docker-mailserver/test/linting/lint.sh

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#!/bin/bash
# version v0.3.0
# executed by Make (during CI or manually)
# task checks files against linting targets
set -eEuo pipefail
shopt -s inherit_errexit
REPOSITORY_ROOT=$(realpath "$(dirname "$(readlink -f "${0}")")"/../../)
LOG_LEVEL=${LOG_LEVEL:-debug}
HADOLINT_VERSION='2.9.2'
ECLINT_VERSION='2.4.0'
SHELLCHECK_VERSION='0.8.0'
# shellcheck source=./../../target/scripts/helpers/log.sh
source "${REPOSITORY_ROOT}/target/scripts/helpers/log.sh"
function _eclint
{
if docker run --rm --tty \
--volume "${REPOSITORY_ROOT}:/ci:ro" \
--workdir "/ci" \
--name dms-test_eclint \
"mstruebing/editorconfig-checker:${ECLINT_VERSION}" ec -config "/ci/test/linting/.ecrc.json"
then
_log 'info' 'ECLint succeeded'
else
_log 'error' 'ECLint failed'
return 1
fi
}
function _hadolint
{
if docker run --rm --tty \
--volume "${REPOSITORY_ROOT}:/ci:ro" \
--workdir "/ci" \
--name dms-test_hadolint \
"hadolint/hadolint:v${HADOLINT_VERSION}-alpine" hadolint --config "/ci/test/linting/.hadolint.yaml" Dockerfile
then
_log 'info' 'Hadolint succeeded'
else
_log 'error' 'Hadolint failed'
return 1
fi
}
function _shellcheck
{
# File paths for shellcheck:
F_SH=$(find . -type f -iname '*.sh' \
-not -path './test/bats/*' \
-not -path './test/test_helper/*' \
-not -path './target/docker-configomat/*'
)
# shellcheck disable=SC2248
F_BIN=$(find 'target/bin' -type f -not -name '*.py')
F_BATS=$(find 'test' -maxdepth 1 -type f -iname '*.bats')
# This command is a bit easier to grok as multi-line.
# There is a `.shellcheckrc` file, but it's only supports half of the options below, thus kept as CLI:
# `SCRIPTDIR` is a special value that represents the path of the script being linted,
# all sourced scripts share the same SCRIPTDIR source-path of the original script being linted.
CMD_SHELLCHECK=(shellcheck
--external-sources
--check-sourced
--severity=style
--color=auto
--wiki-link-count=50
--enable=all
--exclude=SC2154
--exclude=SC2310
--exclude=SC2311
--exclude=SC2312
--source-path=SCRIPTDIR
"${F_SH} ${F_BIN} ${F_BATS}"
)
# The linter can reference additional source-path values declared in scripts,
# which in our case rarely benefit from extending from `SCRIPTDIR` and instead
# should use a relative path from the project root (mounted at `/ci`), eg `target/scripts/`.
# Note that `SCRIPTDIR` will strip a prefix variable for a source path, which can be useful
# if `SCRIPTDIR` would always be the same value, and combined with relative path via another
# `source-path=SCRIPTDIR/relative/path/to/scripts` in the .sh file.
# These source-path values can apply to the entire file (and sourced files) if not wrapped in a function scope.
# Otherwise it only applies to the line below it. You can declare multiple source-paths, they don't override the previous.
# `source=relative/path/to/file.sh` will check the source value in each source-path as well.
# shellcheck disable=SC2068
if docker run --rm --tty \
--volume "${REPOSITORY_ROOT}:/ci:ro" \
--workdir "/ci" \
--name dms-test_shellcheck \
"koalaman/shellcheck-alpine:v${SHELLCHECK_VERSION}" ${CMD_SHELLCHECK[@]}
then
_log 'info' 'ShellCheck succeeded'
else
_log 'error' 'ShellCheck failed'
return 1
fi
}
function _main
{
case "${1:-}" in
( 'eclint' ) _eclint ;;
( 'hadolint' ) _hadolint ;;
( 'shellcheck' ) _shellcheck ;;
( * )
_log 'error' "'${1:-}' is not a command nor an option"
return 3
;;
esac
}
_main "${@}" || exit ${?}