Golang Progress.Flush方法代码示例

//.........这里部分代码省略.........
			}
		}

		if progress != nil {
			progress.ShutdownBar()
		}

		udebs := []bool{false}
		if hadUdebs {
			udebs = append(udebs, true)

			// For all architectures, pregenerate .udeb indexes
			for _, arch := range p.Architectures {
				indexes.PackageIndex(component, arch, true)
			}
		}

		// For all architectures, generate Release files
		for _, arch := range p.Architectures {
			for _, udeb := range udebs {
				release := make(Stanza)
				release["Archive"] = p.Distribution
				release["Architecture"] = arch
				release["Component"] = component
				release["Origin"] = p.GetOrigin()
				release["Label"] = p.GetLabel()

				var bufWriter *bufio.Writer
				bufWriter, err = indexes.ReleaseIndex(component, arch, udeb).BufWriter()
				if err != nil {
					return fmt.Errorf("unable to get ReleaseIndex writer: %s", err)
				}

				err = release.WriteTo(bufWriter, false, true)
				if err != nil {
					return fmt.Errorf("unable to create Release file: %s", err)
				}
			}
		}
	}

	if progress != nil {
		progress.Printf("Finalizing metadata files...\n")
	}

	err = indexes.FinalizeAll(progress)
	if err != nil {
		return err
	}

	release := make(Stanza)
	release["Origin"] = p.GetOrigin()
	release["Label"] = p.GetLabel()
	release["Suite"] = p.Distribution
	release["Codename"] = p.Distribution
	release["Date"] = time.Now().UTC().Format("Mon, 2 Jan 2006 15:04:05 MST")
	release["Architectures"] = strings.Join(utils.StrSlicesSubstract(p.Architectures, []string{"source"}), " ")
	release["Description"] = " Generated by aptly\n"
	release["MD5Sum"] = ""
	release["SHA1"] = ""
	release["SHA256"] = ""
	release["SHA512"] = ""

	release["Components"] = strings.Join(p.Components(), " ")

	for path, info := range indexes.generatedFiles {
		release["MD5Sum"] += fmt.Sprintf(" %s %8d %s\n", info.MD5, info.Size, path)
		release["SHA1"] += fmt.Sprintf(" %s %8d %s\n", info.SHA1, info.Size, path)
		release["SHA256"] += fmt.Sprintf(" %s %8d %s\n", info.SHA256, info.Size, path)
		release["SHA512"] += fmt.Sprintf(" %s %8d %s\n", info.SHA512, info.Size, path)
	}

	releaseFile := indexes.ReleaseFile()
	bufWriter, err := releaseFile.BufWriter()
	if err != nil {
		return err
	}

	err = release.WriteTo(bufWriter, false, true)
	if err != nil {
		return fmt.Errorf("unable to create Release file: %s", err)
	}

	// Signing files might output to console, so flush progress writer first
	if progress != nil {
		progress.Flush()
	}

	err = releaseFile.Finalize(signer)
	if err != nil {
		return err
	}

	err = indexes.RenameFiles()
	if err != nil {
		return err
	}

	return nil
}

//.........这里部分代码省略.........

		err = list.ForEach(func(pkg *Package) error {
			if progress != nil {
				progress.AddBar(1)
			}
			if pkg.MatchesArchitecture(arch) {
				err = pkg.LinkFromPool(publishedStorage, packagePool, p.Prefix, p.Component)
				if err != nil {
					return err
				}

				err = pkg.Stanza().WriteTo(bufWriter)
				if err != nil {
					return err
				}
				err = bufWriter.WriteByte('\n')
				if err != nil {
					return err
				}

				pkg.files = nil
				pkg.deps = nil
				pkg.extra = nil

			}

			return nil
		})

		if err != nil {
			return fmt.Errorf("unable to process packages: %s", err)
		}

		err = bufWriter.Flush()
		if err != nil {
			return fmt.Errorf("unable to write Packages file: %s", err)
		}

		err = utils.CompressFile(packagesFile)
		if err != nil {
			return fmt.Errorf("unable to compress Packages files: %s", err)
		}

		if suffix != "" {
			renameMap[filepath.Join(basePath, relativePath+suffix+".gz")] = filepath.Join(basePath, relativePath+".gz")
			renameMap[filepath.Join(basePath, relativePath+suffix+".bz2")] = filepath.Join(basePath, relativePath+".bz2")
		}

		packagesFile.Close()

		var checksumInfo utils.ChecksumInfo
		checksumInfo, err = publishedStorage.ChecksumsForFile(filepath.Join(basePath, relativePath+suffix))
		if err != nil {
			return fmt.Errorf("unable to collect checksums: %s", err)
		}
		generatedFiles[relativePath] = checksumInfo

		checksumInfo, err = publishedStorage.ChecksumsForFile(filepath.Join(basePath, relativePath+suffix+".gz"))
		if err != nil {
			return fmt.Errorf("unable to collect checksums: %s", err)
		}
		generatedFiles[relativePath+".gz"] = checksumInfo

		checksumInfo, err = publishedStorage.ChecksumsForFile(filepath.Join(basePath, relativePath+suffix+".bz2"))
		if err != nil {
			return fmt.Errorf("unable to collect checksums: %s", err)