bump

type Actions struct {
	VersionChanges []VersionChange
	FileChanges    []FileChange
	RunShells      []RunShell
}

type Check struct {
	File *File
	Name string

	// bump: <name> /<re>/ <pipeline>
	PipelineLineNr   int
	CurrentREStr     string
	CurrentRE        *regexp.Regexp
	Pipeline         pipeline.Pipeline
	PipelineDuration time.Duration

	// bump: <name> command ...
	CommandShells []CheckShell
	// bump: <name> after ...
	AfterShells []CheckShell
	// bump: <name> message <title> <url>
	Messages []CheckMessage
	// bump: <name> link <title> <url>
	Links []CheckLink

	Latest   string
	Currents []Current
}

type CheckLink struct {
	Title  string
	URL    string
	File   *File
	LineNr int
}

type CheckMessage struct {
	Message string
	File    *File
	LineNr  int
}

type CheckShell struct {
	Cmd    string
	File   *File
	LineNr int
}

type Current struct {
	File    *File
	LineNr  int
	Range   [2]int
	Version string
}

type File struct {
	Name          string
	Text          []byte
	HasConfig     bool
	HasCurrents   bool
	HasNoVersions bool // for Bumpfile
}

type FileChange struct {
	File    *File
	NewText string
	Diff    string
}

type FileSet struct {
	Files       []*File
	Filters     []filter.NamedFilter
	Checks      []*Check
	SkipCheckFn func(c *Check) bool
}

type OS interface {
	Args() []string
	Getenv(name string) string
	Stdout() io.Writer
	Stderr() io.Writer
	WriteFile(filename string, data []byte) error
	ReadFile(filename string) ([]byte, error)
	Glob(pattern string) ([]string, error)
	Shell(cmd string, env []string) error
	Exec(args []string, env []string) error
}

type RunShell struct {
	Check *Check
	Cmd   string
	Env   []string
}

type VersionChange struct {
	Check    *Check
	Currents []Current
}