Codebase list golang-github-vbatts-go-mtree / b37d6dc7-7334-4ece-84e6-4b44d0746757/main keywordfuncs_bsd.go
b37d6dc7-7334-4ece-84e6-4b44d0746757/main

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keywordfuncs_bsd.go @b37d6dc7-7334-4ece-84e6-4b44d0746757/main

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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) ([]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
	}
)