andrey
f9a0411192
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Go Action / goaction (push) Successful in 29s
Reviewed-on: #12
79 lines
1.5 KiB
Go
79 lines
1.5 KiB
Go
package generate
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import (
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"context"
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"fmt"
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"go/format"
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"os"
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"os/exec"
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"path/filepath"
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"gitoa.ru/go-4devs/config/definition/generate/bootstrap"
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)
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func NewGConfig(fname string, opts ...Option) (Config, error) {
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opts = append([]Option{
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WithFile(fname),
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}, opts...)
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return NewConfig(opts...), nil
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}
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type GConfig interface {
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BuildTags() string
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OutName() string
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bootstrap.Config
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}
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func Generate(ctx context.Context, cfg GConfig) error {
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path, err := bootstrap.Bootstrap(ctx, cfg)
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defer os.Remove(path)
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if err != nil {
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return fmt.Errorf("build bootstrap:%w", err)
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}
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tmpFile, err := os.Create(cfg.File() + ".tmp")
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if err != nil {
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return fmt.Errorf("create tmp file:%w", err)
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}
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defer os.Remove(tmpFile.Name()) // will not remove after rename
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execArgs := []string{"run"}
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if len(cfg.BuildTags()) > 0 {
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execArgs = append(execArgs, "-tags", cfg.BuildTags())
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}
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execArgs = append(execArgs, filepath.Base(path))
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cmd := exec.CommandContext(ctx, "go", execArgs...)
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cmd.Stdout = tmpFile
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cmd.Stderr = os.Stderr
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cmd.Dir = filepath.Dir(path)
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if err = cmd.Run(); err != nil {
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return fmt.Errorf("start cmd:%w", err)
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}
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tmpFile.Close()
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// format file and write to out path
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in, err := os.ReadFile(tmpFile.Name())
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if err != nil {
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return fmt.Errorf("read file: %w", err)
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}
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out, err := format.Source(in)
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if err != nil {
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return fmt.Errorf("format source:%w", err)
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}
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err = os.WriteFile(cfg.OutName(), out, 0o644) //nolint:gosec,mnd
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if err != nil {
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return fmt.Errorf("write file:%w", err)
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}
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return nil
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}
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