Fix glide install detection

diff --git a/Makefile b/Makefile
index 948bad2..e371581 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -159,10 +159,13 @@ package-all:
 vendor: tools/glide glide.yaml
        $(LOCAL_TOOLSDIR)/glide install --strip-vendor
 
+.PHONY: tools/glide
 tools/glide:
-       @echo "Downloading glide"
-       mkdir -p $(LOCAL_TOOLSDIR)
-       curl --silent -L https://glide.sh/get | GOBIN=$(LOCAL_TOOLSDIR)  sh
+       @test -f $(LOCAL_TOOLSDIR)/glide || { \
+               echo "Downloading glide"; \
+               mkdir -p $(LOCAL_TOOLSDIR); \
+               curl --silent -L https://glide.sh/get | GOBIN=$(LOCAL_TOOLSDIR)  sh; \
+       }
 
 .PHONY: tools/syncthing
 tools/syncthing: