l0nax/changelog-go

package changelog

import (
    "os"
    "path"
    "path/filepath"

    "github.com/pkg/errors"

    "github.com/spf13/viper"

    "gitlab.com/l0nax/changelog-go/internal"
)

// createReleaseDir creates the needed directory structure for all Changelog
// releases
func createReleaseDir(version string) error {
    basePath := path.Join(internal.GitPath, viper.GetString("changelog.entryPath"))
    releasedPath := path.Join(basePath, "released", version)
    // unreleased := path.Join(basePath, "unreleased")

    log.Debugf("New release path: '%s'\n", releasedPath)

    // NOTE: Should we add an 'force' flag to delete the existing directory?
    if _, err := os.Stat(releasedPath); !os.IsNotExist(err) {
        // error because this release already exists
        return errors.New("Release Path already exists.")
    }

    err := os.MkdirAll(releasedPath, os.ModePerm)
    if err != nil {
        return err
    }

    return nil
}

// moveToReleaseFolder moves all unreleased changelog-entry files to the specifc
// release directory.
func moveToReleaseFolder(version string) error {
    basePath := path.Join(internal.GitPath, viper.GetString("changelog.entryPath"))
    releasedPath := path.Join(basePath, "released", version)
    unreleased := path.Join(basePath, "unreleased")

    // get all files from the unrealed folder
    err := filepath.Walk(unreleased, func(_path string, info os.FileInfo, err error) error {
        // check if type is file, if not just skip
        if info.IsDir() {
            return nil
        }

        // since it's a file, we can now move it to the new directory.
        return os.Rename(_path, path.Join(releasedPath, info.Name()))
    })
    if err != nil {
        return errors.Wrap(err, "Error while moving changelog-entry to release directory")
    }

    return nil
}