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gen.go
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gen.go
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//go:build mage
package main
import (
"bytes"
"fmt"
"os"
"path/filepath"
"strings"
"text/template"
"github.com/magefile/mage/mg"
)
type Gen mg.Namespace
// All runs all generators in parallel
func (g Gen) All() error {
mg.Deps(g.Proto)
return nil
}
const (
ProtoPath = "proto/authzed/api"
BufRepository = "buf.build/authzed/api"
BufTag = "d12b0c6cb910ec1b21bb4abc5ee43f53efb9896c"
)
// Proto runs proto codegen
func (Gen) Proto() error {
bufRef := BufRepository + ":" + BufTag
fmt.Println("generating", bufRef)
runDirV("magefiles", "go", "run", "github.com/bufbuild/buf/cmd/buf", "generate", bufRef)
return generateVersionFiles()
}
func generateVersionFiles() error {
tmpl, err := template.ParseFiles("magefiles/version.go.tpl")
if err != nil {
return fmt.Errorf("failed to parse version template: %w", err)
}
entries, err := os.ReadDir(ProtoPath)
if err != nil {
return err
}
for _, entry := range entries {
if entry.IsDir() && !strings.HasSuffix(entry.Name(), "_test") {
var b bytes.Buffer
tmpl.Execute(&b, map[string]string{
"package": entry.Name(),
"bufRepo": BufRepository,
"bufTag": BufTag,
})
versionPath := filepath.Join(ProtoPath, entry.Name(), "zz_generated.version.go")
if err := os.WriteFile(versionPath, b.Bytes(), 0o644); err != nil {
return err
}
}
}
return nil
}