github.com/meulengracht/snapd@v0.0.0-20210719210640-8bde69bcc84e/cmd/snap/cmd_paths.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2018 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  
    25  	"github.com/jessevdk/go-flags"
    26  
    27  	"github.com/snapcore/snapd/dirs"
    28  	"github.com/snapcore/snapd/i18n"
    29  )
    30  
    31  var pathsHelp = i18n.G("Print system paths")
    32  var longPathsHelp = i18n.G(`
    33  The paths command prints the list of paths detected and used by snapd.
    34  `)
    35  
    36  type cmdPaths struct{}
    37  
    38  func init() {
    39  	addDebugCommand("paths", pathsHelp, longPathsHelp, func() flags.Commander {
    40  		return &cmdPaths{}
    41  	}, nil, nil)
    42  }
    43  
    44  func (cmd cmdPaths) Execute(args []string) error {
    45  	if len(args) > 0 {
    46  		return ErrExtraArgs
    47  	}
    48  
    49  	// TODO: include paths reported by snap-confine
    50  	for _, p := range []struct {
    51  		name string
    52  		path string
    53  	}{
    54  		{"SNAPD_MOUNT", dirs.SnapMountDir},
    55  		{"SNAPD_BIN", dirs.SnapBinariesDir},
    56  		{"SNAPD_LIBEXEC", dirs.DistroLibExecDir},
    57  	} {
    58  		fmt.Fprintf(Stdout, "%s=%s\n", p.name, p.path)
    59  	}
    60  
    61  	return nil
    62  }