203 lines
3.5 KiB
Bash
203 lines
3.5 KiB
Bash
#!/bin/sh
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verbose="${VERBOSE:-0}"
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# Verbosity levels:
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# 0 = Don't print anything except for errors.
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# 1 = Print commands, but not nested commands.
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# 2 = Print everything.
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if [ "$verbose" -gt '0' ]
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then
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set -x
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fi
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# Set $EXIT_ON_ERROR to zero to see all errors.
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if [ "${EXIT_ON_ERROR:-1}" = '0' ]
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then
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set +e
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else
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set -e
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fi
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# We don't need glob expansions and we want to see errors about unset
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# variables.
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set -f -u
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# Deferred Helpers
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readonly not_found_msg='
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looks like a binary not found error.
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make sure you have installed the linter binaries using:
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$ make go-tools
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'
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not_found() {
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if [ "$?" = '127' ]
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then
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# Code 127 is the exit status a shell uses when
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# a command or a file is not found, according to the
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# Bash Hackers wiki.
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#
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# See https://wiki.bash-hackers.org/dict/terms/exit_status.
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echo "$not_found_msg" 1>&2
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fi
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}
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trap not_found EXIT
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# Warnings
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readonly go_min_version='go1.15'
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readonly go_min_version_prefix="go version ${go_min_version}"
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readonly go_version_msg="
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warning: your go version is different from the recommended minimal one (${go_min_version}).
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if you have the version installed, please set the GO environment variable.
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for example:
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export GO='${go_min_version}'
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"
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case "$( "$GO" version )"
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in
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("$go_min_version_prefix"*)
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# Go on.
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;;
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(*)
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echo "$go_version_msg" 1>&2
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;;
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esac
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# Simple Analyzers
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# blocklist_imports is a simple check against unwanted packages.
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# Currently it only looks for package log which is replaced by our own
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# package github.com/AdguardTeam/golibs/log.
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blocklist_imports() {
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git grep -F -e '"log"' -- '*.go' || exit 0;
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}
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# method_const is a simple check against the usage of some raw strings
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# and numbers where one should use named constants.
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method_const() {
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git grep -F -e '"GET"' -e '"POST"' -- '*.go' || exit 0;
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}
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# underscores is a simple check against Go filenames with underscores.
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underscores() {
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git ls-files '*_*.go' | {
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grep -F\
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-e '_big.go'\
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-e '_darwin.go'\
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-e '_freebsd.go'\
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-e '_linux.go'\
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-e '_little.go'\
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-e '_others.go'\
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-e '_test.go'\
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-e '_unix.go'\
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-e '_windows.go' \
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-v\
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|| exit 0
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}
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}
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# Helpers
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# exit_on_output exits with a nonzero exit code if there is anything in
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# the command's combined output.
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exit_on_output() (
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set +e
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if [ "$VERBOSE" -lt '2' ]
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then
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set +x
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fi
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cmd="$1"
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shift
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output="$( "$cmd" "$@" 2>&1 )"
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exitcode="$?"
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if [ "$exitcode" != '0' ]
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then
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echo "'$cmd' failed with code $exitcode"
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fi
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if [ "$output" != '' ]
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then
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if [ "$*" != '' ]
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then
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echo "combined output of '$cmd $@':"
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else
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echo "combined output of '$cmd':"
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fi
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echo "$output"
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if [ "$exitcode" = '0' ]
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then
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exitcode='1'
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fi
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fi
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return "$exitcode"
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)
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# Constants
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readonly go_files='./main.go ./tools.go ./internal/'
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# Checks
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exit_on_output blocklist_imports
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exit_on_output method_const
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exit_on_output underscores
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exit_on_output gofumpt --extra -l -s .
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golint --set_exit_status ./...
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"$GO" vet ./...
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# Here and below, don't use quotes to get word splitting.
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gocyclo --over 17 $go_files
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gosec --quiet $go_files
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ineffassign ./...
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unparam ./...
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git ls-files -- '*.go' '*.md' '*.mod' '*.sh' '*.yaml' '*.yml' 'Makefile'\
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| xargs misspell --error
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looppointer ./...
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nilness ./...
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exit_on_output shadow --strict ./...
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# TODO(a.garipov): Enable errcheck fully after handling all errors,
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# including the deferred and generated ones, properly. Also, perhaps,
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# enable --blank.
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#
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# errcheck ./...
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exit_on_output sh -c '
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errcheck --asserts --ignoregenerated ./... |\
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{ grep -e "defer" -v || exit 0; }
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'
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staticcheck ./...
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