chore: remove unused code

Replace deprecated 'deadcode' linter, replacing it with 'unused'.
Address lint found by 'unused'.

.golangci.yml

@@ -18,7 +18,6 @@ linters:
   enable:
     - containedctx
     - contextcheck
-    - deadcode
     - decorder
     - dupl
     - gofumpt
@@ -32,6 +31,7 @@ linters:
     - nakedret
     - revive
     - staticcheck
+    - unused
 
 linters-settings:
   misspell:

e2e/instance/instance_utils.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2021, Sylabs Inc. All rights reserved.
+// Copyright (c) 2019-2022, Sylabs Inc. All rights reserved.
 // This software is licensed under a 3-clause BSD license. Please consult the
 // LICENSE.md file distributed with the sources of this project regarding your
 // rights to use or distribute this software.
@@ -29,23 +29,6 @@ type instanceList struct {
 	Instances []instance `json:"instances"`
 }
 
-func (c *ctx) listInstance(t *testing.T, listArgs ...string) (stdout string, stderr string, success bool) {
-	var args []string
-
-	c.env.RunSingularity(
-		t,
-		e2e.WithProfile(c.profile),
-		e2e.WithCommand("instance list"),
-		e2e.WithArgs(args...),
-		e2e.PostRun(func(t *testing.T) {
-			success = !t.Failed()
-		}),
-		e2e.ExpectExit(0, e2e.GetStreams(&stdout, &stderr)),
-	)
-
-	return
-}
-
 func (c *ctx) stopInstance(t *testing.T, instance string, stopArgs ...string) (stdout string, stderr string, success bool) {
 	args := stopArgs
 

e2e/sign/sign.go

@@ -16,7 +16,6 @@ import (
 
 type ctx struct {
 	env             e2e.TestEnv
-	imgCache        string
 	keyringDir      string
 	passphraseInput []e2e.SingularityConsoleOp
 }

internal/pkg/build/sources/conveyorPacker_local.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2018-2020, Sylabs Inc. All rights reserved.
+// Copyright (c) 2018-2022, Sylabs Inc. All rights reserved.
 // This software is licensed under a 3-clause BSD license. Please consult the
 // LICENSE.md file distributed with the sources of this project regarding your
 // rights to use or distribute this software.
@@ -19,7 +19,6 @@ import (
 // LocalConveyor only needs to hold the conveyor to have the needed data to pack
 type LocalConveyor struct {
 	src string
-	b   *types.Bundle
 }
 
 // LocalPacker ...

internal/pkg/build/sources/conveyorPacker_shub.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2018-2020, Sylabs Inc. All rights reserved.
+// Copyright (c) 2018-2022, Sylabs Inc. All rights reserved.
 // This software is licensed under a 3-clause BSD license. Please consult the
 // LICENSE.md file distributed with the sources of this project regarding your
 // rights to use or distribute this software.
@@ -16,8 +16,7 @@ import (
 
 // ShubConveyorPacker only needs to hold the conveyor to have the needed data to pack.
 type ShubConveyorPacker struct {
-	recipe types.Definition
-	b      *types.Bundle
+	b *types.Bundle
 	LocalPacker
 }
 

internal/pkg/cache/cache.go

@@ -200,21 +200,6 @@ func (h *Handle) CleanCache(cacheType string, dryRun bool, days int) (err error)
 	return err
 }
 
-// cleanAllCaches is an utility function that wipes all files in the
-// cache directory, will return a error if one occurs
-func (h *Handle) cleanAllCaches() {
-	if h.disabled {
-		return
-	}
-
-	for _, ct := range append(FileCacheTypes, OciCacheTypes...) {
-		dir := h.getCacheTypeDir(ct)
-		if err := os.RemoveAll(dir); err != nil {
-			sylog.Verbosef("unable to clean %s cache, directory %s: %v", ct, dir, err)
-		}
-	}
-}
-
 // IsDisabled returns true if the cache is disabled
 func (h *Handle) IsDisabled() bool {
 	return h.disabled