How to use Patch method of vcs Package

Best Syzkaller code snippet using vcs.Patch

vcs.go

Source:vcs.go Github

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...85 return nil, err86 }87 return vcs, nil88}89// PatchVCS patches an instance of VCS.90func (s *Store) PatchVCS(ctx context.Context, patch *api.VCSPatch) (*api.VCS, error) {91 vcsRaw, err := s.patchVCSRaw(ctx, patch)92 if err != nil {93 return nil, errors.Wrapf(err, "failed to patch VCS with VCSPatch[%+v]", patch)94 }95 vcs, err := s.composeVCS(ctx, vcsRaw)96 if err != nil {97 return nil, errors.Wrapf(err, "failed to compose VCS with vcsRaw[%+v]", vcsRaw)98 }99 return vcs, nil100}101// DeleteVCS deletes an instance of VCS.102func (s *Store) DeleteVCS(ctx context.Context, delete *api.VCSDelete) error {103 if err := s.deleteVCSRaw(ctx, delete); err != nil {104 return errors.Wrapf(err, "failed to delete VCS with VCSDelete[%+v]", delete)105 }106 return nil107}108//109// private functions110//111func (s *Store) composeVCS(ctx context.Context, raw *vcsRaw) (*api.VCS, error) {112 vcs := raw.toVCS()113 creator, err := s.GetPrincipalByID(ctx, vcs.CreatorID)114 if err != nil {115 return nil, err116 }117 vcs.Creator = creator118 updater, err := s.GetPrincipalByID(ctx, vcs.UpdaterID)119 if err != nil {120 return nil, err121 }122 vcs.Updater = updater123 return vcs, nil124}125// createVCSRaw creates a new vcs.126func (s *Store) createVCSRaw(ctx context.Context, create *api.VCSCreate) (*vcsRaw, error) {127 tx, err := s.db.BeginTx(ctx, nil)128 if err != nil {129 return nil, FormatError(err)130 }131 defer tx.Rollback()132 vcs, err := createVCSImpl(ctx, tx, create)133 if err != nil {134 return nil, err135 }136 if err := tx.Commit(); err != nil {137 return nil, FormatError(err)138 }139 return vcs, nil140}141// findVCSRaw retrieves a list of VCSs based on find conditions.142func (s *Store) findVCSRaw(ctx context.Context, find *api.VCSFind) ([]*vcsRaw, error) {143 tx, err := s.db.BeginTx(ctx, nil)144 if err != nil {145 return nil, FormatError(err)146 }147 defer tx.Rollback()148 list, err := findVCSImpl(ctx, tx, find)149 if err != nil {150 return nil, err151 }152 return list, nil153}154// getVCSRaw retrieves a single vcs based on find.155// Returns ECONFLICT if finding more than 1 matching records.156func (s *Store) getVCSRaw(ctx context.Context, id int) (*vcsRaw, error) {157 tx, err := s.db.BeginTx(ctx, nil)158 if err != nil {159 return nil, FormatError(err)160 }161 defer tx.Rollback()162 find := &api.VCSFind{163 ID: &id,164 }165 list, err := findVCSImpl(ctx, tx, find)166 if err != nil {167 return nil, err168 }169 if len(list) == 0 {170 return nil, nil171 } else if len(list) > 1 {172 return nil, &common.Error{Code: common.Conflict, Err: errors.Errorf("found %d VCSs with filter %+v, expect 1", len(list), find)}173 }174 return list[0], nil175}176// patchVCSRaw updates an existing vcs by ID.177// Returns ENOTFOUND if vcs does not exist.178func (s *Store) patchVCSRaw(ctx context.Context, patch *api.VCSPatch) (*vcsRaw, error) {179 tx, err := s.db.BeginTx(ctx, nil)180 if err != nil {181 return nil, FormatError(err)182 }183 defer tx.Rollback()184 vcs, err := patchVCSImpl(ctx, tx, patch)185 if err != nil {186 return nil, FormatError(err)187 }188 if err := tx.Commit(); err != nil {189 return nil, FormatError(err)190 }191 return vcs, nil192}193// deleteVCSRaw deletes an existing vcs by ID.194func (s *Store) deleteVCSRaw(ctx context.Context, delete *api.VCSDelete) error {195 tx, err := s.db.BeginTx(ctx, nil)196 if err != nil {197 return FormatError(err)198 }199 defer tx.Rollback()200 if err := s.deleteVCSImpl(ctx, tx, delete); err != nil {201 return FormatError(err)202 }203 if err := tx.Commit(); err != nil {204 return FormatError(err)205 }206 return nil207}208//209// database access implementations210//211// createVCSImpl creates a new vcs.212func createVCSImpl(ctx context.Context, tx *Tx, create *api.VCSCreate) (*vcsRaw, error) {213 // Insert row into database.214 query := `215 INSERT INTO vcs (216 creator_id,217 updater_id,218 name,219 type,220 instance_url,221 api_url,222 application_id,223 secret224 )225 VALUES ($1, $2, $3, $4, $5, $6, $7, $8)226 RETURNING id, creator_id, created_ts, updater_id, updated_ts, name, type, instance_url, api_url, application_id, secret227 `228 var vcs vcsRaw229 if err := tx.QueryRowContext(ctx, query,230 create.CreatorID,231 create.CreatorID,232 create.Name,233 create.Type,234 create.InstanceURL,235 create.APIURL,236 create.ApplicationID,237 create.Secret,238 ).Scan(239 &vcs.ID,240 &vcs.CreatorID,241 &vcs.CreatedTs,242 &vcs.UpdaterID,243 &vcs.UpdatedTs,244 &vcs.Name,245 &vcs.Type,246 &vcs.InstanceURL,247 &vcs.APIURL,248 &vcs.ApplicationID,249 &vcs.Secret,250 ); err != nil {251 if err == sql.ErrNoRows {252 return nil, common.FormatDBErrorEmptyRowWithQuery(query)253 }254 return nil, FormatError(err)255 }256 return &vcs, nil257}258func findVCSImpl(ctx context.Context, tx *Tx, find *api.VCSFind) ([]*vcsRaw, error) {259 // Build WHERE clause.260 where, args := []string{"1 = 1"}, []interface{}{}261 if v := find.ID; v != nil {262 where, args = append(where, "id = $1"), append(args, *v)263 }264 rows, err := tx.QueryContext(ctx, `265 SELECT266 id,267 creator_id,268 created_ts,269 updater_id,270 updated_ts,271 name,272 type,273 instance_url,274 api_url,275 application_id,276 secret277 FROM vcs278 WHERE `+strings.Join(where, " AND "),279 args...,280 )281 if err != nil {282 return nil, FormatError(err)283 }284 defer rows.Close()285 // Iterate over result set and deserialize rows into list.286 var list []*vcsRaw287 for rows.Next() {288 var vcs vcsRaw289 if err := rows.Scan(290 &vcs.ID,291 &vcs.CreatorID,292 &vcs.CreatedTs,293 &vcs.UpdaterID,294 &vcs.UpdatedTs,295 &vcs.Name,296 &vcs.Type,297 &vcs.InstanceURL,298 &vcs.APIURL,299 &vcs.ApplicationID,300 &vcs.Secret,301 ); err != nil {302 return nil, FormatError(err)303 }304 list = append(list, &vcs)305 }306 if err := rows.Err(); err != nil {307 return nil, FormatError(err)308 }309 return list, nil310}311// patchVCSImpl updates a vcs by ID. Returns the new state of the vcs after update.312func patchVCSImpl(ctx context.Context, tx *Tx, patch *api.VCSPatch) (*vcsRaw, error) {313 // Build UPDATE clause.314 set, args := []string{"updater_id = $1"}, []interface{}{patch.UpdaterID}315 if v := patch.Name; v != nil {316 set, args = append(set, fmt.Sprintf("name = $%d", len(args)+1)), append(args, *v)317 }318 if v := patch.ApplicationID; v != nil {319 set, args = append(set, fmt.Sprintf("application_id = $%d", len(args)+1)), append(args, *v)320 }321 if v := patch.Secret; v != nil {322 set, args = append(set, fmt.Sprintf("secret = $%d", len(args)+1)), append(args, *v)323 }324 args = append(args, patch.ID)325 var vcs vcsRaw326 // Execute update query with RETURNING....

