static-test-tools: Split out build logic

- Move build logic to ./build.sh to reduce the number of layers generated
- Build uncrustify from source
    - this allows updating it to newer versions without having to touch
      two repositories
- Update uncrustify to the latest stable release

static-test-tools/Dockerfile

@@ -9,29 +9,6 @@ ENV LC_ALL C.UTF-8
 ENV LANG C.UTF-8
 
 RUN \
-    echo 'Update the package index files to latest available versions' >&2 && \
-    apt-get update && \
-    echo 'Installing static test tools' >&2 && \
-    apt-get -y --no-install-recommends install \
-        coccinelle \
-        cppcheck \
-        doxygen \
-        graphviz \
-        less \
-        make \
-        pcregrep \
-        shellcheck \
-        vera++ \
-        wget \
-        && \
-    echo 'Cleaning up installation files' >&2 && \
-    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-
-# Install required Python packages
-COPY requirements.txt /tmp/requirements.txt
-RUN echo 'Installing python3 packages' >&2 && \
-    pip3 install --no-cache-dir -r /tmp/requirements.txt && \
-    rm -f /tmp/requirements.txt
-
-# Install uncrustify
-COPY --from=ghcr.io/kaspar030/uncrustify-builder:latest /usr/bin/uncrustify /usr/bin/uncrustify
+    --mount=type=bind,source=build.sh,target=/root/build.sh \
+    --mount=type=bind,source=requirements.txt,target=/root/requirements.txt \
+    cd /root && ./build.sh

static-test-tools/build.sh

@@ -0,0 +1,97 @@
+#!/bin/bash
+
+# Automatically exit on error
+set -e
+
+COUNTER_STEP=0
+COUNTER_SUBSTEP=0
+BLUE="\e[34m"
+BOLD="\e[1m"
+NORMAL="\e[0m"
+
+UNCRUSTIFY_VERSION="0.76.0"
+UNCRUSTIFY_SHA256="32e2f95485a933fc5667880f1a09a964ae83132c235bb606abbb0a659453acb3"
+UNCRUSTIFY_URL="https://github.com/uncrustify/uncrustify/archive/refs/tags/uncrustify-$UNCRUSTIFY_VERSION.tar.gz"
+
+step() {
+    COUNTER_SUBSTEP=0
+    COUNTER_STEP=$(("$COUNTER_STEP" + 1))
+    printf "${BLUE}${BOLD}==>${NORMAL}${BOLD} Step %d:${NORMAL} %s\n" "$COUNTER_STEP" "$1"
+}
+
+substep() {
+    COUNTER_SUBSTEP=$(("$COUNTER_SUBSTEP" + 1))
+    printf "${BLUE}${BOLD}    -->${NORMAL}${BOLD} Step %d.%d:${NORMAL} %s\n" \
+        "$COUNTER_STEP" "$COUNTER_SUBSTEP" "$1"
+}
+
+step_prepare_apt() {
+    step "Updating apt package index"
+    apt-get update
+}
+
+step_install_apt_packages() {
+    step "Installing packages via apt package manager"
+
+    substep "Installing base shell utilities"
+    apt-get -y --no-install-recommends install wget less pcregrep
+
+    substep "Installing tools to generate documentation"
+    apt-get -y --no-install-recommends install make doxygen graphviz
+
+    substep "Installing linting tools"
+    apt-get -y --no-install-recommends install coccinelle cppcheck shellcheck vera++
+}
+
+step_install_pip_packages() {
+    step "Installing python packages via pip"
+    pip3 install --no-cache-dir -r requirements.txt
+}
+
+step_build_uncrustify() {
+    step "Building uncrustify"
+
+    local olddir
+    olddir="$(pwd)"
+
+    substep "Installing build requirements"
+    apt-get -y --no-install-recommends install cmake g++
+
+    substep "Preparing build dir and downloading source"
+    cd /tmp
+    wget "$UNCRUSTIFY_URL"
+
+    substep "Verifying and unpacking source"
+    echo "$UNCRUSTIFY_SHA256 $(basename "$UNCRUSTIFY_URL")" | sha256sum -c -
+    tar xf "$(basename "$UNCRUSTIFY_URL")"
+    mkdir "uncrustify-uncrustify-$UNCRUSTIFY_VERSION"/build
+    cd "uncrustify-uncrustify-$UNCRUSTIFY_VERSION"/build
+
+    substep "Running cmake"
+    cmake .. -DCMAKE_FIND_LIBRARY_SUFFIXES=".a" -DCMAKE_EXE_LINKER_FLAGS="-static"
+
+    substep "Running make"
+    make
+
+    substep "Strip and install binary"
+    strip uncrustify
+    install -Dm755 uncrustify /usr/bin/uncrustify
+
+    substep "Cleaning up build files and removing build dependencies"
+    cd "$olddir"
+    apt-get -y purge cmake g++
+    rm -rf /tmp/uncrustify-*
+}
+
+step_clean_apt() {
+    step "Cleaning up apt package index and temporary files"
+    apt-get clean
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+}
+
+step_prepare_apt
+step_install_apt_packages
+step_install_pip_packages
+step_build_uncrustify
+step_clean_apt
+exit 0