deps: Track [email protected] as 'tools' dependency

In theory we could use the latest (v0.18.0) version of the x/tools module but that would also bring upgrade of x/sys (transitive dependency of go-cty) from current v0.5.0 and full understanding of implications of that upgrade.

go.mod

@@ -17,13 +17,15 @@ require (
  github.com/zclconf/go-cty v1.13.0
  github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b
  golang.org/x/crypto v0.0.0-20220517005047-85d78b3ac167
+ golang.org/x/tools v0.6.0
 )
 
 require (
  github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
  github.com/kr/text v0.1.0 // indirect
  github.com/pmezard/go-difflib v1.0.0 // indirect
  github.com/stretchr/testify v1.2.2 // indirect
+ golang.org/x/mod v0.8.0 // indirect
  golang.org/x/sys v0.5.0 // indirect
  golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 // indirect
  golang.org/x/text v0.11.0 // indirect

go.sum

@@ -39,8 +39,11 @@ github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b h1:FosyBZYxY3
 github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b/go.mod h1:ZRKQfBXbGkpdV6QMzT3rU1kSTAnfu1dO8dPKjYprgj8=
 golang.org/x/crypto v0.0.0-20220517005047-85d78b3ac167 h1:O8uGbHCqlTp2P6QJSLmCojM4mN6UemYv8K+dCnmHmu0=
 golang.org/x/crypto v0.0.0-20220517005047-85d78b3ac167/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
+golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180811021610-c39426892332/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -49,5 +52,7 @@ golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9sn
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.11.0 h1:LAntKIrcmeSKERyiOh0XMV39LXS8IE9UL2yP7+f5ij4=
 golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

tools.go

@@ -0,0 +1,11 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
+//go:build tools
+// +build tools
+
+package hcl
+
+import (
+ _ "golang.org/x/tools/cmd/stringer"
+)