From a5bb31943c5c566a9aade6dfcff9965dad976008 Mon Sep 17 00:00:00 2001
From: Kyle Isom <kyle@imap.cc>
Date: Thu, 19 Oct 2023 22:04:15 -0700
Subject: [PATCH] Add trunk to repo, import clang-format.

---
 .circleci/config.yml |  10 +
 .clang-format        |  67 +++++++
 trunk                | 446 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 523 insertions(+)
 create mode 100644 .clang-format
 create mode 100755 trunk

diff --git a/.circleci/config.yml b/.circleci/config.yml
index d265266..6c58b11 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -18,9 +18,19 @@ jobs:
           name: Setup cmake build
           command: setup-cmake.sh
 
+  static_analysis:
+    docker:
+      - image: git.wntrmute.dev/sc/dev:alpine
+    steps:
+      - checkout
+      - run:
+          - name: trunk check
+            command: ./trunk check
+
 # Orchestrate jobs using workflows
 # See: https://circleci.com/docs/configuration-reference/#workflows
 workflows:
   ctest:
     jobs:
       - ctest
+      - static_analysis
diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..0451da0
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,67 @@
+# Generated from CLion C/C++ Code Style settings
+BasedOnStyle: LLVM
+AccessModifierOffset: -8
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: Consecutive
+AlignOperands: Align
+AllowAllArgumentsOnNextLine: false
+AllowAllConstructorInitializersOnNextLine: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: Always
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: Always
+AllowShortLambdasOnASingleLine: All
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterReturnType: TopLevel
+AlwaysBreakTemplateDeclarations: Yes
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: false
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: true
+  AfterNamespace: false
+  AfterUnion: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: true
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeColon
+BreakInheritanceList: BeforeColon
+ColumnLimit: 0
+CompactNamespaces: false
+ContinuationIndentWidth: 4
+IndentCaseLabels: false
+IndentPPDirectives: None
+IndentWidth: 8
+KeepEmptyLinesAtTheStartOfBlocks: true
+MaxEmptyLinesToKeep: 2
+NamespaceIndentation: None
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+QualifierAlignment: Left
+PointerAlignment: Right
+ReflowComments: false
+SpaceAfterCStyleCast: true
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: false
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 0
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+TabWidth: 8
+UseTab: ForContinuationAndIndentation
diff --git a/trunk b/trunk
new file mode 100755
index 0000000..0f40838
--- /dev/null
+++ b/trunk
@@ -0,0 +1,446 @@
+#!/bin/bash
+
+###############################################################################
+#                                                                             #
+#   Setup                                                                     #
+#                                                                             #
+###############################################################################
+
+set -euo pipefail
+
+readonly TRUNK_LAUNCHER_VERSION="1.2.7" # warning: this line is auto-updated
+
+readonly SUCCESS_MARK="\033[0;32m✔\033[0m"
+readonly FAIL_MARK="\033[0;31m✘\033[0m"
+readonly PROGRESS_MARKS=("⡿" "⢿" "⣻" "⣽" "⣾" "⣷" "⣯" "⣟")
+
+# This is how mktemp(1) decides where to create stuff in tmpfs.
