all: remove large dependency
Closes #114
https://github.com/cuelang/cue/pull/114
GitOrigin-RevId: d1f74f78cfa08d3d1c1b330f1adaa88c0b0a63e7
Change-Id: Idba2820dc60bdfa3acc7c96008228eea1ceabcf9
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/3320
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
diff --git a/cmd/cue/cmd/get_go_test.go b/cmd/cue/cmd/get_go_test.go
index 56092e5..798e3a5 100644
--- a/cmd/cue/cmd/get_go_test.go
+++ b/cmd/cue/cmd/get_go_test.go
@@ -21,7 +21,7 @@
"strings"
"testing"
- "github.com/retr0h/go-gilt/copy"
+ "cuelang.org/go/internal/copy"
)
func TestGetGo(t *testing.T) {
diff --git a/doc/tutorial/kubernetes/tut_test.go b/doc/tutorial/kubernetes/tut_test.go
index defa61b..263295c 100644
--- a/doc/tutorial/kubernetes/tut_test.go
+++ b/doc/tutorial/kubernetes/tut_test.go
@@ -29,8 +29,8 @@
"testing"
"cuelang.org/go/internal/cuetest"
+ "cuelang.org/go/internal/copy"
"github.com/kylelemons/godebug/diff"
- "github.com/retr0h/go-gilt/copy"
)
var (
diff --git a/go.mod b/go.mod
index 4fd22ad..3e7db7a 100644
--- a/go.mod
+++ b/go.mod
@@ -3,15 +3,17 @@
require (
github.com/cockroachdb/apd v1.1.0 // indirect
github.com/cockroachdb/apd/v2 v2.0.1
+ github.com/davecgh/go-spew v1.1.0 // indirect
github.com/emicklei/proto v1.6.15
github.com/ghodss/yaml v1.0.0
github.com/google/go-cmp v0.2.0
+ github.com/inconshreveable/mousetrap v1.0.0 // indirect
github.com/kr/pretty v0.1.0
github.com/kylelemons/godebug v1.1.0
github.com/lib/pq v1.0.0 // indirect
github.com/mpvl/unique v0.0.0-20150818121801-cbe035fff7de
github.com/pkg/errors v0.8.1 // indirect
- github.com/retr0h/go-gilt v0.0.0-20190206215556-f73826b37af2
+ github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/spf13/cobra v0.0.3
github.com/spf13/pflag v1.0.3
github.com/stretchr/testify v1.2.0
diff --git a/go.sum b/go.sum
index db97c52..e3af646 100644
--- a/go.sum
+++ b/go.sum
@@ -12,7 +12,6 @@
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/kami-zh/go-capturer v0.0.0-20171211120116-e492ea43421d/go.mod h1:P2viExyCEfeWGU259JnaQ34Inuec4R38JCyBx2edgD0=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -22,7 +21,6 @@
github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
github.com/lib/pq v1.0.0 h1:X5PMW56eZitiTeO7tKzZxFCSpbFZJtkMMooicw2us9A=
github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
-github.com/logrusorgru/aurora v0.0.0-20180419164547-d694e6f975a9/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=
github.com/mpvl/unique v0.0.0-20150818121801-cbe035fff7de h1:D5x39vF5KCwKQaw+OC9ZPiLVHXz3UFw2+psEX+gYcto=
github.com/mpvl/unique v0.0.0-20150818121801-cbe035fff7de/go.mod h1:kJun4WP5gFuHZgRjZUWWuH1DTxCtxbHDOIJsudS8jzY=
github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
@@ -31,21 +29,13 @@
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/retr0h/go-gilt v0.0.0-20190206215556-f73826b37af2 h1:vZ42M1tDiMLtirFA1K5k2QVFhWRqR4BjdSw0IMclzH4=
-github.com/retr0h/go-gilt v0.0.0-20190206215556-f73826b37af2/go.mod h1:7PJr6TwZ6FwyTMn8zrm5QbMfH7yCiv56Wi9hRPhpWSM=
-github.com/spf13/cobra v0.0.1/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
github.com/spf13/cobra v0.0.3 h1:ZlrZ4XsMRm04Fr5pSFxBgfND2EBVa1nLpiy1stUsX/8=
github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
-github.com/spf13/pflag v1.0.0/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
github.com/stretchr/testify v1.2.0 h1:LThGCOvhuJic9Gyd1VBCkhyUXmO8vKaBFvBsJ2k03rg=
github.com/stretchr/testify v1.2.0/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/xeipuuv/gojsonpointer v0.0.0-20170225233418-6fe8760cad35/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
-github.com/xeipuuv/gojsonreference v0.0.0-20150808065054-e02fc20de94c/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
-github.com/xeipuuv/gojsonschema v0.0.0-20171230112544-511d08a359d1/go.mod h1:5yf86TLmAcydyeJq5YvxkGPE2fm/u4myDekKRoLuqhs=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/lint v0.0.0-20181011164241-5906bd5c48cd/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
@@ -55,13 +45,11 @@
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20181018182439-def26773749b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190328211700-ab21143f2384 h1:TFlARGu6Czu1z7q93HTxcP1P+/ZFC/IKythI5RzrnRg=
golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.0.0/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/internal/copy/copy.go b/internal/copy/copy.go
new file mode 100644
index 0000000..e767b09
--- /dev/null
+++ b/internal/copy/copy.go
@@ -0,0 +1,131 @@
+// Copyright 2019 CUE Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package copy provides utilities to copy files and directories.
