X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=main.go;h=3a7088d16431492773e78a07781e54ff85eeef19;hb=a1394bc35f4473f55d6e56afa720c490d3e7f6bd;hp=092d38957ce4cd50bbef6cacaa8db5d88c45c65b;hpb=cb183690cc59ad772dab941adc3e9b8d5b90fbc0;p=goredo.git

diff --git a/main.go b/main.go
index 092d389..3a7088d 100644
--- a/main.go
+++ b/main.go
@@ -40,6 +40,7 @@ import (
 var (
 	Cwd       string
 	BuildUUID string
+	IsTopRedo bool // is it the top redo instance
 )
 
 func mustSetenv(key, value string) {
@@ -79,6 +80,7 @@ func main() {
 		rc := 0
 		for _, cmdName := range []string{
 			"redo",
+			"redo-affects",
 			"redo-always",
 			"redo-cleanup",
 			"redo-dot",
@@ -121,6 +123,7 @@ func main() {
 		}
 	}
 	DirPrefix = os.Getenv(EnvDirPrefix)
+	DepCwd = os.Getenv(EnvDepCwd)
 
 	if *flagStderrKeep {
 		mustSetenv(EnvStderrKeep, "1")
@@ -197,7 +200,7 @@ func main() {
 			panic(err)
 		}
 		unix.Flock(int(fdLock.Fd()), unix.LOCK_UN)
-		OODTgts = make(map[string]struct{})
+		OODTgts = map[string]struct{}{}
 		for _, tgtRaw := range bytes.Split(tgtsRaw, []byte{0}) {
 			t := string(tgtRaw)
 			if t == "" {
@@ -228,6 +231,7 @@ func main() {
 	BuildUUID = os.Getenv(EnvBuildUUID)
 	tgtsWasEmpty := len(tgts) == 0
 	if BuildUUID == "" {
+		IsTopRedo = true
 		raw := new([16]byte)
 		if _, err = io.ReadFull(rand.Reader, raw[:]); err != nil {
 			log.Fatalln(err)
@@ -371,6 +375,31 @@ CmdSwitch:
 		for _, tgt := range tgts {
 			fmt.Println(tgt)
 		}
+	case "redo-affects":
+		if tgtsWasEmpty {
+			log.Fatalln("no targets specified")
+		}
+		var tgtsKnown []string
+		tgtsKnown, err = targetsWalker([]string{Cwd})
+		if err != nil {
+			break
+		}
+		deps := map[string]map[string]struct{}{}
+		for _, tgt := range tgtsKnown {
+			collectDeps(Cwd, tgt, 0, deps, true)
+		}
+		seen := map[string]struct{}{}
+		for _, tgt := range tgts {
+			collectWholeDeps(deps[tgt], deps, seen)
+		}
+		tgts := make([]string, 0, len(seen))
+		for dep := range seen {
+			tgts = append(tgts, dep)
+		}
+		sort.Strings(tgts)
+		for _, dep := range tgts {
+			fmt.Println(dep)
+		}
 	case "redo-ood":
 		if tgtsWasEmpty {
 			tgts, err = targetsWalker([]string{Cwd})