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snapshots.go

Source:snapshots.go Github

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...17 revertCommitHeadBase *[2]*string18 commitMessage string19}20type SnapshotOption func(*SnapshotOptions)21func WithPatchIDsFilter(patchIDs []string) SnapshotOption {22 return func(opts *SnapshotOptions) {23 if opts.patchIDsFilter == nil {24 opts.patchIDsFilter = new([]string)25 }26 *opts.patchIDsFilter = append(*opts.patchIDsFilter, patchIDs...)27 }28}29func WithRevert(head string, base *string) SnapshotOption {30 return func(opts *SnapshotOptions) {31 opts.revertCommitHeadBase = &[2]*string{&head, base}32 }33}34func WithCommitMessage(msg string) SnapshotOption {35 return func(opts *SnapshotOptions) {36 opts.commitMessage = msg37 }38}39func snapshotOptions(opts ...SnapshotOption) *SnapshotOptions {40 options := &SnapshotOptions{}41 for _, applyOption := range opts {42 applyOption(options)43 }44 return options45}46func snapshotPatchIDs(logger *zap.Logger, repo vcs.RepoGitReader, options *SnapshotOptions) ([]string, error) {47 if options.patchIDsFilter != nil {48 return *options.patchIDsFilter, nil49 }50 return allPatchIDs(logger, repo)51}52func allPatchIDs(logger *zap.Logger, repo vcs.RepoGitReader) ([]string, error) {53 diffs, err := repo.CurrentDiffNoIndex()54 if err != nil {55 return nil, fmt.Errorf("failed to get current diff: %w", err)56 }57 defer diffs.Free()58 differ := unidiff.NewUnidiff(unidiff.NewGitPatchReader(diffs), logger).WithExpandedHunks()59 fileDiffs, err := differ.Decorate()60 if err != nil {61 return nil, fmt.Errorf("failed to build diffs: %w", err)62 }63 var patchIDs []string64 for _, d := range fileDiffs {65 for _, h := range d.Hunks {66 patchIDs = append(patchIDs, h.ID)67 }68 }69 return patchIDs, nil70}71func SnapshotOnViewRepo(ctx context.Context, logger *zap.Logger, repo vcs.RepoReaderGitWriter, codebaseID codebases.ID, snapshotID snapshots.ID, signature git.Signature, opts ...SnapshotOption) (string, error) {72 start := time.Now()73 options := snapshotOptions(opts...)74 if snapshotID == "" {75 return "", errors.New("snapshotID is not set")76 }77 if options.revertCommitHeadBase != nil {78 return "", errors.New("expected revertCommitID to be nul, was set")79 }80 decoratedLogger := logger.With(81 zap.String("codebase_id", codebaseID.String()),82 zap.Stringer("snapshot_id", snapshotID),83 zap.String("repo_path", repo.Path()),84 )85 preCommit, err := repo.HeadCommit()86 if err != nil {87 return "", fmt.Errorf("failed to find current head: %w", err)88 }89 defer preCommit.Free()90 patchIDs, err := snapshotPatchIDs(decoratedLogger, repo, options)91 if err != nil {92 return "", err93 }94 var snapshotCommitID string95 decoratedLogger.Info("creating snapshot", zap.Int("patch_count", len(patchIDs)))96 commitMessage := fmt.Sprintf("snapshot-%d", time.Now().Unix())97 if options.commitMessage != "" {98 commitMessage = options.commitMessage99 }100 // If no patches are specified, create a snapshot of the entire view ("git add -a")101 if len(patchIDs) == 0 {102 snapshotCommitID, err = repo.AddAndCommitWithSignature(commitMessage, signature)103 } else {104 snapshotCommitID, err = vcs_change.CreateChangeFromPatchesOnRepo(ctx, decoratedLogger, repo, codebaseID, patchIDs, commitMessage, signature)105 }106 if err != nil {107 return "", fmt.Errorf("failed to make snapshot: %w", err)108 }109 decoratedLogger.Info("snapshot creation duration", zap.Duration("duration", time.Since(start)))110 err = repo.ResetMixed(preCommit.Id().String())111 if err != nil {112 return "", fmt.Errorf("failed to restore to workspace: %w", err)113 }114 // Push to upstream115 branchName := branchName(snapshotID)116 if err := repo.CreateNewBranchAt(branchName, snapshotCommitID); err != nil {117 return "", fmt.Errorf("failed to create branch at snapshot branchName=%s snapshotCommitID=%s: %w", branchName, snapshotCommitID, err)118 }119 if err := repo.Push(decoratedLogger, branchName); err != nil {120 return "", fmt.Errorf("failed to push snapshot branch branchName=%s snapshotCommitID=%s: %w", branchName, snapshotCommitID, err)121 }122 return snapshotCommitID, nil123}124func SnapshotOnViewRepoWithRevert(repo vcs.RepoWriter, logger *zap.Logger, snapshotID snapshots.ID, opts ...SnapshotOption) (string, error) {125 if snapshotID == "" {126 return "", errors.New("snapshotID is not set")127 }128 options := snapshotOptions(opts...)129 if options.revertCommitHeadBase == nil {130 return "", errors.New("expected revertCommitID to be set, got null")131 }132 hb := *options.revertCommitHeadBase133 // hb[0] is the "head" the change that's going to be the new base of the workspace134 // hb[1] is the "base" (the parent change of the "head") and is optional. If it's nil, diff against the root of the codebase.135 if hb[0] == nil {136 return "", errors.New("revertCommitHeadBase[0] (the head) is nil")137 }138 head := *hb[0]139 base := hb[1]140 if err := repo.CreateAndCheckoutBranchAtCommit(head, fmt.Sprintf("snapshot-pre-revert-%s", snapshotID)); err != nil {141 return "", fmt.Errorf("failed to create pre-revert branch: %w", err)142 }143 var diff *git.Diff144 var err error145 if base == nil {146 diff, err = repo.DiffRootToCommit(head)147 } else {148 diff, err = repo.DiffCommits(head, *base)149 }150 if err != nil {151 return "", fmt.Errorf("failed to create reversed diff: %w", err)152 }153 patches, err := unidiff.NewUnidiff(unidiff.NewGitPatchReader(diff), logger).PatchesBytes()154 if err != nil {155 return "", fmt.Errorf("failed to get patches: %w", err)156 }157 if err := repo.ApplyPatchesToWorkdir(patches); err != nil {158 return "", fmt.Errorf("failed to apply patches: %w", err)159 }160 snapshotCommitID, err := repo.AddAndCommit(fmt.Sprintf("snapshot-%d", time.Now().Unix()))161 if err != nil {162 return "", fmt.Errorf("failed to commit snapshot: %w", err)163 }164 err = repo.ResetMixed(*hb[0])165 if err != nil {166 return "", fmt.Errorf("failed to restore to workspace: %w", err)167 }168 branchName := branchName(snapshotID)169 // Push to upstream170 if err := repo.CreateNewBranchAt(branchName, snapshotCommitID); err != nil {171 return "", fmt.Errorf("failed to create branch at snapshot branchName=%s snapshotCommitID=%s: %w", branchName, snapshotCommitID, err)...

