badguardhome/scripts/make/go-lint.sh
Ainar Garipov 7e64205d44 Pull request: home: rm var shadowing, vol. 4
Closes #2803.

Squashed commit of the following:

commit cb36cc8811160bb39a32fb8eddf962d0ebe9035a
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 12 14:21:46 2021 +0300

    home: imp more

commit 9ea7ccec8bb293881cf724d7ad57e6744243d8b9
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 12 13:58:10 2021 +0300

    all: imp naming, refactor http srv shutdown

commit f29221007c16fd3e7230bf2c1ac37b365f3e29aa
Merge: 2247c05b bfbf73f3
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 12 13:35:17 2021 +0300

    Merge branch 'master' into 2803-shadow-4

commit 2247c05b5521346aaf362d81ccdd64fee31f1e6d
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Jan 29 20:53:21 2021 +0300

    home: rm var shadowing, vol. 4
2021-03-12 14:32:08 +03:00

164 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 ./...
exit_on_output 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 ./...