forked from x/icebergs
101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
package nfs
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import (
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"archive/tar"
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"compress/gzip"
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"io"
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"os"
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"path"
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"strings"
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ice "shylinux.com/x/icebergs"
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"shylinux.com/x/icebergs/base/mdb"
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kit "shylinux.com/x/toolkits"
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)
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func _tar_list(m *ice.Message, p string, cb func(*tar.Header, *tar.Reader, int)) {
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Open(m, p, func(r io.Reader) {
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for {
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switch kit.Ext(p) {
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case GZ:
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if f, e := gzip.NewReader(r); m.Warn(e, ice.ErrNotValid, p) {
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return
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} else {
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defer f.Close()
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r, p = f, kit.TrimExt(p, GZ)
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}
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case TAR:
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i := 0
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for r := tar.NewReader(r); ; i++ {
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h, e := r.Next()
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if m.Warn(e) {
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break
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}
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if h.Size == 0 {
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i--
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continue
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}
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cb(h, r, i)
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}
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m.StatusTimeCount(mdb.TOTAL, i)
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return
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default:
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return
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}
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}
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})
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}
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const (
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GZ = "gz"
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)
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const TAR = "tar"
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func init() {
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Index.MergeCommands(ice.Commands{
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TAR: {Name: "tar path file auto page", Help: "打包", Actions: ice.MergeActions(ice.Actions{
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mdb.NEXT: {Hand: func(m *ice.Message, arg ...string) { mdb.PrevPage(m, arg[0], kit.Slice(arg, 1)...) }},
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mdb.PREV: {Hand: func(m *ice.Message, arg ...string) { mdb.NextPageLimit(m, arg[0], kit.Slice(arg, 1)...) }},
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mdb.EXPORT: {Hand: func(m *ice.Message, arg ...string) {
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list, size := kit.Dict(), 0
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_tar_list(m, m.Option(PATH), func(h *tar.Header, r *tar.Reader, i int) {
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if h.Name == m.Option(FILE) || m.Option(FILE) == "" {
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p := path.Join(path.Dir(m.Option(PATH)), h.Name)
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if strings.HasSuffix(h.Name, PS) {
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MkdirAll(m, p)
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return
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}
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kit.IfNoKey(list, path.Dir(p), func(p string) { MkdirAll(m, p) })
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Create(m, p, func(w io.Writer) {
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os.Chmod(p, os.FileMode(h.Mode))
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Copy(m, w, r, func(n int) { size += n })
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kit.If(m.Option(FILE), func() { m.Cmdy(DIR, p).Cmdy(CAT, p) })
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})
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}
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})
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}},
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}, mdb.PageListAction()), Hand: func(m *ice.Message, arg ...string) {
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if len(arg) == 0 || strings.HasSuffix(arg[0], PS) {
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m.Cmdy(DIR, arg)
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return
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}
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page, size := mdb.OptionPages(m, kit.Slice(arg, 2)...)
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_tar_list(m, arg[0], func(h *tar.Header, r *tar.Reader, i int) {
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if len(kit.Slice(arg, 0, 2)) > 1 {
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if h.Name != arg[1] {
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return
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}
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m.Echo(string(ReadAll(m, r)[:]))
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}
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if i >= (page-1)*size && i < page*size {
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m.Push(mdb.TIME, h.ModTime.Format(ice.MOD_TIME)).Push(FILE, h.Name).Push(SIZE, kit.FmtSize(h.Size))
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}
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})
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m.PushAction(mdb.EXPORT)
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}},
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})
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}
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func TarExport(m *ice.Message, path string, file ...string) {
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m.Cmd(TAR, mdb.EXPORT, ice.Maps{PATH: path, FILE: kit.Select("", file, 0)})
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}
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