enable exclude-case-sensitive and fix one odd error that came up

.golangci.yml

@@ -99,6 +99,7 @@ issues:
   max-issues-per-linter: 0
   max-same-issues: 0
   exclude-dirs: [node_modules, public, web_src]
+  exclude-case-sensitive: true
   exclude-rules:
     - path: _test\.go
       linters: [gocyclo, errcheck, dupl, gosec, unparam, staticcheck]

cmd/hook.go

@@ -465,7 +465,7 @@ func hookPrintResult(output, isCreate bool, branch, url string) {
 		fmt.Fprintf(os.Stderr, "  %s\n", url)
 	}
 	fmt.Fprintln(os.Stderr, "")
-	os.Stderr.Sync()
+	_ = os.Stderr.Sync()
 }
 
 func pushOptions() map[string]string {