add --listHEADmaster

3 files changed, 20 insertions, 4 deletions

diff --git a/flags/flags.go b/flags/flags.go
index a513019..2fbfdd5 100644
--- a/flags/flags.go
+++ b/flags/flags.go
@@ -12,4 +12,5 @@ var (
 	Yes     = pflag.BoolP("yes", "y", false, "auto-confirm y/n confirmations")
 	Env     = pflag.StringArray("env", nil, "environment files or pre- or suffix")
 	Version = pflag.BoolP("version", "v", false, "print version and exit")
+	List    = pflag.BoolP("list", "l", false, "list available targets and exit")
 )
diff --git a/main.go b/main.go
index a30c08f..d44272d 100644
--- a/main.go
+++ b/main.go
@@ -10,6 +10,7 @@ import (
 	"pik/indexers/pikdex"
 	"pik/menu"
 	"pik/model"
+	"pik/paths"
 	"pik/run"
 	"pik/runner/gnumake"
 	"pik/runner/just"
@@ -46,7 +47,8 @@ var version string
 func main() {
 	pflag.Parse()
 
-	if *flags.Version {
+	switch {
+	case *flags.Version:
 		_, _ = spool.Print("%s\n", version)
 		os.Exit(0)
 	}
@@ -76,6 +78,7 @@ func main() {
 	}
 	var st *model.State
 	var stateErrors []error
+
 	if !*flags.All {
 		st, stateErrors = model.NewState(fs, locs, indexers, runners)
 	} else {
@@ -90,10 +93,18 @@ func main() {
 		_, _ = spool.Warn("%v\n", stateErrors)
 	} else {
 		err = cache.Save(st)
+		if err != nil {
+			_, _ = spool.Warn("%v", err)
+		}
 	}
 
-	if err != nil {
-		_, _ = spool.Warn("%v", err)
+	if *flags.List {
+		for _, s := range st.Sources {
+			for _, t := range s.Targets {
+				_, _ = spool.Print(t.ShortestId() + paths.Ifs)
+			}
+		}
+		os.Exit(0)
 	}
 
 	args := pflag.Args()
@@ -130,7 +141,7 @@ func main() {
 	}
 
 	if target == nil {
-		_, _ = spool.Print("no target found.")
+		_, _ = spool.Print("target not found.")
 		os.Exit(1)
 		return
 	}
diff --git a/paths/paths.go b/paths/paths.go
index 0445658..9721fa1 100644
--- a/paths/paths.go
+++ b/paths/paths.go
@@ -13,6 +13,7 @@ var (
 	This   = "pik"
 	Cache  = filepath.Join(xdg.CacheHome, This)
 	Config = filepath.Join(xdg.ConfigHome, This)
+	Ifs    = os.Getenv("IFS")
 )
 
 func init() {
@@ -24,6 +25,9 @@ func init() {
 	if err != nil {
 		spool.Warn("%v\n", err)
 	}
+	if Ifs == "" {
+		Ifs = "\n"
+	}
 }
 
 func ReplaceHome(input string) string {