build: update linters

Author: antonydenyer

.golangci.yml

@@ -12,19 +12,20 @@ run:
 linters:
   disable-all: true
   enable:
-    - deadcode
     - goconst
     - goimports
     - gosimple
     - govet
     - ineffassign
     - misspell
-    # - staticcheck
     - unconvert
-    # - unused
-    - varcheck
     - typecheck
-
+    - unused
+    - staticcheck
+    - bidichk
+    - durationcheck
+    - exportloopref
+    - whitespace
 
 linters-settings:
   gofmt:

build/ci.go

@@ -1013,21 +1013,21 @@ func doPurge(cmdline []string) {
 
 	// Iterate over the blobs, collect and sort all unstable builds
 	for i := 0; i < len(blobs); i++ {
-		if !strings.Contains(*blobs[i].Name, "unstable") {
+		if !strings.Contains(blobs[i].Name, "unstable") {
 			blobs = append(blobs[:i], blobs[i+1:]...)
 			i--
 		}
 	}
 	for i := 0; i < len(blobs); i++ {
 		for j := i + 1; j < len(blobs); j++ {
-			if blobs[i].Properties.LastModified.After(*blobs[j].Properties.LastModified) {
+			if blobs[i].Properties.LastModified.After(blobs[j].Properties.LastModified) {
 				blobs[i], blobs[j] = blobs[j], blobs[i]
 			}
 		}
 	}
 	// Filter out all archives more recent that the given threshold
 	for i, blob := range blobs {
-		if time.Since(*blob.Properties.LastModified) < time.Duration(*limit)*24*time.Hour {
+		if time.Since(blob.Properties.LastModified) < time.Duration(*limit)*24*time.Hour {
 			blobs = blobs[:i]
 			break
 		}