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-rw-r--r--vendor/github.com/mrunalp/fileutils/LICENSE191
-rw-r--r--vendor/github.com/mrunalp/fileutils/README.md5
-rw-r--r--vendor/github.com/mrunalp/fileutils/fileutils.go161
-rw-r--r--vendor/github.com/mrunalp/fileutils/idtools.go49
4 files changed, 406 insertions, 0 deletions
diff --git a/vendor/github.com/mrunalp/fileutils/LICENSE b/vendor/github.com/mrunalp/fileutils/LICENSE
new file mode 100644
index 000000000..27448585a
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/LICENSE
@@ -0,0 +1,191 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
+ publicly display, publicly perform, sublicense, and distribute the
+ Work and such Derivative Works in Source or Object form.
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+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
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+ Contribution(s) alone or by combination of their Contribution(s)
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+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
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+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
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+ of the following places: within a NOTICE text file distributed
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+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ Copyright 2014 Docker, Inc.
+
+ 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.
diff --git a/vendor/github.com/mrunalp/fileutils/README.md b/vendor/github.com/mrunalp/fileutils/README.md
new file mode 100644
index 000000000..6cb4140ea
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/README.md
@@ -0,0 +1,5 @@
+# fileutils
+
+Collection of utilities for file manipulation in golang
+
+The library is based on docker pkg/archive pkg/idtools but does copies instead of handling archive formats.
diff --git a/vendor/github.com/mrunalp/fileutils/fileutils.go b/vendor/github.com/mrunalp/fileutils/fileutils.go
new file mode 100644
index 000000000..b60cb909c
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/fileutils.go
@@ -0,0 +1,161 @@
+package fileutils
+
+import (
+ "fmt"
+ "io"
+ "os"
+ "path/filepath"
+ "syscall"
+)
+
+// CopyFile copies the file at source to dest
+func CopyFile(source string, dest string) error {
+ si, err := os.Lstat(source)
+ if err != nil {
+ return err
+ }
+
+ st, ok := si.Sys().(*syscall.Stat_t)
+ if !ok {
+ return fmt.Errorf("could not convert to syscall.Stat_t")
+ }
+
+ uid := int(st.Uid)
+ gid := int(st.Gid)
+
+ // Handle symlinks
+ if si.Mode()&os.ModeSymlink != 0 {
+ target, err := os.Readlink(source)
+ if err != nil {
+ return err
+ }
+ if err := os.Symlink(target, dest); err != nil {
+ return err
+ }
+ }
+
+ // Handle device files
+ if st.Mode&syscall.S_IFMT == syscall.S_IFBLK || st.Mode&syscall.S_IFMT == syscall.S_IFCHR {
+ devMajor := int64(major(uint64(st.Rdev)))
+ devMinor := int64(minor(uint64(st.Rdev)))
+ mode := uint32(si.Mode() & 07777)
+ if st.Mode&syscall.S_IFMT == syscall.S_IFBLK {
+ mode |= syscall.S_IFBLK
+ }
+ if st.Mode&syscall.S_IFMT == syscall.S_IFCHR {
+ mode |= syscall.S_IFCHR
+ }
+ if err := syscall.Mknod(dest, mode, int(mkdev(devMajor, devMinor))); err != nil {
+ return err
+ }
+ }
+
+ // Handle regular files
+ if si.Mode().IsRegular() {
+ sf, err := os.Open(source)
+ if err != nil {
+ return err
+ }
+ defer sf.Close()
+
+ df, err := os.Create(dest)
+ if err != nil {
+ return err
+ }
+ defer df.Close()
+
+ _, err = io.Copy(df, sf)
+ if err != nil {
+ return err
+ }
+ }
+
+ // Chown the file
+ if err := os.Lchown(dest, uid, gid); err != nil {
+ return err
+ }
+
+ // Chmod the file
+ if !(si.Mode()&os.ModeSymlink == os.ModeSymlink) {
+ if err := os.Chmod(dest, si.Mode()); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
+// CopyDirectory copies the files under the source directory
+// to dest directory. The dest directory is created if it
+// does not exist.
