cmd/fsu: allow switch from fpkg

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 21 insertions, 0 deletions

diff --git a/cmd/fsu/path.go b/cmd/fsu/path.go
new file mode 100644
index 00000000..6ed5600e
--- /dev/null
+++ b/cmd/fsu/path.go
@@ -0,0 +1,21 @@
+package main
+
+import (
+	"log"
+	"path"
+)
+
+const compPoison = "INVALIDINVALIDINVALIDINVALIDINVALID"
+
+var (
+	fmain = compPoison
+	fpkg  = compPoison
+)
+
+func mustCheckPath(p string) string {
+	if p != compPoison && p != "" && path.IsAbs(p) {
+		return p
+	}
+	log.Fatal("this program is compiled incorrectly")
+	return compPoison
+}