go-mtree/keywordfuncs_bsd.go

71 lines
2.2 KiB
Go

//go:build darwin || freebsd || netbsd || openbsd
// +build darwin freebsd netbsd openbsd
package mtree
import (
"archive/tar"
"fmt"
"io"
"os"
"os/user"
"syscall"
)
var (
flagsKeywordFunc = func(path string, info os.FileInfo, r io.Reader) ([]KeyVal, error) {
// ideally this will pull in from here https://www.freebsd.org/cgi/man.cgi?query=chflags&sektion=2
return nil, nil
}
unameKeywordFunc = func(path string, info os.FileInfo, r io.Reader) ([]KeyVal, error) {
if hdr, ok := info.Sys().(*tar.Header); ok {
return []KeyVal{KeyVal(fmt.Sprintf("uname=%s", hdr.Uname))}, nil
}
stat := info.Sys().(*syscall.Stat_t)
u, err := user.LookupId(fmt.Sprintf("%d", stat.Uid))
if err != nil {
return nil, err
}
return []KeyVal{KeyVal(fmt.Sprintf("uname=%s", u.Username))}, nil
}
gnameKeywordFunc = func(path string, info os.FileInfo, r io.Reader) ([]KeyVal, error) {
if hdr, ok := info.Sys().(*tar.Header); ok {
return []KeyVal{KeyVal(fmt.Sprintf("gname=%s", hdr.Gname))}, nil
}
stat := info.Sys().(*syscall.Stat_t)
g, err := lookupGroupID(fmt.Sprintf("%d", stat.Gid))
if err != nil {
return nil, err
}
return []KeyVal{KeyVal(fmt.Sprintf("gname=%s", g.Name))}, nil
}
uidKeywordFunc = func(path string, info os.FileInfo, r io.Reader) ([]KeyVal, error) {
if hdr, ok := info.Sys().(*tar.Header); ok {
return []KeyVal{KeyVal(fmt.Sprintf("uid=%d", hdr.Uid))}, nil
}
stat := info.Sys().(*syscall.Stat_t)
return []KeyVal{KeyVal(fmt.Sprintf("uid=%d", stat.Uid))}, nil
}
gidKeywordFunc = func(path string, info os.FileInfo, r io.Reader) ([]KeyVal, error) {
if hdr, ok := info.Sys().(*tar.Header); ok {
return []KeyVal{KeyVal(fmt.Sprintf("gid=%d", hdr.Gid))}, nil
}
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
return []KeyVal{KeyVal(fmt.Sprintf("gid=%d", stat.Gid))}, nil
}
return nil, nil
}
nlinkKeywordFunc = func(path string, info os.FileInfo, r io.Reader) ([]KeyVal, error) {
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
return []KeyVal{KeyVal(fmt.Sprintf("nlink=%d", stat.Nlink))}, nil
}
return nil, nil
}
xattrKeywordFunc = func(path string, info os.FileInfo, r io.Reader) ([]KeyVal, error) {
return nil, nil
}
)