go-mtree/keywords_bsd.go

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// +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) (string, error) {
// ideally this will pull in from here https://www.freebsd.org/cgi/man.cgi?query=chflags&sektion=2
return "", nil
}
unameKeywordFunc = func(path string, info os.FileInfo, r io.Reader) (string, error) {
if hdr, ok := info.Sys().(*tar.Header); ok {
return 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 "", err
}
return fmt.Sprintf("uname=%s", u.Username), nil
}
uidKeywordFunc = func(path string, info os.FileInfo, r io.Reader) (string, error) {
if hdr, ok := info.Sys().(*tar.Header); ok {
return fmt.Sprintf("uid=%d", hdr.Uid), nil
}
stat := info.Sys().(*syscall.Stat_t)
return fmt.Sprintf("uid=%d", stat.Uid), nil
}
gidKeywordFunc = func(path string, info os.FileInfo, r io.Reader) (string, error) {
if hdr, ok := info.Sys().(*tar.Header); ok {
return fmt.Sprintf("gid=%d", hdr.Gid), nil
}
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
return fmt.Sprintf("gid=%d", stat.Gid), nil
}
return "", nil
}
nlinkKeywordFunc = func(path string, info os.FileInfo, r io.Reader) (string, error) {
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
return fmt.Sprintf("nlink=%d", stat.Nlink), nil
}
return "", nil
}
xattrKeywordFunc = func(path string, info os.FileInfo, r io.Reader) (string, error) {
return "", nil
}
)