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remove.go

Source:remove.go Github

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...5 "getsturdy.com/api/pkg/unidiff/lfs"6 "getsturdy.com/api/vcs"7 "go.uber.org/zap"8)9func RemoveWithPatches(logger *zap.Logger, patches [][]byte, patchIDs ...string) func(vcs.RepoWriter) error {10 return func(r vcs.RepoWriter) error {11 return remove(r, logger, unidiff.NewBytesPatchReader(patches), patchIDs...)12 }13}14func Remove(logger *zap.Logger, patchIDs ...string) func(vcs.RepoWriter) error {15 return func(r vcs.RepoWriter) error {16 currentDiff, err := r.CurrentDiff()17 if err != nil {18 return err19 }20 defer currentDiff.Free()21 return remove(r, logger, unidiff.NewGitPatchReader(currentDiff), patchIDs...)22 }23}24func remove(r vcs.RepoWriter, logger *zap.Logger, patchReader unidiff.PatchReader, patchIDs ...string) error {25 lfsFilter, err := lfs.NewIgnoreLfsSmudgedFilter(r)26 if err != nil {27 return err28 }29 binaryDiffs, nonBinaryDiffs, err := unidiff.NewUnidiff(patchReader, logger).30 WithExpandedHunks().31 WithHunksFilter(patchIDs...).32 WithInverter().33 WithFilterFunc(lfsFilter).34 DecorateSeparateBinary()35 if err != nil {36 return err37 }38 var nonBinaryPatches [][]byte39 for _, diff := range nonBinaryDiffs {40 if diff.IsNew || diff.IsDeleted {41 binaryDiffs = append(binaryDiffs, diff)42 continue43 }44 for _, hunk := range diff.Hunks {45 nonBinaryPatches = append(nonBinaryPatches, []byte(hunk.Patch))46 }47 }48 if err := r.ApplyPatchesToWorkdir(nonBinaryPatches); err != nil {49 return fmt.Errorf("failed to add inverted patches: %w", err)50 }51 for _, binDiff := range binaryDiffs {52 // The status has been inverted from what the user is experiencing.53 switch {54 case binDiff.IsDeleted:55 if err := r.CheckoutFile(binDiff.OrigName); err != nil {56 return fmt.Errorf("failed to reset binary file (was deleted): %w", err)57 }58 case binDiff.IsNew:59 if err := r.DeleteFile(binDiff.NewName); err != nil {60 return fmt.Errorf("failed to delete binary file (was new): %w", err)61 }62 case !binDiff.IsNew && !binDiff.IsDeleted && binDiff.OrigName == binDiff.NewName: // modified in-place...