+readonly TMPDIR="${TMPDIR:-/tmp}"
+
+KERNEL=$(uname | tr "[:upper:]" "[:lower:]")
+if [[ ${KERNEL} == mingw64* || ${KERNEL} == msys* ]]; then
+  KERNEL="mingw"
+fi
+readonly KERNEL
+
+MACHINE=$(uname -m)
+if [[ $MACHINE == "aarch64" ]]; then
+  MACHINE="arm64";
+fi
+
+readonly MACHINE
+
+PLATFORM="${KERNEL}-${MACHINE}"
+readonly PLATFORM
+
+PLATFORM_UNDERSCORE="${KERNEL}_${MACHINE}"
+readonly PLATFORM_UNDERSCORE
+
+# https://en.wikipedia.org/wiki/ANSI_escape_code#CSI_(Control_Sequence_Introducer)_sequences
+# [nF is "cursor previous line" and moves to the beginning of the nth previous line
+# [0K is "erase display" and clears from the cursor to the end of the screen
+readonly CLEAR_LAST_MSG="\033[1F\033[0K"
+
+if [[ ! -z ${CI:-} && "${CI}" = true && -z ${TRUNK_LAUNCHER_QUIET:-} ]]; then
+  TRUNK_LAUNCHER_QUIET=1
+else
+  TRUNK_LAUNCHER_QUIET=${TRUNK_LAUNCHER_QUIET:-${TRUNK_QUIET:-false}}
+fi
+
+readonly TRUNK_LAUNCHER_DEBUG
+
+if [[ ${TRUNK_LAUNCHER_QUIET} != false ]]; then
+  exec 3>&1 4>&2 &>/dev/null
+fi
+
+TRUNK_CACHE="${TRUNK_CACHE:-}"
+if [[ -n ${TRUNK_CACHE} ]]; then
+  :
+elif [[ -n ${XDG_CACHE_HOME:-} ]]; then
+  TRUNK_CACHE="${XDG_CACHE_HOME}/trunk"
+else
+  TRUNK_CACHE="${HOME}/.cache/trunk"
+fi
+readonly TRUNK_CACHE
+readonly CLI_DIR="${TRUNK_CACHE}/cli"
+mkdir -p "${CLI_DIR}"
+
+# platform check
+readonly MINIMUM_MACOS_VERSION="10.15"
+check_darwin_version() {
+  local osx_version
+  osx_version="$(sw_vers -productVersion)"
+
+  # trunk-ignore-begin(shellcheck/SC2312): the == will fail if anything inside the $() fails
+  if [[ "$(printf "%s\n%s\n" "${MINIMUM_MACOS_VERSION}" "${osx_version}" |
+    sort --version-sort |
+    head -n 1)" == "${MINIMUM_MACOS_VERSION}"* ]]; then
+    return
+  fi
+  # trunk-ignore-end(shellcheck/SC2312)
+
+  echo -e "${FAIL_MARK} Trunk requires at least MacOS ${MINIMUM_MACOS_VERSION}" \
+    "(yours is ${osx_version}). See https://docs.trunk.io for more info."
+  exit 1
+}
+
+if [[ ${PLATFORM} == "darwin-x86_64" || ${PLATFORM} == "darwin-arm64" ]]; then
+  check_darwin_version
+elif [[ ${PLATFORM} == "linux-x86_64" || ${PLATFORM} == "linux-arm64" || ${PLATFORM} == "windows-x86_64" || ${PLATFORM} == "mingw-x86_64" ]]; then
+  :
+else
+  echo -e "${FAIL_MARK} Trunk is only supported on Linux (x64_64, arm64), MacOS (x86_64, arm64), and Windows (x86_64)." \
+    "See https://docs.trunk.io for more info."
+  exit 1
+fi
+
+TRUNK_TMPDIR="${TMPDIR}/trunk-$(
+  set -e
+  id -u
+)/launcher_logs"
+readonly TRUNK_TMPDIR
+mkdir -p "${TRUNK_TMPDIR}"
+
+# For the `mv $TOOL_TMPDIR/trunk $TOOL_DIR` to be atomic (i.e. just inode renames), the source and destination filesystems need to be the same
+TOOL_TMPDIR=$(mktemp -d "${CLI_DIR}/tmp.XXXXXXXXXX")
+readonly TOOL_TMPDIR
+
+cleanup() {
+  rm -rf "${TOOL_TMPDIR}"
+  if [[ $1 == "0" ]]; then
+    rm -rf "${TRUNK_TMPDIR}"
+  fi
+}
+trap 'cleanup $?' EXIT
+
+# e.g. 2022-02-16-20-40-31-0800
+dt_str() { date +"%Y-%m-%d-%H-%M-%S%z"; }
+
+LAUNCHER_TMPDIR="${TOOL_TMPDIR}/launcher"
+readonly LAUNCHER_TMPDIR
+mkdir -p "${LAUNCHER_TMPDIR}"
+
+if [[ -n ${TRUNK_LAUNCHER_DEBUG:-} ]]; then
+  set -x
+fi
+
+# launcher awk
+#
+# BEGIN{ORS="";}
+#   use "" as the output record separator
+#   ORS defaults to "\n" for bwk, which results in
+#     $(printf "foo bar" | awk '{print $2}') == "bar\n"
+#
+# {gsub(/\r/, "", $0)}
+#   for every input record (i.e. line), the regex "\r" should be replaced with ""
+#   This is necessary to handle CRLF files in a portable fashion.
