Setup Catkin workspace

.catkin_workspace

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+# This file currently only serves to mark the location of a catkin workspace for tool integration

.gitmodules

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-[submodule "emergency_stop"]
-	path = emergency_stop
-	url = https://github.com/nandantumu/emergency_stop

devel/.built_by

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+catkin_make

devel/.catkin

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+/home/nandan/Documents/AutoCar/src

devel/.rosinstall

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+- setup-file:
+    local-name: /home/nandan/Documents/AutoCar/devel/setup.sh

devel/_setup_util.py

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+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Software License Agreement (BSD License)
+#
+# Copyright (c) 2012, 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 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.
+
+'''This file generates shell code for the setup.SHELL scripts to set environment variables'''
+
+from __future__ import print_function
+import argparse
+import copy
+import errno
+import os
+import platform
+import sys
+
+CATKIN_MARKER_FILE = '.catkin'
+
+system = platform.system()
+IS_DARWIN = (system == 'Darwin')
+IS_WINDOWS = (system == 'Windows')
+
+# subfolder of workspace prepended to CMAKE_PREFIX_PATH
+ENV_VAR_SUBFOLDERS = {
+    'CMAKE_PREFIX_PATH': '',
+    'CPATH': 'include',
+    'LD_LIBRARY_PATH' if not IS_DARWIN else 'DYLD_LIBRARY_PATH': ['lib', os.path.join('lib', 'x86_64-linux-gnu')],
+    'PATH': 'bin',
+    'PKG_CONFIG_PATH': [os.path.join('lib', 'pkgconfig'), os.path.join('lib', 'x86_64-linux-gnu', 'pkgconfig')],
+    'PYTHONPATH': 'lib/python2.7/dist-packages',
+}
+
+
+def rollback_env_variables(environ, env_var_subfolders):
+    '''
+    Generate shell code to reset environment variables
+    by unrolling modifications based on all workspaces in CMAKE_PREFIX_PATH.
+    This does not cover modifications performed by environment hooks.
+    '''
+    lines = []
+    unmodified_environ = copy.copy(environ)
+    for key in sorted(env_var_subfolders.keys()):
+        subfolders = env_var_subfolders[key]
+        if not isinstance(subfolders, list):
+            subfolders = [subfolders]
+        value = _rollback_env_variable(unmodified_environ, key, subfolders)
+        if value is not None:
+            environ[key] = value
+            lines.append(assignment(key, value))
+    if lines:
+        lines.insert(0, comment('reset environment variables by unrolling modifications based on all workspaces in CMAKE_PREFIX_PATH'))
+    return lines
+
+
+def _rollback_env_variable(environ, name, subfolders):
+    '''
+    For each catkin workspace in CMAKE_PREFIX_PATH remove the first entry from env[NAME] matching workspace + subfolder.
+
+    :param subfolders: list of str '' or subfoldername that may start with '/'
+    :returns: the updated value of the environment variable.
+    '''
+    value = environ[name] if name in environ else ''
+    env_paths = [path for path in value.split(os.pathsep) if path]
+    value_modified = False
+    for subfolder in subfolders:
+        if subfolder:
+            if subfolder.startswith(os.path.sep) or (os.path.altsep and subfolder.startswith(os.path.altsep)):
+                subfolder = subfolder[1:]
+            if subfolder.endswith(os.path.sep) or (os.path.altsep and subfolder.endswith(os.path.altsep)):
+                subfolder = subfolder[:-1]
+        for ws_path in _get_workspaces(environ, include_fuerte=True, include_non_existing=True):
+            path_to_find = os.path.join(ws_path, subfolder) if subfolder else ws_path
+            path_to_remove = None
+            for env_path in env_paths:
+                env_path_clean = env_path[:-1] if env_path and env_path[-1] in [os.path.sep, os.path.altsep] else env_path
+                if env_path_clean == path_to_find:
+                    path_to_remove = env_path
+                    break
+            if path_to_remove:
+                env_paths.remove(path_to_remove)
+                value_modified = True
+    new_value = os.pathsep.join(env_paths)
+    return new_value if value_modified else None
+
+
