open and save patchsets to a file

doPatch.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"os"
 	"path/filepath"
 
 	"go.wit.com/lib/protobuf/forgepb"
@@ -16,6 +17,10 @@ func doPatch() error {
 		return nil
 	}
 
+	if argv.Patch.Get != nil {
+		return doPatchGet()
+	}
+
 	if argv.Patch.List != nil {
 		return doPatchList()
 	}
@@ -45,10 +50,49 @@ func doPatchList() error {
 		dumpPatchset(pset)
 	}
 
+	if err := savePatchsets(psets); err != nil {
+		return err
+	}
 	return nil
 }
 
+func savePatchsets(psets *forgepb.Patchsets) error {
+	data, err := psets.Marshal()
+	if err != nil {
+		log.Info("protobuf.Marshal() failed:", err)
+		return err
+	}
+	fullpath := filepath.Join(me.forge.GetGoSrc(), "patchsets.pb")
+	var pfile *os.File
+	pfile, err = os.OpenFile(fullpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
+	if err != nil {
+		log.Info("Patchsets save failed:", err, fullpath)
+		return err
+	}
+	pfile.Write(data)
+	pfile.Close()
+	return nil
+}
+
+func openPatchsets() (*forgepb.Patchsets, error) {
+	fullpath := filepath.Join(me.forge.GetGoSrc(), "patchsets.pb")
+	data, err := os.ReadFile(fullpath)
+	if err != nil {
+		log.Info("Patchsets open failed:", err, fullpath)
+		return nil, err
+	}
+
+	psets := new(forgepb.Patchsets)
+	err = psets.Unmarshal(data)
+	if err != nil {
+		log.Info("Unmarshal patchsets failed", err)
+		return nil, err
+	}
+	return psets, nil
+}
+
 // returns bad if patches can not be applied
+// logic is not great here but it was a first pass
 func dumpPatchset(pset *forgepb.Patchset) bool {
 	log.Info("applyPatches() NAME", pset.Name)
 	log.Info("applyPatches() COMMENT", pset.Comment)
@@ -100,3 +144,13 @@ func IsValidPatch(p *forgepb.Patch) bool {
 	}
 	return true
 }
+
+func doPatchGet() error {
+	psets, err := me.forge.GetPatchesets()
+	if err != nil {
+		log.Info("Get Patchsets failed", err)
+		return err
+	}
+	log.Info("Got Patchsets ok", psets.Uuid)
+	return nil
+}