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660 natark2
# generated from colcon_core/shell/template/prefix.sh.em

# This script extends the environment with all packages contained in this
# prefix path.

# since a plain shell script can't determine its own path when being sourced
# either use the provided COLCON_CURRENT_PREFIX
# or fall back to the build time prefix (if it exists)
_colcon_prefix_sh_COLCON_CURRENT_PREFIX="/home/yahboom/roscourse_ws/install"
if [ -z "$COLCON_CURRENT_PREFIX" ]; then
if [ ! -d "$_colcon_prefix_sh_COLCON_CURRENT_PREFIX" ]; then
echo "The build time path \"$_colcon_prefix_sh_COLCON_CURRENT_PREFIX\" doesn't exist. Either source a script for a different shell or set the environment variable \"COLCON_CURRENT_PREFIX\" explicitly." 1>&2
unset _colcon_prefix_sh_COLCON_CURRENT_PREFIX
return 1
fi
else
_colcon_prefix_sh_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
fi

# function to prepend a value to a variable
# which uses colons as separators
# duplicates as well as trailing separators are avoided
# first argument: the name of the result variable
# second argument: the value to be prepended
_colcon_prefix_sh_prepend_unique_value() {
# arguments
_listname="$1"
_value="$2"

# get values from variable
eval _values=\"\$$_listname\"
# backup the field separator
_colcon_prefix_sh_prepend_unique_value_IFS="$IFS"
IFS=":"
# start with the new value
_all_values="$_value"
_contained_value=""
# iterate over existing values in the variable
for _item in $_values; do
# ignore empty strings
if [ -z "$_item" ]; then
continue
fi
# ignore duplicates of _value
if [ "$_item" = "$_value" ]; then
_contained_value=1
continue
fi
# keep non-duplicate values
_all_values="$_all_values:$_item"
done
unset _item
if [ -z "$_contained_value" ]; then
if [ -n "$COLCON_TRACE" ]; then
if [ "$_all_values" = "$_value" ]; then
echo "export $_listname=$_value"
else
echo "export $_listname=$_value:\$$_listname"
fi
fi
fi
unset _contained_value
# restore the field separator
IFS="$_colcon_prefix_sh_prepend_unique_value_IFS"
unset _colcon_prefix_sh_prepend_unique_value_IFS
# export the updated variable
eval export $_listname=\"$_all_values\"
unset _all_values
unset _values

unset _value
unset _listname
}

# add this prefix to the COLCON_PREFIX_PATH
_colcon_prefix_sh_prepend_unique_value COLCON_PREFIX_PATH "$_colcon_prefix_sh_COLCON_CURRENT_PREFIX"
unset _colcon_prefix_sh_prepend_unique_value

# check environment variable for custom Python executable
if [ -n "$COLCON_PYTHON_EXECUTABLE" ]; then
if [ ! -f "$COLCON_PYTHON_EXECUTABLE" ]; then
echo "error: COLCON_PYTHON_EXECUTABLE '$COLCON_PYTHON_EXECUTABLE' doesn't exist"
return 1
fi
_colcon_python_executable="$COLCON_PYTHON_EXECUTABLE"
else
# try the Python executable known at configure time
_colcon_python_executable="/usr/bin/python3"
# if it doesn't exist try a fall back
if [ ! -f "$_colcon_python_executable" ]; then
if ! /usr/bin/env python3 --version > /dev/null 2> /dev/null; then
echo "error: unable to find python3 executable"
return 1
fi
_colcon_python_executable=`/usr/bin/env python3 -c "import sys; print(sys.executable)"`
fi
fi

# function to source another script with conditional trace output
# first argument: the path of the script
_colcon_prefix_sh_source_script() {
if [ -f "$1" ]; then
if [ -n "$COLCON_TRACE" ]; then
echo "# . \"$1\""
fi
. "$1"
else
echo "not found: \"$1\"" 1>&2
fi
}

# get all commands in topological order
_colcon_ordered_commands="$($_colcon_python_executable "$_colcon_prefix_sh_COLCON_CURRENT_PREFIX/_local_setup_util_sh.py" sh)"
unset _colcon_python_executable
if [ -n "$COLCON_TRACE" ]; then
echo "_colcon_prefix_sh_source_script() {
if [ -f \"\$1\" ]; then
if [ -n \"\$COLCON_TRACE\" ]; then
echo \"# . \\\"\$1\\\"\"
fi
. \"\$1\"
else
echo \"not found: \\\"\$1\\\"\" 1>&2
fi
}"
echo "# Execute generated script:"
echo "# <<<"
echo "${_colcon_ordered_commands}"
echo "# >>>"
echo "unset _colcon_prefix_sh_source_script"
fi
eval "${_colcon_ordered_commands}"
unset _colcon_ordered_commands

unset _colcon_prefix_sh_source_script

unset _colcon_prefix_sh_COLCON_CURRENT_PREFIX