+def _get_workspaces(environ, include_fuerte=False, include_non_existing=False):
+    '''
+    Based on CMAKE_PREFIX_PATH return all catkin workspaces.
+
+    :param include_fuerte: The flag if paths starting with '/opt/ros/fuerte' should be considered workspaces, ``bool``
+    '''
+    # get all cmake prefix paths
+    env_name = 'CMAKE_PREFIX_PATH'
+    value = environ[env_name] if env_name in environ else ''
+    paths = [path for path in value.split(os.pathsep) if path]
+    # remove non-workspace paths
+    workspaces = [path for path in paths if os.path.isfile(os.path.join(path, CATKIN_MARKER_FILE)) or (include_fuerte and path.startswith('/opt/ros/fuerte')) or (include_non_existing and not os.path.exists(path))]
+    return workspaces
+
+
+def prepend_env_variables(environ, env_var_subfolders, workspaces):
+    '''
+    Generate shell code to prepend environment variables
+    for the all workspaces.
+    '''
+    lines = []
+    lines.append(comment('prepend folders of workspaces to environment variables'))
+
+    paths = [path for path in workspaces.split(os.pathsep) if path]
+
+    prefix = _prefix_env_variable(environ, 'CMAKE_PREFIX_PATH', paths, '')
+    lines.append(prepend(environ, 'CMAKE_PREFIX_PATH', prefix))
+
+    for key in sorted([key for key in env_var_subfolders.keys() if key != 'CMAKE_PREFIX_PATH']):
+        subfolder = env_var_subfolders[key]
+        prefix = _prefix_env_variable(environ, key, paths, subfolder)
+        lines.append(prepend(environ, key, prefix))
+    return lines
+
+
+def _prefix_env_variable(environ, name, paths, subfolders):
+    '''
+    Return the prefix to prepend to the environment variable NAME, adding any path in NEW_PATHS_STR without creating duplicate or empty items.
+    '''
+    value = environ[name] if name in environ else ''
+    environ_paths = [path for path in value.split(os.pathsep) if path]
+    checked_paths = []
+    for path in paths:
+        if not isinstance(subfolders, list):
+            subfolders = [subfolders]
+        for subfolder in subfolders:
+            path_tmp = path
+            if subfolder:
+                path_tmp = os.path.join(path_tmp, subfolder)
+            # skip nonexistent paths
+            if not os.path.exists(path_tmp):
+                continue
+            # exclude any path already in env and any path we already added
+            if path_tmp not in environ_paths and path_tmp not in checked_paths:
+                checked_paths.append(path_tmp)
+    prefix_str = os.pathsep.join(checked_paths)
+    if prefix_str != '' and environ_paths:
+        prefix_str += os.pathsep
+    return prefix_str
+
+
+def assignment(key, value):
+    if not IS_WINDOWS:
+        return 'export %s="%s"' % (key, value)
+    else:
+        return 'set %s=%s' % (key, value)
+
+
+def comment(msg):
+    if not IS_WINDOWS:
+        return '# %s' % msg
+    else:
+        return 'REM %s' % msg
+
+
+def prepend(environ, key, prefix):
+    if key not in environ or not environ[key]:
+        return assignment(key, prefix)
+    if not IS_WINDOWS:
+        return 'export %s="%s$%s"' % (key, prefix, key)
+    else:
+        return 'set %s=%s%%%s%%' % (key, prefix, key)
+
+
+def find_env_hooks(environ, cmake_prefix_path):
+    '''
+    Generate shell code with found environment hooks
+    for the all workspaces.
+    '''
+    lines = []
+    lines.append(comment('found environment hooks in workspaces'))
+
+    generic_env_hooks = []
+    generic_env_hooks_workspace = []
+    specific_env_hooks = []
+    specific_env_hooks_workspace = []
+    generic_env_hooks_by_filename = {}
+    specific_env_hooks_by_filename = {}
+    generic_env_hook_ext = 'bat' if IS_WINDOWS else 'sh'
+    specific_env_hook_ext = environ['CATKIN_SHELL'] if not IS_WINDOWS and 'CATKIN_SHELL' in environ and environ['CATKIN_SHELL'] else None
+    # remove non-workspace paths
+    workspaces = [path for path in cmake_prefix_path.split(os.pathsep) if path and os.path.isfile(os.path.join(path, CATKIN_MARKER_FILE))]
+    for workspace in reversed(workspaces):
+        env_hook_dir = os.path.join(workspace, 'etc', 'catkin', 'profile.d')
+        if os.path.isdir(env_hook_dir):
+            for filename in sorted(os.listdir(env_hook_dir)):
+                if filename.endswith('.%s' % generic_env_hook_ext):
+                    # remove previous env hook with same name if present
