Switch to go mod

vendor/github.com/vbatts/go-mtree/keywordfuncs_bsd.go

@@ -0,0 +1,69 @@
+// +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
+	}
+)