4 files changed, 24 insertions, 5 deletions
diff --git a/cmd/planr/main.go b/cmd/planr/main.go
index d7f62aa..ce20811 100644
--- a/cmd/planr/main.go
+++ b/cmd/planr/main.go
@@ -79,6 +79,8 @@ func main() {
 
         runner := getConfiguredRunner()
 
+        cfg := planr.DecodeConfig(runner.ConfigDir())
+
 	subcommand := flag.Arg(0)
 	subargs := flag.Args()[1:]
 
@@ -86,9 +88,9 @@ func main() {
 	  case "version":
 		fmt.Printf("%s\n", planr.VERSION)
 	  case "build":
-		sub.Build(runner, subargs)
+		sub.Build(runner, subargs, cfg)
 	  case "evaluate", "eval":
-		sub.Evaluate(runner, subargs)
+		sub.Evaluate(runner, subargs, cfg)
           case "clean":
                 sub.Clean(runner, subargs)
           case "config":
diff --git a/cmd/planr/sub/build.go b/cmd/planr/sub/build.go
index d24bb02..48edd9c 100644
--- a/cmd/planr/sub/build.go
+++ b/cmd/planr/sub/build.go
@@ -4,8 +4,8 @@ import (
 	"golang.flu0r1ne.net/planr"
 )
 
-
-func Build(runner planr.Runner, params []string) {
+func Build(runner planr.Runner, params []string, cfg planr.Config) {
+  dieIncompatibleVersion(cfg)
   tcs := runner.CollectCases()
   runner.Build(tcs)
 }
diff --git a/cmd/planr/sub/common.go b/cmd/planr/sub/common.go
new file mode 100644
index 0000000..67d07f8
--- /dev/null
+++ b/cmd/planr/sub/common.go
@@ -0,0 +1,15 @@
+package sub
+
+import (
+  "golang.flu0r1ne.net/planr"
+  "os"
+  "fmt"
+)
+
+func dieIncompatibleVersion(cfg planr.Config) {
+  if cfg.IncompatibleWithVersion() {
+    fmt.Fprintf(os.Stderr, "This version of PlanR (%v) is incompatible with config version %s\n", planr.VERSION, cfg.Version)
+    fmt.Fprintf(os.Stderr, "Please upgrade to version %s or greater\n", cfg.Version)
+    os.Exit(1)
+  }
+}
diff --git a/cmd/planr/sub/evaluate.go b/cmd/planr/sub/evaluate.go
index 18cccb1..c2549be 100644
--- a/cmd/planr/sub/evaluate.go
+++ b/cmd/planr/sub/evaluate.go
@@ -4,7 +4,9 @@ import (
   "golang.flu0r1ne.net/planr"
 )
 
-func Evaluate(runner planr.Runner, params []string) {
+func Evaluate(runner planr.Runner, params []string, cfg planr.Config) {
+  dieIncompatibleVersion(cfg)
+
   tcs := runner.CollectCases()
   trs := runner.Evaluate(tcs)