//export Glob
func Glob(cPackage *C.char, cIncludes **C.char, numIncludes int, cExcludes **C.char, numExcludes int, includeHidden bool) **C.char {
packageName := C.GoString(cPackage)
includes := cStringArrayToStringSlice(cIncludes, numIncludes, "")
prefixedExcludes := cStringArrayToStringSlice(cExcludes, numExcludes, packageName)
excludes := cStringArrayToStringSlice(cExcludes, numExcludes, "")
filenames := core.Glob(packageName, includes, prefixedExcludes, excludes, includeHidden)
return stringSliceToCStringArray(filenames)
}
func moveOutputs(state *core.BuildState, target *core.BuildTarget) ([]string, bool, error) {
// Before we write any outputs, we must remove the old hash file to avoid it being
// left in an inconsistent state.
if err := os.RemoveAll(ruleHashFileName(target)); err != nil {
return nil, true, err
}
changed := false
tmpDir := target.TmpDir()
outDir := target.OutDir()
for _, output := range target.Outputs() {
tmpOutput := path.Join(tmpDir, output)
realOutput := path.Join(outDir, output)
if !core.PathExists(tmpOutput) {
return nil, true, fmt.Errorf("Rule %s failed to create output %s", target.Label, tmpOutput)
}
// If output is a symlink, dereference it. Otherwise, for efficiency,
// we can just move it without a full copy (saves copying large .jar files etc).
dereferencedPath, err := filepath.EvalSymlinks(tmpOutput)
if err != nil {
return nil, true, err
}
// NB. false -> not filegroup, we wouldn't be here if it was.
outputChanged, err := moveOutput(target, dereferencedPath, realOutput, false)
if err != nil {
return nil, true, err
}
changed = changed || outputChanged
}
if changed {
log.Debug("Outputs for %s have changed", target.Label)
} else {
log.Debug("Outputs for %s are unchanged", target.Label)
}
// Optional outputs get moved but don't contribute to the hash or for incrementality.
// Glob patterns are supported on these.
extraOuts := []string{}
for _, output := range core.Glob(tmpDir, target.OptionalOutputs, nil, nil, true) {
log.Debug("Discovered optional output %s", output)
tmpOutput := path.Join(tmpDir, output)
realOutput := path.Join(outDir, output)
if _, err := moveOutput(target, tmpOutput, realOutput, false); err != nil {
return nil, changed, err
}
extraOuts = append(extraOuts, output)
}
return extraOuts, changed, nil
}
// RetrieveArtifact takes in the artifact path as a parameter and checks in the base server
// file directory to see if the file exists in the given path. If found, the function will
// return whatever's been stored there, which might be a directory and therefore contain
// multiple files to be returned.
func (cache *Cache) RetrieveArtifact(artPath string) (map[string][]byte, error) {
ret := map[string][]byte{}
if core.IsGlob(artPath) {
for _, art := range core.Glob(cache.rootPath, []string{artPath}, nil, nil, true) {
fullPath := path.Join(cache.rootPath, art)
lock := cache.lockFile(fullPath, false, 0)
body, err := ioutil.ReadFile(fullPath)
if lock != nil {
lock.RUnlock()
}
if err != nil {
return nil, err
}
ret[art] = body
}
return ret, nil
}
fullPath := path.Join(cache.rootPath, artPath)
lock := cache.lockFile(artPath, false, 0)
if lock == nil {
// Can happen if artPath is a directory; we only store artifacts as files.
// (This is a debatable choice; it's a bit crap either way).
if info, err := os.Stat(fullPath); err == nil && info.IsDir() {
return cache.retrieveDir(artPath)
}
return nil, os.ErrNotExist
}
defer lock.RUnlock()
if err := filepath.Walk(fullPath, func(name string, info os.FileInfo, err error) error {
if err != nil {
return err
} else if !info.IsDir() {
body, err := ioutil.ReadFile(name)
if err != nil {
return err
}
ret[name[len(cache.rootPath)+1:]] = body
}
return nil
}); err != nil {
return nil, err
}
return ret, nil
}
