/*
findDofile searches for the most specific .do file for the target and, if found, returns a DoInfo
structure whose Missing field is an array of paths to more specific .do files, if any, that were not found.
Multiple extensions do not change the $2 argument to the .do script, which still only has one level of
extension removed.
*/
func (f *File) findDoFile() (*DoInfo, error) {
candidates := []string{f.Name + ".do"}
ext := strings.Split(f.Name, ".")
for i := 0; i < len(ext); i++ {
candidates = append(candidates, strings.Join(append(append([]string{"default"}, ext[i+1:]...), "do"), "."))
}
relPath := &RelPath{}
var missing []string
dir := f.Dir
TOP:
for {
for _, candidate := range candidates {
path := filepath.Join(dir, candidate)
exists, err := fileutils.FileExists(path)
if err != nil {
return nil, err
} else if exists {
return &DoInfo{dir, candidate, relPath.Join(), missing}, nil
} else {
missing = append(missing, path)
}
}
if dir == f.RootDir {
break TOP
}
relPath.Add(filepath.Base(dir))
dir = filepath.Dir(dir)
}
return &DoInfo{Missing: missing}, nil
}
// Exist verifies that the file exists on disk.
func (f *File) Exists() (bool, error) {
return fileutils.FileExists(f.Fullpath())
}
func runRedo(targets []string) error {
// set options from environment if not provided.
if verbosity.NArg() == 0 {
for i := len(os.Getenv("REDO_VERBOSE")); i > 0; i-- {
verbosity.Set("true")
}
}
if debug.NArg() == 0 {
if len(os.Getenv("REDO_DEBUG")) > 0 {
debug.Set("true")
}
}
if s := shArgs; s != "" {
os.Setenv("REDO_SHELL_ARGS", s)
redux.ShellArgs = s
}
// if shell args are set, ensure that at least minimal verbosity is also set.
if redux.ShellArgs != "" && (verbosity.NArg() == 0) {
verbosity.Set("true")
}
// Set explicit options to avoid clobbering environment inherited options.
if n := verbosity.NArg(); n > 0 {
os.Setenv("REDO_VERBOSE", strings.Repeat("x", n))
redux.Verbosity = n
}
if n := debug.NArg(); n > 0 {
os.Setenv("REDO_DEBUG", "true")
redux.Debug = true
}
// If no arguments are specified, use run default target if its .do file exists.
// Otherwise, print usage and exit.
if len(targets) == 0 && os.Getenv("REDO_DEPTH") == "" {
if found, err := fileutils.FileExists(DEFAULT_DO); err != nil {
return err
} else if found {
targets = append(targets, DEFAULT_TARGET)
} else {
targets = append(targets, "all")
}
}
wd, err := os.Getwd()
if err != nil {
return err
}
// It *is* slower to reinitialize for each target, but doing
// so guarantees that a single redo call with multiple targets that
// potentially have differing roots will work correctly.
for _, path := range targets {
if file, err := redux.NewFile(wd, path); err != nil {
return err
} else {
file.IsTaskFlag = isTask
if err := file.Redo(); err != nil {
return err
}
}
}
return nil
}