* add depguard rule for ioutil
* replace ioutil.ReadDir with os.ReadDir
* use legacy option in depguard supported in golangci-lint v1.40
* replace ioutil.ReadDir with os.ReadDir
* return error for file info
* only recurse a symbolic link if it is a directory
* added test for detecting valid plugins using lib dirs with symbolic links in them (like oracle)
* fix linting errors
* added extra checks as per code-review
See,
$ gometalinter --vendor --deadline 10m --disable-all --enable=golint ./...
filepath.go:12:5⚠️ error var WalkSkipDir should have name of the form ErrFoo (golint)
shortid_generator.go:11:5⚠️ var validUidPattern should be validUIDPattern (golint)
shortid_generator.go:19:6⚠️ func IsValidShortUid should be IsValidShortUID (golint)
shortid_generator.go:24:6⚠️ func GenerateShortUid should be GenerateShortUID (golint)
This commit fixes the following golint warnings:
pkg/bus/bus.go:64:9: if block ends with a return statement, so drop this else and outdent its block
pkg/bus/bus.go:84:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:137:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:177:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:183:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:199:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:208:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/components/dynmap/dynmap.go:236:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:242:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:257:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:263:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:278:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:284:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:299:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:331:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:350:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:356:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:366:12: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:390:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:396:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:405:12: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:427:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:433:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:442:12: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:459:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:465:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:474:12: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:491:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:497:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:506:12: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:523:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:529:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:538:12: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:555:9: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:561:10: if block ends with a return statement, so drop this else and outdent its block
pkg/components/dynmap/dynmap.go:570:12: if block ends with a return statement, so drop this else and outdent its block
pkg/login/ldap.go:55:11: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/login/ldap_test.go:372:10: if block ends with a return statement, so drop this else and outdent its block
pkg/middleware/middleware_test.go:213:12: if block ends with a return statement, so drop this else and outdent its block
pkg/plugins/dashboard_importer.go:153:11: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/plugins/dashboards_updater.go:39:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/plugins/dashboards_updater.go:121:10: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/plugins/plugins.go:210:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/plugins/plugins.go:235:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/alerting/eval_context.go:111:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/alerting/notifier.go:92:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/alerting/notifier.go:98:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/alerting/notifier.go:122:10: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/alerting/rule.go:108:10: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/alerting/rule.go:118:10: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/alerting/rule.go:121:11: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/alerting/notifiers/telegram.go:94:10: if block ends with a return statement, so drop this else and outdent its block
pkg/services/sqlstore/annotation.go:34:11: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/sqlstore/annotation.go:99:11: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/sqlstore/dashboard_test.go:107:13: if block ends with a return statement, so drop this else and outdent its block
pkg/services/sqlstore/plugin_setting.go:78:10: if block ends with a return statement, so drop this else and outdent its block
pkg/services/sqlstore/preferences.go:91:10: if block ends with a return statement, so drop this else and outdent its block
pkg/services/sqlstore/user.go:50:10: if block ends with a return statement, so drop this else and outdent its block
pkg/services/sqlstore/migrator/migrator.go:106:11: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/services/sqlstore/migrator/postgres_dialect.go:48:10: if block ends with a return statement, so drop this else and outdent its block
pkg/tsdb/time_range.go:59:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/tsdb/time_range.go:67:9: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
pkg/tsdb/cloudwatch/metric_find_query.go:225:9: if block ends with a return statement, so drop this else and outdent its block
pkg/util/filepath.go:68:11: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)