+#
+# Some StackOverflow answers suggest using RS="\r?\n" to handle CRLF files (RS is the record
+# separator, i.e. the line delimiter); unfortunately, original-awk only allows single-character
+# values for RS (see https://www.gnu.org/software/gawk/manual/gawk.html#awk-split-records).
+lawk() {
+  awk 'BEGIN{ORS="";}{gsub(/\r/, "", $0)}'"${1}" "${@:2}"
+}
+awk_test() {
+  # trunk-ignore-begin(shellcheck/SC2310,shellcheck/SC2312)
+  # SC2310 and SC2312 are about set -e not propagating to the $(); if that happens, the string
+  # comparison will fail and we'll claim the user's awk doesn't work
+  if [[ $(
+    set -e
+    printf 'k1: v1\n \tk2: v2\r\n' | lawk '/[ \t]+k2:/{print $2}'
+  ) == 'v2' &&
+  $(
+    set -e
+    printf 'k1: v1\r\n\t k2: v2\r\n' | lawk '/[ \t]+k2:/{print $2}'
+  ) == 'v2' ]]; then
+    return
+  fi
+  # trunk-ignore-end(shellcheck/SC2310,shellcheck/SC2312)
+
+  echo -e "${FAIL_MARK} Trunk does not work with your awk;" \
+    "please report this at https://slack.trunk.io."
+  echo -e "Your version of awk is:"
+  awk --version || awk -Wversion
+  exit 1
+}
+awk_test
+
+readonly CURL_FLAGS="${CURL_FLAGS:- -vvv --max-time 120 --retry 3 --fail}"
+readonly WGET_FLAGS="${WGET_FLAGS:- --verbose --tries=3 --limit-rate=10M}"
+TMP_DOWNLOAD_LOG="${TRUNK_TMPDIR}/download-$(
+  set -e
+  dt_str
+).log"
+readonly TMP_DOWNLOAD_LOG
+
+# Detect whether we should use wget or curl.
+if command -v wget &>/dev/null; then
+  download_cmd() {
+    local url="${1}"
+    local output_to="${2}"
+    # trunk-ignore-begin(shellcheck/SC2312): we don't care if wget --version errors
+    cat >>"${TMP_DOWNLOAD_LOG}" <<EOF
+Using wget to download '${url}' to '${output_to}'
+
+Is Trunk up?: https://status.trunk.io
+
+WGET_FLAGS: ${WGET_FLAGS}
+
+wget --version:
+$(wget --version 2>&1)
+
+EOF
+    # trunk-ignore-end(shellcheck/SC2312)
+
+    # Support BusyBox wget
+    if wget --help 2>&1 | grep BusyBox; then
+      wget "${url}" -O "${output_to}" 2>>"${TMP_DOWNLOAD_LOG}" &
+    else
+      # trunk-ignore(shellcheck/SC2086): we deliberately don't quote WGET_FLAGS
+      wget ${WGET_FLAGS} "${url}" --output-document "${output_to}" 2>>"${TMP_DOWNLOAD_LOG}" &
+    fi
+  }
+elif command -v curl &>/dev/null; then
+  download_cmd() {
+    local url="${1}"
+    local output_to="${2}"
+    # trunk-ignore-begin(shellcheck/SC2312): we don't care if curl --version errors
+    cat >>"${TMP_DOWNLOAD_LOG}" <<EOF
+Using curl to download '${url}' to '${output_to}'
+
+Is Trunk up?: https://status.trunk.io
+
+CURL_FLAGS: ${CURL_FLAGS}
+
+curl --version:
+$(curl --version)
+
+EOF
+    # trunk-ignore-end(shellcheck/SC2312)
+
+    # trunk-ignore(shellcheck/SC2086): we deliberately don't quote CURL_FLAGS
+    curl ${CURL_FLAGS} "${url}" --output "${output_to}" 2>>"${TMP_DOWNLOAD_LOG}" &
+  }
+else
+  download_cmd() {
+    echo -e "${FAIL_MARK} Cannot download '${url}'; please install curl or wget."
+    exit 1
+  }
+fi
+
+download_url() {
+  local url="${1}"
+  local output_to="${2}"
+  local progress_message="${3:-}"
+
+  if [[ -n ${progress_message} ]]; then
+    echo -e "${PROGRESS_MARKS[0]} ${progress_message}..."
