, Name: "lazy_dir_test.rb"},
- {Action: Modify, Name: "security.rb"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "597240b7da22d03ad555328f15abc480b820acc0",
+ "0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "gem_eval.rb"},
+ {Action: merkletrie.Modify, Name: "gem_eval_test.rb"},
+ {Action: merkletrie.Insert, Name: "lazy_dir.rb"},
+ {Action: merkletrie.Insert, Name: "lazy_dir_test.rb"},
+ {Action: merkletrie.Modify, Name: "security.rb"},
+ {Action: merkletrie.Modify, Name: "security_test.rb"},
+ },
},
- }, {
- "https://github.com/rumpkernel/rumprun-xen.git",
- "1831e47b0c6db750714cd0e4be97b5af17fb1eb0",
- "51d8515578ea0c88cc8fc1a057903675cf1fc16c",
- []expectChange{
- {Action: Modify, Name: "Makefile"},
- {Action: Modify, Name: "netbsd_init.c"},
- {Action: Modify, Name: "rumphyper_stubs.c"},
- {Action: Delete, Name: "sysproxy.c"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
+ "597240b7da22d03ad555328f15abc480b820acc0",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "gem_eval.rb"},
+ {Action: merkletrie.Modify, Name: "gem_eval_test.rb"},
+ {Action: merkletrie.Delete, Name: "lazy_dir.rb"},
+ {Action: merkletrie.Delete, Name: "lazy_dir_test.rb"},
+ {Action: merkletrie.Modify, Name: "security.rb"},
+ {Action: merkletrie.Modify, Name: "security_test.rb"},
+ },
},
- }, {
- "https://github.com/rumpkernel/rumprun-xen.git",
- "1831e47b0c6db750714cd0e4be97b5af17fb1eb0",
- "e13e678f7ee9badd01b120889e0ec5fdc8ae3802",
- []expectChange{
- {Action: Modify, Name: "app-tools/rumprun"},
+ {
+ "https://github.com/github/gem-builder.git",
+ "0260380e375d2dd0e1a8fcab15f91ce56dbe778e",
+ "ca9fd470bacb6262eb4ca23ee48bb2f43711c1ff",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "gem_eval.rb"},
+ {Action: merkletrie.Modify, Name: "security.rb"},
+ {Action: merkletrie.Modify, Name: "security_test.rb"},
+ },
},
- }} {
+ {
+ "https://github.com/github/gem-builder.git",
+ "fe3c86745f887c23a0d38c85cfd87ca957312f86",
+ "b7e3f636febf7a0cd3ab473b6d30081786d2c5b6",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "gem_eval.rb"},
+ {Action: merkletrie.Modify, Name: "gem_eval_test.rb"},
+ {Action: merkletrie.Insert, Name: "git_mock"},
+ {Action: merkletrie.Modify, Name: "lazy_dir.rb"},
+ {Action: merkletrie.Modify, Name: "lazy_dir_test.rb"},
+ {Action: merkletrie.Modify, Name: "security.rb"},
+ },
+ },
+ {
+ "https://github.com/rumpkernel/rumprun-xen.git",
+ "1831e47b0c6db750714cd0e4be97b5af17fb1eb0",
+ "51d8515578ea0c88cc8fc1a057903675cf1fc16c",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "Makefile"},
+ {Action: merkletrie.Modify, Name: "netbsd_init.c"},
+ {Action: merkletrie.Modify, Name: "rumphyper_stubs.c"},
+ {Action: merkletrie.Delete, Name: "sysproxy.c"},
+ },
+ },
+ {
+ "https://github.com/rumpkernel/rumprun-xen.git",
+ "1831e47b0c6db750714cd0e4be97b5af17fb1eb0",
+ "e13e678f7ee9badd01b120889e0ec5fdc8ae3802",
+ []expectChange{
+ {Action: merkletrie.Modify, Name: "app-tools/rumprun"},
+ },
+ },
+ } {
f := fixtures.ByURL(t.repository).One()
sto := s.storageFromPackfile(f)
@@ -388,43 +346,10 @@ func (s *DiffTreeSuite) TestDiffTree(c *C) {
obtained, err := DiffTree(tree1, tree2)
c.Assert(err, IsNil,
Commentf("subtest %d: unable to calculate difftree: %s", i, err))
- c.Assert(equalChanges(obtained, t.expected), Equals, true,
+ c.Assert(equalChanges(obtained, t.expected, c), Equals, true,
Commentf("subtest:%d\nrepo=%s\ncommit1=%s\ncommit2=%s\nexpected=%s\nobtained=%s",
i, t.repository, t.commit1, t.commit2, t.expected, obtained))
assertChanges(obtained, c)
}
}
-
-func assertChanges(a Changes, c *C) {
- for _, changes := range a {
- switch changes.Action {
- case Insert:
- c.Assert(changes.From.Tree, IsNil)
- c.Assert(changes.To.Tree, NotNil)
- case Delete:
- c.Assert(changes.From.Tree, NotNil)
- c.Assert(changes.To.Tree, IsNil)
- case Modify:
- c.Assert(changes.From.Tree, NotNil)
- c.Assert(changes.To.Tree, NotNil)
- }
- }
-}
-
-func equalChanges(a Changes, b []expectChange) bool {
- if len(a) != len(b) {
- return false
- }
-
- sort.Sort(a)
-
- for i, va := range a {
- vb := b[i]
- if va.Action != vb.Action || va.name() != vb.Name {
- return false
- }
- }
-
- return true
-}
generated by cgit (git 2.34.1) at 2024-11-16 17:38:33 +0000