badguardhome/scripts/make/go-lint.sh
Ainar Garipov e84effffc3 Pull request #976: all: imp cyclomatic complexity, minor improvements
Merge in DNS/adguard-home from less-cyclo to master

Updates #2646.

Squashed commit of the following:

commit 42f81c9f716ca7a2878d481b96d31d86f7c4151b
Merge: f61e2366 42b88c32
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Feb 5 15:07:04 2021 +0300

    Merge branch 'master' into less-cyclo

commit f61e2366ea10a289cec2f76b700e7117850cd4e2
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Feb 5 15:06:02 2021 +0300

    home: imp docs

commit e3c2310ce09cb78dd53ebbe728de4d2e72e6caf7
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Jan 27 21:14:30 2021 +0300

    all: imp cyclomatic complexity, minor improvements
2021-02-05 15:17:18 +03:00

165 lines
2.9 KiB
Bash

#!/bin/sh
verbose="${VERBOSE:-0}"
# Verbosity levels:
# 0 = Don't print anything except for errors.
# 1 = Print commands, but not nested commands.
# 2 = Print everything.
if [ "$verbose" -gt '0' ]
then
set -x
fi
# Set $EXIT_ON_ERROR to zero to see all errors.
if [ "${EXIT_ON_ERROR:-1}" = '0' ]
then
set +e
else
set -e
fi
# We don't need glob expansions and we want to see errors about unset
# variables.
set -f -u
# Deferred Helpers
not_found_msg='
looks like a binary not found error.
make sure you have installed the linter binaries using:
$ make go-tools
'
not_found() {
if [ "$?" = '127' ]
then
# Code 127 is the exit status a shell uses when
# a command or a file is not found, according to the
# Bash Hackers wiki.
#
# See https://wiki.bash-hackers.org/dict/terms/exit_status.
echo "$not_found_msg" 1>&2
fi
}
trap not_found EXIT
# Simple Analyzers
# blocklist_imports is a simple check against unwanted packages.
# Currently it only looks for package log which is replaced by our own
# package github.com/AdguardTeam/golibs/log.
blocklist_imports() {
git grep -F -e '"log"' -- '*.go' || exit 0;
}
# method_const is a simple check against the usage of some raw strings
# and numbers where one should use named constants.
method_const() {
git grep -F -e '"GET"' -e '"POST"' -- '*.go' || exit 0;
}
# underscores is a simple check against Go filenames with underscores.
underscores() {
git ls-files '*_*.go' | { grep -F -e '_darwin.go' \
-e '_freebsd.go' -e '_linux.go' -e '_others.go' \
-e '_test.go' -e '_unix.go' -e '_windows.go' \
-v || exit 0; }
}
# Helpers
# exit_on_output exits with a nonzero exit code if there is anything in
# the command's combined output.
exit_on_output() (
set +e
if [ "$VERBOSE" -lt '2' ]
then
set +x
fi
cmd="$1"
shift
output="$("$cmd" "$@" 2>&1)"
exitcode="$?"
if [ "$exitcode" != '0' ]
then
echo "'$cmd' failed with code $exitcode"
fi
if [ "$output" != '' ]
then
if [ "$*" != '' ]
then
echo "combined output of '$cmd $@':"
else
echo "combined output of '$cmd':"
fi
echo "$output"
if [ "$exitcode" = '0' ]
then
exitcode='1'
fi
fi
return "$exitcode"
)
# Checks
exit_on_output blocklist_imports
exit_on_output method_const
exit_on_output underscores
exit_on_output gofumpt --extra -l -s .
golint --set_exit_status ./...
"$GO" vet ./...
gocyclo --over 19 .
gosec --quiet .
ineffassign .
unparam ./...
git ls-files -- '*.go' '*.md' '*.mod' '*.sh' '*.yaml' '*.yml'\
'Makefile'\
| xargs misspell --error
looppointer ./...
nilness ./...
# TODO(a.garipov): Enable shadow after fixing all of the shadowing.
# shadow --strict ./...
# TODO(a.garipov): Enable errcheck fully after handling all errors,
# including the deferred and generated ones, properly. Also, perhaps,
# enable --blank.
#
# errcheck ./...
exit_on_output sh -c '
errcheck --asserts --ignoregenerated ./... |\
{ grep -e "defer" -v || exit 0; }
'
staticcheck ./...