Split constraints file by purpose

For clarity, keep pins which are intended to allow CI jobs to target the
HEADs of "internal" dependencies from external "pins".

action.yaml

@@ -24,7 +24,8 @@ runs:
         echo ::group::Install dependencies
         # Remove this package from constraints
         PKG_NAME=$(pip list --local --editable --format json | jq '.[0].name' -r)
-        grep -v "^${PKG_NAME}@" ${GITHUB_ACTION_PATH}/constraints.txt > constraints.txt
+        cp -a ${GITHUB_ACTION_PATH}/constraints{,-heads,-pins}.txt ./
+        sed -i.orig "s/^${PKG_NAME}@.*//g" constraints-heads.txt
         # Install dependencies, including any 'test' extras, as well as pytest-cov
         python -m pip install -U -e .[test] pytest-cov -c constraints.txt
         echo ::endgroup::

constraints-heads.txt

@@ -0,0 +1,45 @@
+colcon-alias@ git+https://github.com/colcon/colcon-alias.git
+colcon-argcomplete@ git+https://github.com/colcon/colcon-argcomplete.git
+colcon-bash@ git+https://github.com/colcon/colcon-bash.git
+colcon-bazel@ git+https://github.com/colcon/colcon-bazel.git
+colcon-bundle@ git+https://github.com/colcon/colcon-bundle.git
+colcon-cargo@ git+https://github.com/colcon/colcon-cargo.git
+colcon-cd@ git+https://github.com/colcon/colcon-cd.git
+colcon-clean@ git+https://github.com/colcon/colcon-clean.git
+colcon-cmake@ git+https://github.com/colcon/colcon-cmake.git
+colcon-common-extensions@ git+https://github.com/colcon/colcon-common-extensions.git
+colcon-core@ git+https://github.com/colcon/colcon-core.git
+colcon-coveragepy-result@ git+https://github.com/colcon/colcon-coveragepy-result.git
+colcon-defaults@ git+https://github.com/colcon/colcon-defaults.git
+colcon-devtools@ git+https://github.com/colcon/colcon-devtools.git
+colcon-ed@ git+https://github.com/colcon/colcon-ed.git
+colcon-gradle@ git+https://github.com/colcon/colcon-gradle.git
+colcon-graphviz-anim@ git+https://github.com/colcon/colcon-graphviz-anim.git
+colcon-hardware-acceleration@ git+https://github.com/colcon/colcon-hardware-acceleration.git
+colcon-installed-package-information@ git+https://github.com/colcon/colcon-installed-package-information.git
+colcon-lcov-result@ git+https://github.com/colcon/colcon-lcov-result.git
+colcon-library-path@ git+https://github.com/colcon/colcon-library-path.git
+colcon-meson@ git+https://github.com/colcon/colcon-meson.git
+colcon-metadata@ git+https://github.com/colcon/colcon-metadata.git
+colcon-mixin@ git+https://github.com/colcon/colcon-mixin.git
+colcon-notification@ git+https://github.com/colcon/colcon-notification.git
+colcon-output@ git+https://github.com/colcon/colcon-output.git
+colcon-override-check@ git+https://github.com/colcon/colcon-override-check.git
+colcon-package-information@ git+https://github.com/colcon/colcon-package-information.git
+colcon-package-selection@ git+https://github.com/colcon/colcon-package-selection.git
+colcon-parallel-executor@ git+https://github.com/colcon/colcon-parallel-executor.git
+colcon-pkg-config@ git+https://github.com/colcon/colcon-pkg-config.git
+colcon-powershell@ git+https://github.com/colcon/colcon-powershell.git
+colcon-python-setup-py@ git+https://github.com/colcon/colcon-python-setup-py.git
+colcon-recursive-crawl@ git+https://github.com/colcon/colcon-recursive-crawl.git
+colcon-rerun@ git+https://github.com/colcon/colcon-rerun.git
+colcon-ros-bazel@ git+https://github.com/colcon/colcon-ros-bazel.git
+colcon-ros-bundle@ git+https://github.com/colcon/colcon-ros-bundle.git
+colcon-ros-cargo@ git+https://github.com/colcon/colcon-ros-cargo.git
+colcon-ros-domain-id-coordinator@ git+https://github.com/colcon/colcon-ros-domain-id-coordinator.git
+colcon-ros@ git+https://github.com/colcon/colcon-ros.git
+colcon-ros-gradle@ git+https://github.com/colcon/colcon-ros-gradle.git
+colcon-sanitizer-reports@ git+https://github.com/colcon/colcon-sanitizer-reports.git
+colcon-spawn-shell@ git+https://github.com/colcon/colcon-spawn-shell.git
+colcon-test-result@ git+https://github.com/colcon/colcon-test-result.git
+colcon-zsh@ git+https://github.com/colcon/colcon-zsh.git

