github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/cmd/snap-repair/cmd_list.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2017 Canonical Ltd
     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 version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package main
    21  
    22  import (
    23  	"fmt"
    24  	"text/tabwriter"
    25  )
    26  
    27  func init() {
    28  	const (
    29  		short = "Lists repairs run on this device"
    30  		long  = ""
    31  	)
    32  
    33  	if _, err := parser.AddCommand("list", short, long, &cmdList{}); err != nil {
    34  		panic(err)
    35  	}
    36  
    37  }
    38  
    39  type cmdList struct{}
    40  
    41  func (c *cmdList) Execute([]string) error {
    42  	w := tabwriter.NewWriter(Stdout, 5, 3, 2, ' ', 0)
    43  	defer w.Flush()
    44  
    45  	// FIXME: this will not currently list the repairs that are
    46  	//        skipped because of e.g. wrong architecture
    47  
    48  	// directory structure is:
    49  	// var/lib/snapd/run/repairs/
    50  	//  canonical/
    51  	//    1/
    52  	//      r0.retry
    53  	//      r0.script
    54  	//      r1.done
    55  	//      r1.script
    56  	//    2/
    57  	//      r3.done
    58  	//      r3.script
    59  	repairTraces, err := newRepairTraces("*", "*")
    60  	if err != nil {
    61  		return err
    62  	}
    63  	if len(repairTraces) == 0 {
    64  		fmt.Fprintf(Stderr, "no repairs yet\n")
    65  		return nil
    66  	}
    67  
    68  	fmt.Fprintf(w, "Repair\tRev\tStatus\tSummary\n")
    69  	for _, t := range repairTraces {
    70  		fmt.Fprintf(w, "%s\t%v\t%s\t%s\n", t.Repair(), t.Revision(), t.Status(), t.Summary())
    71  	}
    72  
    73  	return nil
    74  }