105 lines
2.0 KiB
Go
105 lines
2.0 KiB
Go
package solver
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import (
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"context"
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"errors"
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"io/fs"
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"time"
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bkgw "github.com/moby/buildkit/frontend/gateway/client"
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fstypes "github.com/tonistiigi/fsutil/types"
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)
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// BuildkitFS is a io/fs.FS adapter for Buildkit
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// BuildkitFS implements the ReadFileFS, StatFS and ReadDirFS interfaces.
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type BuildkitFS struct {
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ref bkgw.Reference
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}
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func NewBuildkitFS(ref bkgw.Reference) *BuildkitFS {
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return &BuildkitFS{
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ref: ref,
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}
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}
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// Open is not supported.
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func (f *BuildkitFS) Open(name string) (fs.File, error) {
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return nil, errors.New("not implemented")
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}
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func (f *BuildkitFS) Stat(name string) (fs.FileInfo, error) {
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st, err := f.ref.StatFile(context.TODO(), bkgw.StatRequest{
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Path: name,
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})
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if err != nil {
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return nil, err
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}
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return bkFileInfo{st}, nil
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}
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func (f *BuildkitFS) ReadDir(name string) ([]fs.DirEntry, error) {
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entries, err := f.ref.ReadDir(context.TODO(), bkgw.ReadDirRequest{
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Path: name,
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})
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if err != nil {
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return nil, err
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}
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res := make([]fs.DirEntry, 0, len(entries))
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for _, st := range entries {
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res = append(res, bkDirEntry{
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bkFileInfo: bkFileInfo{
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st: st,
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},
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})
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}
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return res, nil
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}
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func (f *BuildkitFS) ReadFile(name string) ([]byte, error) {
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return f.ref.ReadFile(context.TODO(), bkgw.ReadRequest{
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Filename: name,
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})
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}
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// bkFileInfo is a fs.FileInfo adapter for fstypes.Stat
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type bkFileInfo struct {
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st *fstypes.Stat
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}
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func (s bkFileInfo) Name() string {
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return s.st.GetPath()
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}
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func (s bkFileInfo) Size() int64 {
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return s.st.GetSize_()
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}
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func (s bkFileInfo) IsDir() bool {
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return s.st.IsDir()
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}
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func (s bkFileInfo) ModTime() time.Time {
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return time.Unix(s.st.GetModTime(), 0)
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}
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func (s bkFileInfo) Mode() fs.FileMode {
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return fs.FileMode(s.st.Mode)
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}
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func (s bkFileInfo) Sys() interface{} {
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return s.st
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}
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// bkDirEntry is a fs.DirEntry adapter for fstypes.Stat
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type bkDirEntry struct {
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bkFileInfo
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}
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func (s bkDirEntry) Info() (fs.FileInfo, error) {
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return s.bkFileInfo, nil
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}
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func (s bkDirEntry) Type() fs.FileMode {
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return s.Mode()
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}
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