accomdate the move of hostname command for rawhide

golang-f21-hostname.patch

@@ -0,0 +1,13 @@
+Index: go/src/pkg/os/os_test.go
+===================================================================
+--- go.orig/src/pkg/os/os_test.go
++++ go/src/pkg/os/os_test.go
+@@ -842,7 +842,7 @@ func run(t *testing.T, cmd []string) str
+ 	if err != nil {
+ 		t.Fatal(err)
+ 	}
+-	p, err := StartProcess("/bin/hostname", []string{"hostname"}, &ProcAttr{Files: []*File{nil, w, Stderr}})
++	p, err := StartProcess("/usr/bin/hostname", []string{"hostname"}, &ProcAttr{Files: []*File{nil, w, Stderr}})
+ 	if err != nil {
+ 		t.Fatal(err)
+ 	}

golang.spec

@@ -32,7 +32,14 @@ License:        BSD
 URL:            http://golang.org/
 Source0:        https://go.googlecode.com/files/go%{version}.src.tar.gz
 
+# this command moved places
+%if 0%{?fedora} >= 21
+BuildRequires:  /usr/bin/hostname
+Patch1:         golang-f21-hostname.patch
+%else
 BuildRequires:  /bin/hostname
+%endif
+
 BuildRequires:  emacs xemacs xemacs-packages-extra
 
 # We strip the meta dependency, but go does require glibc.
@@ -124,6 +131,10 @@ end
 # increase verbosity of build
 %patch0 -p1
 
+%if 0%{?fedora} >= 21
+%patch1 -p1
+%endif
+
 # Fix BZ#1010271
 %patch10 -p1
 %patch11 -p1