+                    if filename in generic_env_hooks_by_filename:
+                        i = generic_env_hooks.index(generic_env_hooks_by_filename[filename])
+                        generic_env_hooks.pop(i)
+                        generic_env_hooks_workspace.pop(i)
+                    # append env hook
+                    generic_env_hooks.append(os.path.join(env_hook_dir, filename))
+                    generic_env_hooks_workspace.append(workspace)
+                    generic_env_hooks_by_filename[filename] = generic_env_hooks[-1]
+                elif specific_env_hook_ext is not None and filename.endswith('.%s' % specific_env_hook_ext):
+                    # remove previous env hook with same name if present
+                    if filename in specific_env_hooks_by_filename:
+                        i = specific_env_hooks.index(specific_env_hooks_by_filename[filename])
+                        specific_env_hooks.pop(i)
+                        specific_env_hooks_workspace.pop(i)
+                    # append env hook
+                    specific_env_hooks.append(os.path.join(env_hook_dir, filename))
+                    specific_env_hooks_workspace.append(workspace)
+                    specific_env_hooks_by_filename[filename] = specific_env_hooks[-1]
+    env_hooks = generic_env_hooks + specific_env_hooks
+    env_hooks_workspace = generic_env_hooks_workspace + specific_env_hooks_workspace
+    count = len(env_hooks)
+    lines.append(assignment('_CATKIN_ENVIRONMENT_HOOKS_COUNT', count))
+    for i in range(count):
+        lines.append(assignment('_CATKIN_ENVIRONMENT_HOOKS_%d' % i, env_hooks[i]))
+        lines.append(assignment('_CATKIN_ENVIRONMENT_HOOKS_%d_WORKSPACE' % i, env_hooks_workspace[i]))
+    return lines
+
+
+def _parse_arguments(args=None):
+    parser = argparse.ArgumentParser(description='Generates code blocks for the setup.SHELL script.')
+    parser.add_argument('--extend', action='store_true', help='Skip unsetting previous environment variables to extend context')
+    return parser.parse_known_args(args=args)[0]
+
+
+if __name__ == '__main__':
+    try:
+        try:
+            args = _parse_arguments()
+        except Exception as e:
+            print(e, file=sys.stderr)
+            sys.exit(1)
+
+        # environment at generation time
+        CMAKE_PREFIX_PATH = '/opt/ros/indigo'.split(';')
+        # prepend current workspace if not already part of CPP
+        base_path = os.path.dirname(__file__)
+        if base_path not in CMAKE_PREFIX_PATH:
+            CMAKE_PREFIX_PATH.insert(0, base_path)
+        CMAKE_PREFIX_PATH = os.pathsep.join(CMAKE_PREFIX_PATH)
+
+        environ = dict(os.environ)
+        lines = []
+        if not args.extend:
+            lines += rollback_env_variables(environ, ENV_VAR_SUBFOLDERS)
+        lines += prepend_env_variables(environ, ENV_VAR_SUBFOLDERS, CMAKE_PREFIX_PATH)
+        lines += find_env_hooks(environ, CMAKE_PREFIX_PATH)
+        print('\n'.join(lines))
+
+        # need to explicitly flush the output
+        sys.stdout.flush()
+    except IOError as e:
+        # and catch potential "broken pipe" if stdout is not writable
+        # which can happen when piping the output to a file but the disk is full
+        if e.errno == errno.EPIPE:
+            print(e, file=sys.stderr)
+            sys.exit(2)
+        raise
+
+    sys.exit(0)

devel/env.sh

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+#!/usr/bin/env sh
+# generated from catkin/cmake/templates/env.sh.in
+
+if [ $# -eq 0 ] ; then
+  /bin/echo "Usage: env.sh COMMANDS"
+  /bin/echo "Calling env.sh without arguments is not supported anymore. Instead spawn a subshell and source a setup file manually."
+  exit 1
+fi
+
+# ensure to not use different shell type which was set before
+CATKIN_SHELL=sh
+
+# source setup.sh from same directory as this file
+_CATKIN_SETUP_DIR=$(cd "`dirname "$0"`" > /dev/null && pwd)
+. "$_CATKIN_SETUP_DIR/setup.sh"
+exec "$@"

devel/setup.bash

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+#!/usr/bin/env bash
+# generated from catkin/cmake/templates/setup.bash.in
+
+CATKIN_SHELL=bash
+
+# source setup.sh from same directory as this file
+_CATKIN_SETUP_DIR=$(builtin cd "`dirname "${BASH_SOURCE[0]}"`" > /dev/null && pwd)
+. "$_CATKIN_SETUP_DIR/setup.sh"