github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/libraries/doltcore/env/dolt_docs.go (about) 1 // Copyright 2019 Dolthub, Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package env 16 17 import ( 18 "context" 19 20 "github.com/dolthub/dolt/go/libraries/doltcore/doltdb" 21 ) 22 23 // ResetWorkingDocsToStagedDocs resets the `dolt_docs` table on the working root to match the staged root. 24 // If the `dolt_docs` table does not exist on the staged root, it will be removed from the working root. 25 func ResetWorkingDocsToStagedDocs(ctx context.Context, ddb *doltdb.DoltDB, rsr RepoStateReader, rsw RepoStateWriter) error { 26 wrkRoot, err := WorkingRoot(ctx, ddb, rsr) 27 if err != nil { 28 return err 29 } 30 31 stgRoot, err := StagedRoot(ctx, ddb, rsr) 32 if err != nil { 33 return err 34 } 35 36 stgDocTbl, stgDocsFound, err := stgRoot.GetTable(ctx, doltdb.DocTableName) 37 if err != nil { 38 return err 39 } 40 41 _, wrkDocsFound, err := wrkRoot.GetTable(ctx, doltdb.DocTableName) 42 if err != nil { 43 return err 44 } 45 46 if wrkDocsFound && !stgDocsFound { 47 newWrkRoot, err := wrkRoot.RemoveTables(ctx, doltdb.DocTableName) 48 if err != nil { 49 return err 50 } 51 _, err = UpdateWorkingRoot(ctx, ddb, rsw, newWrkRoot) 52 return err 53 } 54 55 if stgDocsFound { 56 newWrkRoot, err := wrkRoot.PutTable(ctx, doltdb.DocTableName, stgDocTbl) 57 if err != nil { 58 return err 59 } 60 _, err = UpdateWorkingRoot(ctx, ddb, rsw, newWrkRoot) 61 return err 62 } 63 return nil 64 }