circleci right go version

.circleci/config.yml

@@ -164,7 +164,7 @@ jobs:
         default: unit
         description: Test suite name to report to CircleCI.
     docker:
-      - image: cimg/go:1.19.7
+      - image: cimg/go:1.20.7
         environment:
           LOTUS_HARMONYDB_HOSTS: yugabyte
       - image: yugabytedb/yugabyte:latest
@@ -218,7 +218,7 @@ jobs:
           test with. If empty (the default) the commit defined by the git
           submodule is used.
     docker:
-      - image: cimg/go:1.19.7
+      - image: cimg/go:1.20.7
     resource_class: << parameters.resource_class >>
     steps:
       - install-ubuntu-deps
@@ -412,7 +412,7 @@ jobs:
         description: |
           Arguments to pass to golangci-lint
     docker:
-      - image: cimg/go:1.19.7
+      - image: cimg/go:1.20.7
     resource_class: medium+
     steps:
       - install-ubuntu-deps

.circleci/gen.go

@@ -10,13 +10,25 @@ import (
 	"text/template"
 )
 
-const GoVersion = "1.19.7"
+var GoVersion = "" // from init below. Ex: 1.19.7
 
 //go:generate go run ./gen.go ..
 
 //go:embed template.yml
 var templateFile embed.FS
 
+func init() {
+	b, err := os.ReadFile("../go.mod")
+	if err != nil {
+		panic("cannot find go.mod in parent folder")
+	}
+	for _, line := range strings.Split(string(b), "\n") {
+		if strings.HasPrefix(line, "go ") {
+			GoVersion = line[3:]
+		}
+	}
+}
+
 type (
 	dirs  = []string
 	suite = string

go.mod

@@ -1,6 +1,6 @@
 module github.com/filecoin-project/lotus
 
-go 1.19
+go 1.20.7
 
 retract v1.14.0 // Accidentally force-pushed tag, use v1.14.1+ instead.