+package copy
+
+import (
+ "fmt"
+ "io"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+)
+
+// File creates dst and copies the contents src to it.
+func File(src, dst string) error {
+ src = filepath.Clean(src)
+ dst = filepath.Clean(dst)
+
+ stat, err := os.Stat(src)
+ if err != nil {
+ return fmt.Errorf("copy file: %v", err)
+ }
+ err = copyFile(stat, src, dst)
+ if err != nil {
+ return fmt.Errorf("copy file: %v", err)
+ }
+ return nil
+}
+
+// Dir copies a src directory to its destination.
+func Dir(src, dst string) error {
+ src = filepath.Clean(src)
+ dst = filepath.Clean(dst)
+
+ stat, err := os.Stat(src)
+ if err != nil {
+ return fmt.Errorf("copy failed: %v", err)
+ } else if !stat.IsDir() {
+ return fmt.Errorf("copy failed: source is not a directory")
+ }
+
+ err = copyDir(stat, src, dst)
+ if err != nil {
+ return fmt.Errorf("copy failed: %v", err)
+ }
+ return nil
+}
+
+func copyDir(info os.FileInfo, src, dst string) error {
+ if _, err := os.Stat(dst); err != nil {
+ if !os.IsNotExist(err) {
+ return fmt.Errorf("dest err %s: %v", dst, err)
+ }
+ if err := os.MkdirAll(dst, info.Mode()); err != nil {
+ return fmt.Errorf("making dest %s: %v", dst, err)
+ }
+ }
+
+ entries, err := ioutil.ReadDir(src)
+ if err != nil {
+ return fmt.Errorf("reading dir %s: %v", src, err)
+ }
+
+ for _, e := range entries {
+ srcPath := filepath.Join(src, e.Name())
+ dstPath := filepath.Join(dst, e.Name())
+
+ switch mode := e.Mode(); mode & os.ModeType {
+ case os.ModeSymlink:
+ err = copySymLink(e, srcPath, dstPath)
+ case os.ModeDir:
+ err = copyDir(e, srcPath, dstPath)
+ default:
+ err = copyFile(e, srcPath, dstPath)
+ }
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func copySymLink(info os.FileInfo, src, dst string) error {
+ mode := info.Mode()
+ link, err := os.Readlink(src)
+ if err != nil {
+ return err
+ }
+ err = os.Symlink(link, dst)
+ if err != nil {
+ return err
+ }
+ return os.Chmod(dst, mode)
+}
+
+func copyFile(info os.FileInfo, src, dst string) (err error) {
+ in, err := os.Open(src)
+ if err != nil {
+ return fmt.Errorf("error reading %s: %v", src, err)
+ }
+ defer in.Close()
+
+ out, err := os.OpenFile(dst, os.O_RDWR|os.O_CREATE|os.O_TRUNC, info.Mode())
+ if err != nil {
+ return fmt.Errorf("error creating %s: %v", dst, err)
+ }
+ defer func() {
+ cErr := out.Close()
+ if err == nil {
+ err = cErr
+ }
+ }()
+
+ _, err = io.Copy(out, in)
+ if err != nil {
+ return fmt.Errorf("error copying %s: %v", dst, err)
+ }
+ return err
+}