constraints.txt

@@ -1,45 +1,2 @@
-colcon-alias@ git+https://github.com/colcon/colcon-alias.git
-colcon-argcomplete@ git+https://github.com/colcon/colcon-argcomplete.git
-colcon-bash@ git+https://github.com/colcon/colcon-bash.git
-colcon-bazel@ git+https://github.com/colcon/colcon-bazel.git
-colcon-bundle@ git+https://github.com/colcon/colcon-bundle.git
-colcon-cargo@ git+https://github.com/colcon/colcon-cargo.git
-colcon-cd@ git+https://github.com/colcon/colcon-cd.git
-colcon-clean@ git+https://github.com/colcon/colcon-clean.git
-colcon-cmake@ git+https://github.com/colcon/colcon-cmake.git
-colcon-common-extensions@ git+https://github.com/colcon/colcon-common-extensions.git
-colcon-core@ git+https://github.com/colcon/colcon-core.git
-colcon-coveragepy-result@ git+https://github.com/colcon/colcon-coveragepy-result.git
-colcon-defaults@ git+https://github.com/colcon/colcon-defaults.git
-colcon-devtools@ git+https://github.com/colcon/colcon-devtools.git
-colcon-ed@ git+https://github.com/colcon/colcon-ed.git
-colcon-gradle@ git+https://github.com/colcon/colcon-gradle.git
-colcon-graphviz-anim@ git+https://github.com/colcon/colcon-graphviz-anim.git
-colcon-hardware-acceleration@ git+https://github.com/colcon/colcon-hardware-acceleration.git
-colcon-installed-package-information@ git+https://github.com/colcon/colcon-installed-package-information.git
-colcon-lcov-result@ git+https://github.com/colcon/colcon-lcov-result.git
-colcon-library-path@ git+https://github.com/colcon/colcon-library-path.git
-colcon-meson@ git+https://github.com/colcon/colcon-meson.git
-colcon-metadata@ git+https://github.com/colcon/colcon-metadata.git
-colcon-mixin@ git+https://github.com/colcon/colcon-mixin.git
-colcon-notification@ git+https://github.com/colcon/colcon-notification.git
-colcon-output@ git+https://github.com/colcon/colcon-output.git
-colcon-override-check@ git+https://github.com/colcon/colcon-override-check.git
-colcon-package-information@ git+https://github.com/colcon/colcon-package-information.git
-colcon-package-selection@ git+https://github.com/colcon/colcon-package-selection.git
-colcon-parallel-executor@ git+https://github.com/colcon/colcon-parallel-executor.git
-colcon-pkg-config@ git+https://github.com/colcon/colcon-pkg-config.git
-colcon-powershell@ git+https://github.com/colcon/colcon-powershell.git
-colcon-python-setup-py@ git+https://github.com/colcon/colcon-python-setup-py.git
-colcon-recursive-crawl@ git+https://github.com/colcon/colcon-recursive-crawl.git
-colcon-rerun@ git+https://github.com/colcon/colcon-rerun.git
-colcon-ros-bazel@ git+https://github.com/colcon/colcon-ros-bazel.git
-colcon-ros-bundle@ git+https://github.com/colcon/colcon-ros-bundle.git
-colcon-ros-cargo@ git+https://github.com/colcon/colcon-ros-cargo.git
-colcon-ros-domain-id-coordinator@ git+https://github.com/colcon/colcon-ros-domain-id-coordinator.git
-colcon-ros@ git+https://github.com/colcon/colcon-ros.git
-colcon-ros-gradle@ git+https://github.com/colcon/colcon-ros-gradle.git
-colcon-sanitizer-reports@ git+https://github.com/colcon/colcon-sanitizer-reports.git
-colcon-spawn-shell@ git+https://github.com/colcon/colcon-spawn-shell.git
-colcon-test-result@ git+https://github.com/colcon/colcon-test-result.git
-colcon-zsh@ git+https://github.com/colcon/colcon-zsh.git
+-c constraints-heads.txt
+-c constraints-pins.txt