wehub-resource-sync
115 lines
3.2 KiB
Go
115 lines
3.2 KiB
Go
// Copyright 2022 Dolthub, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package docscmds
|
|
|
|
import (
|
|
"context"
|
|
|
|
textdiff "github.com/andreyvit/diff"
|
|
"github.com/dolthub/go-mysql-server/sql"
|
|
|
|
"github.com/dolthub/dolt/go/cmd/dolt/cli"
|
|
"github.com/dolthub/dolt/go/cmd/dolt/commands"
|
|
"github.com/dolthub/dolt/go/cmd/dolt/commands/engine"
|
|
"github.com/dolthub/dolt/go/cmd/dolt/errhand"
|
|
"github.com/dolthub/dolt/go/libraries/doltcore/env"
|
|
"github.com/dolthub/dolt/go/libraries/utils/argparser"
|
|
)
|
|
|
|
var diffDocs = cli.CommandDocumentationContent{
|
|
ShortDesc: "Diffs Dolt Docs",
|
|
LongDesc: "Diffs Dolt Docs",
|
|
Synopsis: []string{
|
|
"{{.LessThan}}doc{{.GreaterThan}}",
|
|
},
|
|
}
|
|
|
|
type DiffCmd struct{}
|
|
|
|
// Name implements cli.Command.
|
|
func (cmd DiffCmd) Name() string {
|
|
return "diff"
|
|
}
|
|
|
|
// Description implements cli.Command.
|
|
func (cmd DiffCmd) Description() string {
|
|
return diffDocs.ShortDesc
|
|
}
|
|
|
|
// RequiresRepo implements cli.Command.
|
|
func (cmd DiffCmd) RequiresRepo() bool {
|
|
return true
|
|
}
|
|
|
|
// Docs implements cli.Command.
|
|
func (cmd DiffCmd) Docs() *cli.CommandDocumentation {
|
|
ap := cmd.ArgParser()
|
|
return cli.NewCommandDocumentation(diffDocs, ap)
|
|
}
|
|
|
|
// ArgParser implements cli.Command.
|
|
func (cmd DiffCmd) ArgParser() *argparser.ArgParser {
|
|
ap := argparser.NewArgParserWithMaxArgs(cmd.Name(), 1)
|
|
ap.ArgListHelp = append(ap.ArgListHelp, [2]string{"doc", "Dolt doc to be diffed."})
|
|
return ap
|
|
}
|
|
|
|
// Exec implements cli.Command.
|
|
func (cmd DiffCmd) Exec(ctx context.Context, commandStr string, args []string, dEnv *env.DoltEnv, cliCtx cli.CliContext) int {
|
|
ap := cmd.ArgParser()
|
|
help, usage := cli.HelpAndUsagePrinters(cli.CommandDocsForCommandString(commandStr, diffDocs, ap))
|
|
apr := cli.ParseArgsOrDie(ap, args, help)
|
|
|
|
if apr.NArg() != 1 {
|
|
verr := errhand.BuildDError("dolt docs diff takes exactly one argument").Build()
|
|
return commands.HandleVErrAndExitCode(verr, usage)
|
|
}
|
|
|
|
var verr errhand.VerboseError
|
|
if err := diffDoltDoc(ctx, dEnv, apr.Arg(0)); err != nil {
|
|
verr = errhand.VerboseErrorFromError(err)
|
|
}
|
|
|
|
return commands.HandleVErrAndExitCode(verr, usage)
|
|
}
|
|
|
|
func diffDoltDoc(ctx context.Context, dEnv *env.DoltEnv, docName string) error {
|
|
eng, dbName, err := engine.NewSqlEngineForEnv(ctx, dEnv)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
sqlCtx, err := eng.NewLocalContext(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer sql.SessionEnd(sqlCtx.Session)
|
|
sql.SessionCommandBegin(sqlCtx.Session)
|
|
defer sql.SessionCommandEnd(sqlCtx.Session)
|
|
sqlCtx.SetCurrentDatabase(dbName)
|
|
|
|
working, err := readDocFromTable(sqlCtx, eng, docName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
head, err := readDocFromTableAsOf(sqlCtx, eng, docName, "HEAD")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
cli.Print(textdiff.LineDiff(head, working))
|
|
return nil
|
|
}
|