init

service/service_interfaces/install/local_setup.zsh

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+# generated from colcon_zsh/shell/template/prefix.zsh.em
+
+# This script extends the environment with all packages contained in this
+# prefix path.
+
+# a zsh script is able to determine its own path if necessary
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+  _colcon_prefix_zsh_COLCON_CURRENT_PREFIX="$(builtin cd -q "`dirname "${(%):-%N}"`" > /dev/null && pwd)"
+else
+  _colcon_prefix_zsh_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+fi
+
+# function to convert array-like strings into arrays
+# to workaround SH_WORD_SPLIT not being set
+_colcon_prefix_zsh_convert_to_array() {
+  local _listname=$1
+  local _dollar="$"
+  local _split="{="
+  local _to_array="(\"$_dollar$_split$_listname}\")"
+  eval $_listname=$_to_array
+}
+
+# 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_zsh_prepend_unique_value() {
+  # arguments
+  _listname="$1"
+  _value="$2"
+
+  # get values from variable
+  eval _values=\"\$$_listname\"
+  # backup the field separator
+  _colcon_prefix_zsh_prepend_unique_value_IFS="$IFS"
+  IFS=":"
+  # start with the new value
+  _all_values="$_value"
+  _contained_value=""
+  # workaround SH_WORD_SPLIT not being set
+  _colcon_prefix_zsh_convert_to_array _values
+  # 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_zsh_prepend_unique_value_IFS"
+  unset _colcon_prefix_zsh_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_zsh_prepend_unique_value COLCON_PREFIX_PATH "$_colcon_prefix_zsh_COLCON_CURRENT_PREFIX"
+unset _colcon_prefix_zsh_prepend_unique_value
+unset _colcon_prefix_zsh_convert_to_array
+
+# check environment variable for custom Python executable
+if [ -n "$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_zsh_COLCON_CURRENT_PREFIX/_local_setup_util_sh.py" sh zsh)"
+unset _colcon_python_executable
+if [ -n "$COLCON_TRACE" ]; then
+  echo "$(declare -f _colcon_prefix_sh_source_script)"
+  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_zsh_COLCON_CURRENT_PREFIX