feat: add support for fish

[Sunrisepeak]

No description provided.

[Sunrisepeak]

RefLink

• feat: add support for fish ros2/ros2cli#1211
• Add support for Fish shell ros2/ros2cli#326

[Sunrisepeak]

Test on Ubuntu24.4 (jazzy)

Test (test_fish_support.sh)

#!/bin/bash
set -e

# Test Repo Path
#  - $1: ament_package
#  - $2: ros2cli

if [ -z "$1" ] || [ -z "$2" ]; then
    echo "Usage: $0 <ament_package_repo> <ros2cli_repo>"
    exit 1
fi

AP=$1/ament_package
RC=$2/ros2cli

ROSD=jazzy

echo rosd: $ROSD
echo ament_packge: $AP
echo ros2cli: $RC

echo ---

AP=$1/ament_package
RC=$2/ros2cli

# install prefix-level files
sudo cp $AP/template/prefix_level/setup.fish /opt/ros/$ROSD/setup.fish
sed -e "s|@CMAKE_INSTALL_PREFIX@|/opt/ros/$ROSD|g" \
    -e 's|@ament_package_PYTHON_EXECUTABLE@|/usr/bin/python3|g' \
    $AP/template/prefix_level/local_setup.fish.in | sudo tee /opt/ros/$ROSD/local_setup.fish > /dev/null

sudo cp $AP/template/prefix_level/_local_setup_util.py /opt/ros/$ROSD/_local_setup_util.py

# install ros2cli fish complete
sudo cp $RC/completion/ros2-argcomplete.fish /opt/ros/$ROSD/share/ros2cli/environment/ros2-argcomplete.fish
grep -q 'argcomplete.fish' /opt/ros/$ROSD/share/ros2cli/package.dsv || \
    echo 'source;share/ros2cli/environment/ros2-argcomplete.fish' | sudo tee -a /opt/ros/$ROSD/share/ros2cli/package.dsv > /dev/null

# test
fish -c "
    source /opt/ros/$ROSD/setup.fish
    echo \"ROS_DISTRO = \$ROS_DISTRO\"
    ros2 -h
    functions -q __fish_ros2_complete; and echo \"ros2 completion: OK\"
"

Use in fish shell

bash yourPath/test_fish_support.sh ament_package_LocalRepoPath ros2cli_LocalRepoPath
source /opt/ros/jazzy/setup.fish

Output

rosd: jazzy
ament_packge: .../ament_package/ament_package
ros2cli: .../ros2cli/ros2cli
---
ROS_DISTRO = jazzy
usage: ros2 [-h] [--use-python-default-buffering] Call `ros2 <command> -h` for more detailed usage. ...

ros2 is an extensible command-line tool for ROS 2.

options:
  -h, --help            show this help message and exit
  --use-python-default-buffering
                        Do not force line buffering in stdout and instead use the python default buffering, which
                        might be affected by PYTHONUNBUFFERED/-u and depends on whatever stdout is interactive or
                        not

Commands:
  action     Various action related sub-commands
  bag        Various rosbag related sub-commands
  component  Various component related sub-commands
  daemon     Various daemon related sub-commands
  doctor     Check ROS setup and other potential issues
  interface  Show information about ROS interfaces
  launch     Run a launch file
  lifecycle  Various lifecycle related sub-commands
  multicast  Various multicast related sub-commands
  node       Various node related sub-commands
  param      Various param related sub-commands
  pkg        Various package related sub-commands
  plugin     Various plugin related sub-commands
  run        Run a package specific executable
  security   Various security related sub-commands
  service    Various service related sub-commands
  topic      Various topic related sub-commands
  wtf        Use `wtf` as alias to `doctor`

  Call `ros2 <command> -h` for more detailed usage.
ros2 completion: OK

[Sunrisepeak]

pr ready

• test on ubuntu 24.04
• Opus4.6/Codex double review + optimze