74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
// Package cli defines the ocdsgen command tree using Cobra. The commands are
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// thin wrappers around internal/generator.
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package cli
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import (
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"fmt"
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"io"
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"time"
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"github.com/spf13/cobra"
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"git.avsdev.uk/Go/go-ocds/internal/generator"
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)
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// options are the flags shared by every subcommand.
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type options struct {
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config string
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timeout time.Duration
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strict bool
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quiet bool
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}
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// NewRootCmd builds the command tree. It returns a fresh tree on each call so
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// tests can run commands in isolation.
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func NewRootCmd() *cobra.Command {
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opts := &options{}
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root := &cobra.Command{
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Use: "ocdsgen",
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Short: "Generate Go types for OCDS releases with chosen extensions",
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Long: `ocdsgen reads an extensions.json config listing the OCDS core schemas and
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extension URLs, resolves extension dependencies, applies each extension's
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schema patch in order, and generates Go structs from the result.`,
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SilenceUsage: true, // don't print usage on runtime errors
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SilenceErrors: true, // main prints the error once
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}
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pf := root.PersistentFlags()
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pf.StringVarP(&opts.config, "config", "c", "extensions.json", "path to the extensions config file")
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pf.DurationVar(&opts.timeout, "timeout", 60*time.Second, "timeout for each HTTP request")
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pf.BoolVar(&opts.strict, "strict", false, "fail if the generator reports any warnings")
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pf.BoolVarP(&opts.quiet, "quiet", "q", false, "don't print notes and warnings")
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root.AddCommand(
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newVersionCmd(),
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newGenerateCmd(opts),
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newResolveCmd(opts),
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newSchemaCmd(opts),
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)
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return root
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}
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// setup loads the config and creates a Generator that logs to the command's
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// stderr (or nowhere, with --quiet).
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func (o *options) setup(cmd *cobra.Command) (*generator.Config, *generator.Generator, error) {
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cfg, err := generator.LoadConfig(o.config)
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if err != nil {
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return nil, nil, err
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}
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var log io.Writer = cmd.ErrOrStderr()
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if o.quiet {
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log = io.Discard
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}
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return cfg, generator.New(log, o.timeout), nil
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}
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// finish enforces --strict once a command's work is done.
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func (o *options) finish(g *generator.Generator) error {
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if n := g.Warnings(); o.strict && n > 0 {
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return fmt.Errorf("%d warning(s) reported and --strict is set", n)
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}
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return nil
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}
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