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Patch

Using AI Code Generation

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1import (2func main() {3 repoRoot, err := vcs.RepoRootForImportPath("code.google.com/p/go.tools", false)4 if err != nil {5 log.Fatal(err)6 }7 repo, err := vcs.NewRepoRoot(repoRoot)8 if err != nil {9 log.Fatal(err)10 }11 err = repo.Patch(os.Stdout, "go.tools", "9b9c7c1d2d01", "HEAD")12 if err != nil {13 log.Fatal(err)14 }15}16@@ -23,7 +23,7 @@ import (

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Patch

Using AI Code Generation

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1import (2func main() {3 r, err := git.PlainOpen("test")4 if err != nil {5 log.Fatal(err)6 }7 w, err := r.Worktree()8 if err != nil {9 log.Fatal(err)10 }11 err = w.Checkout(&git.CheckoutOptions{12 Hash: plumbing.NewHash("b8e471f58bcbca63b07bda20e428190409c2db47"),13 })14 if err != nil {15 log.Fatal(err)16 }17 patch, err := w.Patch("test.txt")18 if err != nil {19 log.Fatal(err)20 }21 fmt.Println(patch)22}

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Patch

Using AI Code Generation

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1import (2func main() {3 wd, err := os.Getwd()4 if err != nil {5 log.Fatal(err)6 }7 if err != nil {8 log.Fatal(err)9 }10 if err != nil {11 log.Fatal(err)12 }13 relPath, err := filepath.Rel(repoRootPath, wd)14 if err != nil {15 log.Fatal(err)16 }17 if err != nil {18 log.Fatal(err)19 }20 if err != nil {21 log.Fatal(err)22 }23 if err != nil {24 log.Fatal(err)25 }26 fmt.Printf("Working directory: %s27 fmt.Printf("Working directory as a url: %s28 fmt.Printf("Working directory as a vcs repository: %s29 fmt.Printf("Root path of the repository: %s30 fmt.Printf("Relative path of the current working directory inside

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Patch

Using AI Code Generation

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1import (2func main() {3 v, err := vcs.NewVCS("git")4 if err != nil {5 fmt.Println(err)6 }7 patches, err := v.Patch("

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Patch

Using AI Code Generation

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1import (2func main() {3 v := vcs.NewVcs()4 f := vcs.NewFile("file1.txt", "Hello")5 v.AddFile(f)6 f = vcs.NewFile("file2.txt", "World")7 v.AddFile(f)8 f = vcs.NewFile("file3.txt", "!")9 v.AddFile(f)10 f = vcs.NewFile("file4.txt", "!")11 v.AddFile(f)12 f = vcs.NewFile("file5.txt", "!")13 v.AddFile(f)14 f = vcs.NewFile("file6.txt", "!")15 v.AddFile(f)16 f = vcs.NewFile("file7.txt", "!")17 v.AddFile(f)18 f = vcs.NewFile("file8.txt", "!")19 v.AddFile(f)20 f = vcs.NewFile("file9.txt", "!")21 v.AddFile(f)22 f = vcs.NewFile("file10.txt", "!")23 v.AddFile(f)24 f = vcs.NewFile("file11.txt", "!")25 v.AddFile(f)26 f = vcs.NewFile("file12.txt", "!")27 v.AddFile(f)28 f = vcs.NewFile("file13.txt", "!")29 v.AddFile(f)30 f = vcs.NewFile("file14.txt", "!")

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Patch

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1import (2func main() {3 r, err := vcs.RepoRootForImportPath("golang.org/x/tools", true)4 if err != nil {5 fmt.Println(err)6 }7 vcs := vcs.ByCmd(r.VCS.Cmd)8 if vcs == nil {9 fmt.Println("vcs not found")10 }11 diff, err := vcs.Patch(r.Repo, "go/vcs/vcs.go", "a9b6e2d6f0e6")12 if err != nil {13 fmt.Println(err)14 }15 fmt.Println(diff)16}

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