Adds missing test and fixes cleanup of build dir

.gitignore

@@ -1,3 +1,4 @@
+build
 smith
 rpm
 .idea/

Makefile

@@ -29,13 +29,13 @@ id = $(shell head -c20 /dev/urandom|od -An -tx1|tr -d ' \n')
 # if it is cloned outside of the gopath. Go's vendor support only works if
 # the project is inside the gopath
 $(NAME): $(call gofiles,$(DIRS))
+	rm -rf build
 	mkdir -p build/src/$(REMOTE)
 	rm -f build/src/$(REMOTE)/$(NAME) && ln -s ../../../../ build/src/$(REMOTE)/$(NAME)
 	cd build/src/$(REMOTE)/$(NAME) && CGO_ENABLED=0 GOPATH=$(CURDIR)/build \
 		GO15VENDOREXPERIMENT=1 go build -a -x -v \
 		-ldflags '-X "main.ver=$(VERSION)" -X "main.sha=$(sha)" -B 0x$(id)' \
-		-o $(NAME) . || ( rm -rf build && false )
-	rm -rf build
+		-o $(NAME) .
 
 .PHONY: $(call testdirs,$(DIRS))
 $(call testdirs,$(DIRS)):
@@ -51,6 +51,7 @@ test: fmt $(call testdirs,$(DIRS))
 
 clean:
 	rm -f $(NAME)
+	rm -rf build
 	rm -rf rpm
 
 install: all

nss_test.go

@@ -0,0 +1,44 @@
+package main
+
+import "testing"
+
+type parseCase struct {
+	User string
+	Uid  int
+	Gid  int
+	U    string
+	G    string
+	Nss  bool
+}
+
+func TestParseUser(t *testing.T) {
+	for _, c := range []parseCase{
+		{"root:root", 0, 0, "root", "root", true},
+		{"0:0", 0, 0, "root", "root", false},
+		{"daemon:daemon", 1, 1, "daemon", "daemon", true},
+		{"1:1", 1, 1, "daemon", "daemon", false},
+		{"smith:0", 10, 0, "smith", "root", true},
+		{"0:smith", 0, 10, "root", "smith", true},
+		{"1000:1000", 1000, 1000, "smith", "smith", false},
+		{"foo:bar", 10, 10, "foo", "bar", true},
+		{"foo:1000", 10, 1000, "foo", "smith", true},
+		{"1000:bar", 1000, 10, "smith", "bar", true},
+	} {
+		uid, gid, u, g, nss := ParseUser(c.User)
+		if uid != c.Uid {
+			t.Fatalf("Fail %v, uids don't match: %d != %d", c, uid, c.Uid)
+		}
+		if gid != c.Gid {
+			t.Fatalf("Fail %v, gids don't match: %d != %d", c, gid, c.Gid)
+		}
+		if u != c.U {
+			t.Fatalf("Fail %v, users don't match: %s != %s", c, u, c.U)
+		}
+		if g != c.G {
+			t.Fatalf("Fail %v, groups don't match: %s != %s", c, g, c.G)
+		}
+		if nss != c.Nss {
+			t.Fatalf("Fail %v, nss doesn't match: %t != %t", c, nss, c.Nss)
+		}
+	}
+}