fix: pack: support network name overrides in bundle git tags

Makefile

@@ -298,7 +298,7 @@ actors-gen: actors-code-gen fiximports
 .PHONY: actors-gen
 
 bundle-gen:
-	$(GOCC) run ./gen/bundle $(RELEASE)
+	$(GOCC) run ./gen/bundle $(VERSION) $(RELEASE) $(RELEASE_OVERRIDES)
 	$(GOCC) fmt ./build/...
 .PHONY: bundle-gen
 

build/actors/pack.sh

@@ -52,4 +52,4 @@ popd
 
 echo "Generating metadata..."
 
-make -C ../../ RELEASE="$RELEASE" bundle-gen
+make -C ../../ VERSION="$VERSION" RELEASE="$RELEASE" RELEASE_OVERRIDES="${RELEASE_OVERRIDES[*]}" bundle-gen

gen/bundle/bundle.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"os"
+	"strconv"
+	"strings"
 	"text/template"
 
 	"github.com/filecoin-project/lotus/build"
@@ -32,19 +34,49 @@ var EmbeddedBuiltinActorsMetadata []*BuiltinActorsMetadata = []*BuiltinActorsMet
 }
 `))
 
+func splitOverride(override string) (string, string) {
+	x := strings.Split(override, "=")
+	return x[0], x[1]
+}
+
 func main() {
+	// read metadata from the embedded bundle, includes all info except git tags
 	metadata, err := build.ReadEmbeddedBuiltinActorsMetadata()
 	if err != nil {
 		panic(err)
 	}
 
-	// TODO: Re-enable this when we can set the tag for ONLY the appropriate version
-	// https://github.com/filecoin-project/lotus/issues/10185#issuecomment-1422864836
-	//if len(os.Args) > 1 {
-	//	for _, m := range metadata {
-	//		m.BundleGitTag = os.Args[1]
-	//	}
-	//}
+	// IF args have been provided, extract git tag info from them, otherwise
+	// rely on previously embedded metadata for git tags.
+	if len(os.Args) > 1 {
+		// see ./build/actors/pack.sh
+		// (optional) expected args are:
+		// $(GOCC) run ./gen/bundle $(VERSION) $(RELEASE) $(RELEASE_OVERRIDES)
+		// overrides are in the format network_name=override
+		gitTag := os.Args[2]
+		packedActorsVersion, err := strconv.Atoi(os.Args[1][1:])
+		if err != nil {
+			panic(err)
+		}
+
+		overrides := map[string]string{}
+		for _, override := range os.Args[3:] {
+			k, v := splitOverride(override)
+			overrides[k] = v
+		}
+		for _, m := range metadata {
+			if int(m.Version) == packedActorsVersion {
+				override, ok := overrides[m.Network]
+				if ok {
+					m.BundleGitTag = override
+				} else {
+					m.BundleGitTag = gitTag
+				}
+			} else {
+				m.BundleGitTag = getOldGitTagFromEmbeddedMetadata(m)
+			}
+		}
+	}
 
 	fi, err := os.Create("./build/builtin_actors_gen.go")
 	if err != nil {
@@ -57,3 +89,14 @@ func main() {
 		panic(err)
 	}
 }
+
+func getOldGitTagFromEmbeddedMetadata(m *build.BuiltinActorsMetadata) string {
+	for _, v := range build.EmbeddedBuiltinActorsMetadata {
+		// if we agree on the manifestCid for the previously embedded metadata, use the previously set tag
+		if m.Version == v.Version && m.Network == v.Network && m.ManifestCid == v.ManifestCid {
+			return m.BundleGitTag
+		}
+	}
+
+	return ""
+}