Build python-click Debian package from version 6.7-4 source to fix CLI autocomplete/suggest

.gitignore

@@ -28,6 +28,8 @@ src/lldpd/*
 !src/lldpd/patch/
 src/mpdecimal/*
 !src/mpdecimal/Makefile
+src/python-click/*
+!src/python-click/Makefile
 src/python3/*
 !src/python3/Makefile
 src/redis/*

files/build_templates/sonic_debian_extension.j2

@@ -89,6 +89,12 @@ sudo cp {{platform_common_py2_wheel_path}} $FILESYSTEM_ROOT/$PLATFORM_COMMON_PY2
 sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip install $PLATFORM_COMMON_PY2_WHEEL_NAME
 sudo rm -rf $FILESYSTEM_ROOT/$PLATFORM_COMMON_PY2_WHEEL_NAME
 
+# Install built Python Click package (and its dependencies via 'apt-get -y install -f')
+# Do this before installing sonic-utilities so that it doesn't attempt to install
+# an older version as part of its dependencies
+sudo dpkg --root=$FILESYSTEM_ROOT -i target/debs/python-click*_all.deb || \
+    sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install -f
+
 # Install SONiC Utilities (and its dependencies via 'apt-get -y install -f')
 sudo dpkg --root=$FILESYSTEM_ROOT -i target/debs/python-sonic-utilities_*.deb || \
     sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install -f

rules/python-click.mk

@@ -0,0 +1,16 @@
+# python-click package
+#
+# Python Click versions < 6.7 have a bug which causes bash completion
+# functionality to stop working after two sublevels. sonic-utilities depends
+# on this package, and the most recent version provided by Debian Jessie and
+# Stretch is v6.6. We build version 6.7 from source in order to fix this bug.
+# TODO: If we upgrade to a distro which provides a version >= 6.7 we will no
+# longer need to build this.
+
+PYTHON_CLICK_VERSION = 6.7-4
+
+export PYTHON_CLICK_VERSION
+
+PYTHON_CLICK = python-click_$(PYTHON_CLICK_VERSION)_all.deb
+$(PYTHON_CLICK)_SRC_PATH = $(SRC_PATH)/python-click
+SONIC_MAKE_DEBS += $(PYTHON_CLICK)

slave.mk

@@ -447,6 +447,7 @@ $(addprefix $(TARGET_PATH)/, $(SONIC_INSTALLERS)) : $(TARGET_PATH)/% : \
                 $(IGB_DRIVER) \
                 $(IXGBE_DRIVER) \
                 $(SONIC_DEVICE_DATA) \
+                $(PYTHON_CLICK) \
                 $(SONIC_UTILS) \
                 $(LIBWRAP) \
                 $(LIBPAM_TACPLUS) \

sonic-slave/Dockerfile

@@ -193,8 +193,6 @@ RUN apt-get update && apt-get install -y \
         python-netaddr \
         python-ipaddr \
         python-yaml \
-# For sonic utilities
-        python3-netaddr \
 # For lockfile
         procmail \
 # For gtest
@@ -213,7 +211,17 @@ RUN apt-get update && apt-get install -y \
         linuxdoc-tools \
         lynx \
         texlive-latex-extra \
-        texlive-latex-recommended
+        texlive-latex-recommended\
+# For python-click build
+        python-sphinx \
+        python-docutils \
+        python3-all \
+        python3-setuptools \
+        python3-sphinx \
+        python3-docutils \
+        python3-requests \
+        python3-pytest \
+        python3-colorama
 
 # For linux build
 RUN apt-get -y build-dep linux

src/python-click/Makefile

@@ -0,0 +1,26 @@
+.ONESHELL:
+SHELL = /bin/bash
+.SHELLFLAGS += -e
+
+MAIN_TARGET = python-click_$(PYTHON_CLICK_VERSION)_all.deb
+
+$(addprefix $(DEST)/, $(MAIN_TARGET)): $(DEST)/% :
+	# Remove any stale files
+	rm -rf ./python-click
+
+	# Clone python-click Debian repo
+	git clone https://salsa.debian.org/debian/python-click
+
+	pushd ./python-click
+
+	# Reset HEAD to the commit of the proper tag
+	# NOTE: Using "git checkout <tag_name>" here detaches our HEAD,
+	# which stg doesn't like, so we use this method instead
+	git reset --hard debian/$(PYTHON_CLICK_VERSION)
+
+	# Build source and Debian packages
+	dpkg-buildpackage -rfakeroot -b -us -uc -j$(SONIC_CONFIG_MAKE_JOBS)
+	popd
+
+	# Move the newly-built .deb package to the destination directory
+	mv $* $(DEST)/