+  fi
+
+  download_cmd "${url}" "${output_to}"
+  local download_pid="$!"
+
+  local i_prog=0
+  while [[ -d "/proc/${download_pid}" && -n ${progress_message} ]]; do
+    echo -e "${CLEAR_LAST_MSG}${PROGRESS_MARKS[${i_prog}]} ${progress_message}..."
+    sleep 0.2
+    i_prog=$(((i_prog + 1) % ${#PROGRESS_MARKS[@]}))
+  done
+
+  local download_log
+  if ! wait "${download_pid}"; then
+    download_log="${TRUNK_TMPDIR}/launcher-download-$(
+      set -e
+      dt_str
+    ).log"
+    mv "${TMP_DOWNLOAD_LOG}" "${download_log}"
+    echo -e "${CLEAR_LAST_MSG}${FAIL_MARK} ${progress_message}... FAILED (see ${download_log})"
+    echo -e "Please check your connection and try again." \
+      "If you continue to see this error message," \
+      "consider reporting it to us at https://slack.trunk.io."
+    exit 1
+  fi
+
+  if [[ -n ${progress_message} ]]; then
+    echo -e "${CLEAR_LAST_MSG}${SUCCESS_MARK} ${progress_message}... done"
+  fi
+
+}
+
+# sha256sum is in coreutils, so we prefer that over shasum, which is installed with perl
+if command -v sha256sum &>/dev/null; then
+  :
+elif command -v shasum &>/dev/null; then
+  sha256sum() { shasum -a 256 "$@"; }
+else
+  sha256sum() {
+    echo -e "${FAIL_MARK} Cannot compute sha256; please install sha256sum or shasum"
+    exit 1
+  }
+fi
+
+###############################################################################
+#                                                                             #
+#   CLI resolution functions                                                  #
+#                                                                             #
+###############################################################################
+
+trunk_yaml_abspath() {
+  local repo_head
+  local cwd
+
+  if repo_head=$(git rev-parse --show-toplevel 2>/dev/null); then
+    echo "${repo_head}/.trunk/trunk.yaml"
+  elif [[ -f .trunk/trunk.yaml ]]; then
+    cwd="$(pwd)"
+    echo "${cwd}/.trunk/trunk.yaml"
+  else
+    echo ""
+  fi
+}
+
+read_cli_version_from() {
+  local config_abspath="${1}"
+  local cli_version
+
+  cli_version="$(
+    set -e
+    lawk '/[ \t]+version:/{print $2; exit;}' "${config_abspath}"
+  )"
+  if [[ -z ${cli_version} ]]; then
+    echo -e "${FAIL_MARK} Invalid .trunk/trunk.yaml, no cli version found." \
+      "See https://docs.trunk.io for more info." >&2
+    exit 1
+  fi
+
+  echo "${cli_version}"
+}
+
+download_cli() {
+  local dl_version="${1}"
+  local expected_sha256="${2}"
+  local actual_sha256
+
+  readonly TMP_INSTALL_DIR="${LAUNCHER_TMPDIR}/install"
+  mkdir -p "${TMP_INSTALL_DIR}"
+
+  TRUNK_NEW_URL_VERSION=0.10.2-beta.1
+  if sort --help 2>&1 | grep BusyBox; then
+    readonly URL="https://trunk.io/releases/${dl_version}/trunk-${dl_version}-${PLATFORM}.tar.gz"
+  else
+    if [[ "$(printf "%s\n%s\n" "${TRUNK_NEW_URL_VERSION}" "${dl_version}" |
+      sort --version-sort |
+      head -n 1 || true)" == "${TRUNK_NEW_URL_VERSION}"* ]]; then
+      readonly URL="https://trunk.io/releases/${dl_version}/trunk-${dl_version}-${PLATFORM}.tar.gz"
+    else
+      readonly URL="https://trunk.io/releases/trunk-${dl_version}.${KERNEL}.tar.gz"
+    fi
+  fi
+
+  readonly DOWNLOAD_TAR_GZ="${TMP_INSTALL_DIR}/download-${dl_version}.tar.gz"
+
+  download_url "${URL}" "${DOWNLOAD_TAR_GZ}" "Downloading Trunk ${dl_version}"
+
+  if [[ -n ${expected_sha256:-} ]]; then
+    local verifying_text="Verifying Trunk sha256..."
