| // Copyright 2018 The CUE Authors |
| // |
| // 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 cmd |
| |
| import ( |
| "cuelang.org/go/cue" |
| "cuelang.org/go/cue/ast" |
| "cuelang.org/go/cue/parser" |
| "github.com/spf13/cobra" |
| "golang.org/x/text/message" |
| ) |
| |
| func newVetCmd() *cobra.Command { |
| cmd := &cobra.Command{ |
| Use: "vet", |
| Short: "validate CUE configurations", |
| RunE: doVet, |
| } |
| |
| cmd.Flags().BoolP(string(flagConcrete), "c", false, |
| "require the evaluation to be concrete") |
| |
| return cmd |
| } |
| |
| func doVet(cmd *cobra.Command, args []string) error { |
| instances := buildFromArgs(cmd, args) |
| |
| var exprs []ast.Expr |
| for _, e := range flagExpression.StringArray(cmd) { |
| expr, err := parser.ParseExpr("<expression flag>", e) |
| if err != nil { |
| return err |
| } |
| exprs = append(exprs, expr) |
| } |
| |
| shown := false |
| |
| for _, inst := range instances { |
| // TODO: use ImportPath or some other sanitized path. |
| |
| concrete := true |
| hasFlag := false |
| if flag := cmd.Flag(string(flagConcrete)); flag != nil { |
| hasFlag = flag.Changed |
| if hasFlag { |
| concrete = flagConcrete.Bool(cmd) |
| } |
| } |
| opt := []cue.Option{ |
| cue.Attributes(true), |
| cue.Optional(true), |
| cue.Hidden(true), |
| } |
| w := cmd.OutOrStderr() |
| err := inst.Value().Validate(append(opt, cue.Concrete(concrete))...) |
| if err != nil && !hasFlag { |
| err = inst.Value().Validate(append(opt, cue.Concrete(false))...) |
| if !shown && err == nil { |
| shown = true |
| p := message.NewPrinter(getLang()) |
| p.Fprintln(w, "some instances are incomplete; use the -c flag to show errors or suppress this message") |
| } |
| } |
| exitIfErr(cmd, inst, err, false) |
| } |
| return nil |
| } |