+func CopyDirectory(source string, dest string) error {
+ fi, err := os.Stat(source)
+ if err != nil {
+ return err
+ }
+
+ // Get owner.
+ st, ok := fi.Sys().(*syscall.Stat_t)
+ if !ok {
+ return fmt.Errorf("could not convert to syscall.Stat_t")
+ }
+
+ // We have to pick an owner here anyway.
+ if err := MkdirAllNewAs(dest, fi.Mode(), int(st.Uid), int(st.Gid)); err != nil {
+ return err
+ }
+
+ return filepath.Walk(source, func(path string, info os.FileInfo, err error) error {
+ if err != nil {
+ return err
+ }
+
+ // Get the relative path
+ relPath, err := filepath.Rel(source, path)
+ if err != nil {
+ return nil
+ }
+
+ if info.IsDir() {
+ // Skip the source directory.
+ if path != source {
+ // Get the owner.
+ st, ok := info.Sys().(*syscall.Stat_t)
+ if !ok {
+ return fmt.Errorf("could not convert to syscall.Stat_t")
+ }
+
+ uid := int(st.Uid)
+ gid := int(st.Gid)
+
+ if err := os.Mkdir(filepath.Join(dest, relPath), info.Mode()); err != nil {
+ return err
+ }
+
+ if err := os.Lchown(filepath.Join(dest, relPath), uid, gid); err != nil {
+ return err
+ }
+ }
+ return nil
+ }
+
+ // Copy the file.
+ if err := CopyFile(path, filepath.Join(dest, relPath)); err != nil {
+ return err
+ }
+
+ return nil
+ })
+}
+
+func major(device uint64) uint64 {
+ return (device >> 8) & 0xfff
+}
+
+func minor(device uint64) uint64 {
+ return (device & 0xff) | ((device >> 12) & 0xfff00)
+}
+
+func mkdev(major int64, minor int64) uint32 {
+ return uint32(((minor & 0xfff00) << 12) | ((major & 0xfff) << 8) | (minor & 0xff))
+}
diff --git a/vendor/github.com/mrunalp/fileutils/idtools.go b/vendor/github.com/mrunalp/fileutils/idtools.go
new file mode 100644
index 000000000..161aec8f5
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/idtools.go
@@ -0,0 +1,49 @@
+package fileutils
+
+import (
+ "os"
+ "path/filepath"
+)
+
+// MkdirAllNewAs creates a directory (include any along the path) and then modifies
+// ownership ONLY of newly created directories to the requested uid/gid. If the
+// directories along the path exist, no change of ownership will be performed
+func MkdirAllNewAs(path string, mode os.FileMode, ownerUID, ownerGID int) error {
+ // make an array containing the original path asked for, plus (for mkAll == true)
+ // all path components leading up to the complete path that don't exist before we MkdirAll
+ // so that we can chown all of them properly at the end. If chownExisting is false, we won't
+ // chown the full directory path if it exists
+ var paths []string
+ if _, err := os.Stat(path); err != nil && os.IsNotExist(err) {
+ paths = []string{path}
+ } else if err == nil {
+ // nothing to do; directory path fully exists already
+ return nil
+ }
+
+ // walk back to "/" looking for directories which do not exist
+ // and add them to the paths array for chown after creation
+ dirPath := path
+ for {
+ dirPath = filepath.Dir(dirPath)
+ if dirPath == "/" {
+ break
+ }
+ if _, err := os.Stat(dirPath); err != nil && os.IsNotExist(err) {
+ paths = append(paths, dirPath)
+ }
+ }
+
+ if err := os.MkdirAll(path, mode); err != nil && !os.IsExist(err) {
+ return err
+ }
+
+ // even if it existed, we will chown the requested path + any subpaths that
+ // didn't exist when we called MkdirAll
+ for _, pathComponent := range paths {
+ if err := os.Chown(pathComponent, ownerUID, ownerGID); err != nil {
+ return err
+ }
+ }
+ return nil
+}