release: switch to Go 1.12.13

.circleci/config.yml

@@ -78,7 +78,7 @@ executors:
   go:
     working_directory: /go/src/github.com/hashicorp/nomad
     docker:
-      - image: golang:1.12.12
+      - image: golang:1.12.13
   go-machine:
     working_directory: ~/go/src/github.com/hashicorp/nomad
     machine:
@@ -284,7 +284,7 @@ commands:
     parameters:
       version:
         type: string
-        default: "1.12.12"
+        default: "1.12.13"
     steps:
       - run:
           name: install golang << parameters.version >>

README.md

@@ -138,7 +138,7 @@ Who Uses Nomad
 Contributing to Nomad
 --------------------
 
-If you wish to contribute to Nomad, you will  need [Go](https://www.golang.org) installed on your machine (version 1.12.12+ is *required*, and `gcc-go` is not supported).
+If you wish to contribute to Nomad, you will  need [Go](https://www.golang.org) installed on your machine (version 1.12.13+ is *required*, and `gcc-go` is not supported).
 
 See the [`contributing`](contributing/) directory for more developer documentation.
 

appveyor.yml

@@ -23,10 +23,10 @@ install:
       cd %APPVEYOR_BUILD_FOLDER%
       rmdir /Q/S C:\go
 
-  # install go 1.12.12 to match version used for cutting a release
+  # install go 1.12.13 to match version used for cutting a release
   - cmd: |
       mkdir c:\go
-      appveyor DownloadFile "https://dl.google.com/go/go1.12.12.windows-amd64.zip" -FileName "%TEMP%\\go.zip"
+      appveyor DownloadFile "https://dl.google.com/go/go1.12.13.windows-amd64.zip" -FileName "%TEMP%\\go.zip"
       
   - ps: Expand-Archive $Env:TEMP\go.zip -DestinationPath C:\
 

scripts/release/mac-remote-build

@@ -56,7 +56,7 @@ REPO_PATH="${TMP_WORKSPACE}/gopath/src/github.com/hashicorp/nomad"
 mkdir -p "${TMP_WORKSPACE}/tmp"
 
 install_go() {
-  local go_version="1.12.12"
+  local go_version="1.12.13"
   local download=
 
   download="https://storage.googleapis.com/golang/go${go_version}.darwin-amd64.tar.gz"

scripts/vagrant-linux-priv-go.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 function install_go() {
-	local go_version=1.12.12
+	local go_version=1.12.13
 	local download=
 
 	download="https://storage.googleapis.com/golang/go${go_version}.linux-amd64.tar.gz"