wehub-resource-sync
152 lines
3.7 KiB
Go
152 lines
3.7 KiB
Go
// Copyright 2023 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package doltdb
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import (
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"context"
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"errors"
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"fmt"
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"github.com/dolthub/dolt/go/store/datas"
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"github.com/dolthub/dolt/go/store/hash"
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"github.com/dolthub/dolt/go/store/prolly/tree"
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"github.com/dolthub/dolt/go/store/types"
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)
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type Stash struct {
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Name string
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BranchReference string
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Description string
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CommitHash string
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StashReference string
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}
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const (
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DoltCliRef = "dolt-cli"
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)
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// getStashList returns array of Stash objects containing all stash entries in the stash list map.
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func getStashList(ctx context.Context, ds datas.Dataset, vrw types.ValueReadWriter, ns tree.NodeStore, reference string) ([]*Stash, error) {
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v, ok := ds.MaybeHead()
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if !ok {
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return nil, errors.New("stashes not found")
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}
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stashHashes, err := datas.GetHashListFromStashList(ctx, ns, v)
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if err != nil {
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return nil, err
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}
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var sl = make([]*Stash, len(stashHashes))
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for i, stashHash := range stashHashes {
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var s Stash
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s.Name = fmt.Sprintf("stash@{%v}", i)
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stashVal, err := vrw.MustReadValue(ctx, stashHash)
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if err != nil {
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return nil, err
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}
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_, headCommitAddr, meta, err := datas.GetStashData(stashVal)
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if err != nil {
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return nil, err
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}
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hc, err := datas.LoadCommitAddr(ctx, vrw, headCommitAddr)
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if err != nil {
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return nil, err
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}
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if hc.IsGhost() {
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return nil, ErrGhostCommitEncountered
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}
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headCommit, err := NewCommit(ctx, vrw, ns, hc)
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if err != nil {
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return nil, err
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}
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headCommitHash, err := headCommit.HashOf()
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if err != nil {
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return nil, err
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}
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s.CommitHash = headCommitHash.String()
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s.BranchReference = meta.BranchName
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s.Description = meta.Description
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s.StashReference = reference
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sl[i] = &s
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}
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return sl, nil
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}
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// getStashHashAtIdx returns hash address only of the stash at given index.
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func getStashHashAtIdx(ctx context.Context, ds datas.Dataset, ns tree.NodeStore, idx int) (hash.Hash, error) {
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v, ok := ds.MaybeHead()
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if !ok {
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return hash.Hash{}, errors.New("stashes not found")
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}
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return datas.GetStashAtIdx(ctx, ns, v, idx)
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}
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// getStashAtIdx returns stash root value and head commit of a stash entry at given index.
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func getStashAtIdx(ctx context.Context, ds datas.Dataset, vrw types.ValueReadWriter, ns tree.NodeStore, idx int) (RootValue, *Commit, *datas.StashMeta, error) {
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v, ok := ds.MaybeHead()
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if !ok {
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return nil, nil, nil, errors.New("stashes not found")
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}
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stashHash, err := datas.GetStashAtIdx(ctx, ns, v, idx)
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if err != nil {
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return nil, nil, nil, err
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}
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stashVal, err := vrw.MustReadValue(ctx, stashHash)
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if err != nil {
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return nil, nil, nil, err
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}
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stashRootAddr, headCommitAddr, meta, err := datas.GetStashData(stashVal)
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if err != nil {
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return nil, nil, nil, err
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}
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hc, err := datas.LoadCommitAddr(ctx, vrw, headCommitAddr)
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if err != nil {
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return nil, nil, nil, err
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}
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if hc.IsGhost() {
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return nil, nil, nil, ErrGhostCommitEncountered
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}
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headCommit, err := NewCommit(ctx, vrw, ns, hc)
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if err != nil {
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return nil, nil, nil, err
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}
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stashRootVal, err := vrw.MustReadValue(ctx, stashRootAddr)
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if err != nil {
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return nil, nil, nil, err
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}
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stashRoot, err := NewRootValue(ctx, vrw, ns, stashRootVal)
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if err != nil {
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return nil, nil, nil, err
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}
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return stashRoot, headCommit, meta, nil
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}
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