From 0f86740a7fdca6963a0f2e4a0bd3b563c644b50a Mon Sep 17 00:00:00 2001
From: Chris Cummer <ccummer@digitalocean.com>
Date: Sun, 13 Jan 2019 11:56:54 -0800
Subject: [PATCH] Set the GOPATH if not set when using the Makefile

---
 Makefile | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index cdafaaac..b9096b3f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,23 @@
 .PHONY: contrib_check dependencies install run size
 
+# detect GOPATH if not set
+ifndef $(GOPATH)
+		$(info GOPATH is not set, autodetecting..)
+		TESTPATH := $(dir $(abspath ../../..))
+		DIRS := bin pkg src
+		# create a ; separated line of tests and pass it to shell
+		MISSING_DIRS := $(shell $(foreach entry,$(DIRS),test -d "$(TESTPATH)$(entry)" || echo "$(entry)";))
+		ifeq ($(MISSING_DIRS),)
+				$(info Found GOPATH: $(TESTPATH))
+				export GOPATH := $(TESTPATH)
+		else
+				$(info ..missing dirs "$(MISSING_DIRS)" in "$(TESTDIR)")
+				$(info GOPATH autodetection failed)
+		endif
+endif
+
 build:
-	go build -race -o bin/wtf
+	go build -o bin/wtf
 
 contrib_check:
 	npx all-contributors-cli check