Pull request: all: cleanup

Merge in DNS/adguard-home from cleanup to master

Squashed commit of the following:

commit a62e28cd35fefe45e228d1762aa2c148204c3065
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Dec 9 12:24:34 2020 +0300

    all: more cleanup

commit 04dc2220483fa3216b138b7b848b818dcc2a393a
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Dec 8 20:52:28 2020 +0300

    all: cleanup

.githooks/pre-commit

@@ -11,7 +11,7 @@ fi
 found=0
 git diff --cached --name-only | grep -q '.go$' && found=1
 if [ $found == 1 ]; then
-	make lint-go || exit 1
+	make go-lint || exit 1
 	go test ./... || exit 1
 fi
 

.golangci.yml

@@ -1,77 +0,0 @@
-# options for analysis running
-'run':
-  # default concurrency is a available CPU number
-  'concurrency': 4
-
-  # timeout for analysis, e.g. 30s, 5m, default is 1m
-  'deadline': '2m'
-
-  # which files to skip: they will be analyzed, but issues from them
-  # won't be reported. Default value is empty list, but there is
-  # no need to include all autogenerated files, we confidently recognize
-  # autogenerated files. If it's not please let us know.
-  'skip-files':
-  - '.*generated.*'
-  - 'dnsfilter/rule_to_regexp.go'
-  - 'util/pprof.go'
-  - '.*_test.go'
-  - 'client/.*'
-  - 'build/.*'
-  - 'dist/.*'
-
-# all available settings of specific linters
-'linters-settings':
-  'errcheck':
-    # [deprecated] comma-separated list of pairs of the form pkg:regex
-    # the regex is used to ignore names within pkg. (default "fmt:.*").
-    # see https://github.com/kisielk/errcheck#the-deprecated-method for details
-    'ignore': 'fmt:.*,net:SetReadDeadline,net/http:^Write'
-  'gocyclo':
-    'min-complexity': 20
-  'lll':
-    'line-length': 200
-
-'linters':
-  'enable':
-  - 'bodyclose'
-  - 'deadcode'
-  - 'depguard'
-  - 'dupl'
-  - 'errcheck'
-  - 'gocyclo'
-  - 'goimports'
-  - 'golint'
-  - 'gosec'
-  - 'govet'
-  - 'ineffassign'
-  - 'misspell'
-  - 'staticcheck'
-  - 'stylecheck'
-  - 'unconvert'
-  - 'unused'
-  - 'varcheck'
-  'disable-all': true
-  'fast': true
-
-'issues':
-  # List of regexps of issue texts to exclude, empty list by default.
-  # But independently from this option we use default exclude patterns,
-  # it can be disabled by `exclude-use-default: false`. To list all
-  # excluded by default patterns execute `golangci-lint run --help`
-  'exclude':
-  # structcheck cannot detect usages while they're there
-  - '.parentalServer. is unused'
-  - '.safeBrowsingServer. is unused'
-  # errcheck
-  - 'Error return value of .s.closeConn. is not checked'
-  - 'Error return value of ..*.Shutdown.'
-  # goconst
-  - 'string .forcesafesearch.google.com. has 3 occurrences'
-  # gosec: Profiling endpoint is automatically exposed on /debug/pprof
-  - 'G108'
-  # gosec: Subprocess launched with function call as argument or cmd arguments
-  - 'G204'
-  # gosec: Potential DoS vulnerability via decompression bomb
-  - 'G110'
-  # gosec: Expect WriteFile permissions to be 0600 or less
-  - 'G306'

CHANGELOG.md

@@ -31,14 +31,16 @@ and this project adheres to
 
 ### Changed
 
-- Post-updating relaunch possibility is now determined OS-dependently ([#2231], [#2391]).
+- Post-updating relaunch possibility is now determined OS-dependently ([#2231],
+  [#2391]).
 - Made the mobileconfig HTTP API more robust and predictable, add parameters and
   improve error response ([#2358]).
 - Improved HTTP requests handling and timeouts ([#2343]).
 - Our snap package now uses the `core20` image as its base ([#2306]).
-- Various internal improvements ([#2271], [#2297]).
+- Various internal improvements ([#2267], [#2271], [#2297]).
 
 [#2231]: https://github.com/AdguardTeam/AdGuardHome/issues/2231
+[#2267]: https://github.com/AdguardTeam/AdGuardHome/issues/2267
 [#2271]: https://github.com/AdguardTeam/AdGuardHome/issues/2271
 [#2297]: https://github.com/AdguardTeam/AdGuardHome/issues/2297
 [#2306]: https://github.com/AdguardTeam/AdGuardHome/issues/2306

HACKING.md

@@ -117,8 +117,6 @@ The rules are mostly sorted in the alphabetical order.
 
  *  Use `gofumpt --extra -s`.
 
-    **TODO(a.garipov):** Add to the linters.
-
  *  Write slices of struct like this:
 
     ```go