This file is indexed.

/usr/bin/rosversion is in python-rospkg 1.0.41-1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
#!/usr/bin/python

# Copyright (c) 2008, Willow Garage, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the Willow Garage, Inc. nor the names of its
#       contributors may be used to endorse or promote products derived from
#       this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

from __future__ import print_function

USAGE = "Usage: rosversion <package/stack> or rosversion -d"

import os
import sys
import rospkg
from rospkg.common import PACKAGE_FILE
from rospkg.rospack import ManifestManager
import traceback


# for < fuerte, retrieve from roscore file
def get_distro_name_from_roscore():
    '''
    This function only works for ROS Electric and older.
    For any newer ROS distro the information is provided
    in the ROS_DISTRO environment variable.
    '''
    rospack = rospkg.RosPack()
    # there's some chance that the location of this file changes in the future
    try:
        roslaunch_dir = rospack.get_path('roslaunch')
        roscore_file = os.path.join(roslaunch_dir, 'roscore.xml')
        if not os.path.exists(roscore_file):
            return None
    except:
        return None

    import xml.dom.minidom
    try:
        dom = xml.dom.minidom.parse(roscore_file)
        tags = dom.getElementsByTagName("param")
        for t in tags:
            if t.hasAttribute('name') and t.getAttribute('name') == 'rosdistro':
                return t.getAttribute('value')
    except:
        traceback.print_exc()


if len(sys.argv) == 2:
    stack_name = sys.argv[1]

    if stack_name == '-d' or stack_name == '--distro':
        if 'ROS_DISTRO' in os.environ:
            distro_name = os.environ['ROS_DISTRO']
        else:
            distro_name = get_distro_name_from_roscore()
        if not distro_name:
            print('Debian')
        else:
            print(distro_name)
        sys.exit(0)

    rosstack = rospkg.RosStack()
    try:
        version = rosstack.get_stack_version(stack_name)
    except rospkg.ResourceNotFound as e:
        try:
            # hack to make it work with wet packages
            mm = ManifestManager(PACKAGE_FILE)
            path = mm.get_path(stack_name)
            package_manifest = os.path.join(path, 'package.xml')
            if os.path.exists(package_manifest):
                from xml.etree.ElementTree import ElementTree
                try:
                    root = ElementTree(None, package_manifest)
                    version = root.findtext('version')
                except Exception:
                    pass
        except rospkg.ResourceNotFound as e:
            print("Cannot locate [%s]" % (stack_name))
            sys.exit(1)

    if version is None:
        print('<unversioned>')
    else:
        print(version)
else:
    print(USAGE)
    try:
        sys.exit(os.EX_USAGE)
    except AttributeError:
        sys.exit(1)