+    echo -e "${PROGRESS_MARKS[0]} ${verifying_text}"
+
+    actual_sha256="$(
+      set -e
+      sha256sum "${DOWNLOAD_TAR_GZ}" | lawk '{print $1}'
+    )"
+
+    if [[ ${actual_sha256} != "${expected_sha256}" ]]; then
+      echo -e "${CLEAR_LAST_MSG}${FAIL_MARK} ${verifying_text} FAILED"
+      echo "Expected sha256: ${expected_sha256}"
+      echo "  Actual sha256: ${actual_sha256}"
+      exit 1
+    fi
+
+    echo -e "${CLEAR_LAST_MSG}${SUCCESS_MARK} ${verifying_text} done"
+  fi
+
+  local unpacking_text="Unpacking Trunk..."
+  echo -e "${PROGRESS_MARKS[0]} ${unpacking_text}"
+  tar --strip-components=1 -C "${TMP_INSTALL_DIR}" -xf "${DOWNLOAD_TAR_GZ}"
+  echo -e "${CLEAR_LAST_MSG}${SUCCESS_MARK} ${unpacking_text} done"
+
+  rm -f "${DOWNLOAD_TAR_GZ}"
+  mkdir -p "${TOOL_DIR}"
+  readonly OLD_TOOL_DIR="${CLI_DIR}/${version}"
+  # Create a backwards compatability link for old versions of trunk that want to write their
+  # crashpad_handlers to that dir.
+  if [[ ! -e ${OLD_TOOL_DIR} ]]; then
+    ln -sf "${TOOL_PART}" "${OLD_TOOL_DIR}"
+  fi
+  mv -n "${TMP_INSTALL_DIR}/trunk" "${TOOL_DIR}/" || true
+  rm -rf "${TMP_INSTALL_DIR}"
+}
+
+###############################################################################
+#                                                                             #
+#   CLI resolution                                                            #
+#                                                                             #
+###############################################################################
+
+CONFIG_ABSPATH="$(
+  set -e
+  trunk_yaml_abspath
+)"
+readonly CONFIG_ABSPATH
+
+version="${TRUNK_CLI_VERSION:-}"
+if [[ -n ${version:-} ]]; then
+  :
+elif [[ -f ${CONFIG_ABSPATH} ]]; then
+  version="$(
+    set -e
+    read_cli_version_from "${CONFIG_ABSPATH}"
+  )"
+  version_sha256="$(
+    set -e
+    lawk "/${PLATFORM_UNDERSCORE}:/"'{print $2}' "${CONFIG_ABSPATH}"
+  )"
+else
+  readonly LATEST_FILE="${LAUNCHER_TMPDIR}/latest"
+  download_url "https://trunk.io/releases/latest" "${LATEST_FILE}"
+  version=$(
+    set -e
+    lawk '/version:/{print $2}' "${LATEST_FILE}"
+  )
+  version_sha256=$(
+    set -e
+    lawk "/${PLATFORM_UNDERSCORE}:/"'{print $2}' "${LATEST_FILE}"
+  )
+fi
+
+readonly TOOL_PART="${version}-${PLATFORM}"
+readonly TOOL_DIR="${CLI_DIR}/${TOOL_PART}"
+
+if [[ ! -e ${TOOL_DIR}/trunk ]]; then
+  download_cli "${version}" "${version_sha256:-}"
+  echo # add newline between launcher and CLI output
+fi
+
+if [[ ${TRUNK_LAUNCHER_QUIET} != false ]]; then
+  exec 1>&3 3>&- 2>&4 4>&-
+fi
+
+###############################################################################
+#                                                                             #
+#   CLI invocation                                                            #
+#                                                                             #
+###############################################################################
+
+if [[ -n ${LATEST_FILE:-} ]]; then
+  mv -n "${LATEST_FILE}" "${TOOL_DIR}/version" >/dev/null 2>&1 || true
+fi
+
+# NOTE: exec will overwrite the process image, so trap will not catch the exit signal.
+# Therefore, run cleanup manually here.
+cleanup 0
+
+exec \
+  env TRUNK_LAUNCHER_VERSION="${TRUNK_LAUNCHER_VERSION}" \
+  env TRUNK_LAUNCHER_PATH="${BASH_SOURCE[0]}" \
+  "${TOOL_DIR}/trunk" "$@"