github.com/iDigitalFlame/xmt@v0.5.4/device/local/plan9_no_crypt.go (about)

     1  //go:build plan9 && !crypt
     2  // +build plan9,!crypt
     3  
     4  // Copyright (C) 2020 - 2023 iDigitalFlame
     5  //
     6  // This program is free software: you can redistribute it and/or modify
     7  // it under the terms of the GNU General Public License as published by
     8  // the Free Software Foundation, either version 3 of the License, or
     9  // any later version.
    10  //
    11  // This program is distributed in the hope that it will be useful,
    12  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  // GNU General Public License for more details.
    15  //
    16  // You should have received a copy of the GNU General Public License
    17  // along with this program.  If not, see <https://www.gnu.org/licenses/>.
    18  //
    19  
    20  package local
    21  
    22  import (
    23  	"os/exec"
    24  
    25  	"github.com/iDigitalFlame/xmt/data"
    26  )
    27  
    28  func sysID() []byte {
    29  	if b, err := data.ReadFile("/etc/hostid"); err == nil {
    30  		return b
    31  	}
    32  	o, _ := exec.Command("kenv", "-q", "smbios.system.uuid").CombinedOutput()
    33  	return o
    34  }
    35  func version() string {
    36  	var (
    37  		ok      bool
    38  		b, n, v string
    39  	)
    40  	if m := release(); len(m) > 0 {
    41  		b = m["ID"]
    42  		if n, ok = m["PRETTY_NAME"]; !ok {
    43  			n = m["NAME"]
    44  		}
    45  		if v, ok = m["VERSION_ID"]; !ok {
    46  			v = m["VERSION"]
    47  		}
    48  	}
    49  	if len(v) == 0 {
    50  		v = "plan9"
    51  	}
    52  	switch {
    53  	case len(n) == 0 && len(b) == 0 && len(v) == 0:
    54  		return "plan9"
    55  	case len(n) == 0 && len(b) > 0 && len(v) > 0:
    56  		return "plan9 (" + v + ", " + b + ")"
    57  	case len(n) == 0 && len(b) == 0 && len(v) > 0:
    58  		return "plan9 (" + v + ")"
    59  	case len(n) == 0 && len(b) > 0 && len(v) == 0:
    60  		return "plan9 (" + b + ")"
    61  	case len(n) > 0 && len(b) > 0 && len(v) > 0:
    62  		return n + " (" + v + ", " + b + ")"
    63  	case len(n) > 0 && len(b) == 0 && len(v) > 0:
    64  		return n + " (" + v + ")"
    65  	case len(n) > 0 && len(b) > 0 && len(v) == 0:
    66  		return n + " (" + b + ")"
    67  	}
    68  	return "plan9"
    69  }