Move UTC selection to testsuite environment variable

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

Makefile

@@ -82,13 +82,13 @@ vet: $(config)
 
 .PHONY: test
 test: $(config)
-	go test ./...
+	TZ=UTC go test ./...
 
 .PHONY: test-cover
 test-cover: $(config)
 	rm -rf coverage
 	mkdir coverage
-	go list -f '{{if gt (len .TestGoFiles) 0}}"go test -covermode count -coverprofile {{.Name}}.coverprofile -coverpkg ./... {{.ImportPath}}"{{end}}' ./... | xargs -I {} bash -c {}
+	go list -f '{{if gt (len .TestGoFiles) 0}}"TZ=UTC go test -covermode count -coverprofile {{.Name}}.coverprofile -coverpkg ./... {{.ImportPath}}"{{end}}' ./... | xargs -I {} bash -c {}
 	echo "mode: count" >coverage/cover.out
 	grep -h -v "^mode:" *.coverprofile >>"coverage/cover.out"
 	rm *.coverprofile

internal/app/wwctl/container/list/main.go

@@ -27,10 +27,6 @@ func CobraRunE(vars *variables) func(cmd *cobra.Command, args []string) (err err
 				for i := 0; i < len(containerInfo); i++ {
 					createTime := time.Unix(int64(containerInfo[i].CreateDate), 0)
 					modTime := time.Unix(int64(containerInfo[i].ModDate), 0)
-					if vars.utc {
-						createTime = createTime.UTC()
-						modTime = modTime.UTC()
-					}
 					sz := util.ByteToString(int64(containerInfo[i].ImgSize))
 					if vars.compressed {
 						sz = util.ByteToString(int64(containerInfo[i].ImgSizeComp))

internal/app/wwctl/container/list/main_test.go

@@ -27,7 +27,7 @@ func Test_List_Args(t *testing.T) {
 `,
 			fail: false,
 		},
-		{args: []string{"-ul"},
+		{args: []string{"-l"},
 			output: `  CONTAINER NAME  NODES  KERNEL VERSION  CREATION TIME        MODIFICATION TIME    SIZE
   test            0                      02 Jan 00 03:04 UTC  01 Jan 70 00:00 UTC  0 B
 `,

internal/app/wwctl/container/list/root.go

@@ -10,7 +10,6 @@ type variables struct {
 	kernel     bool
 	chroot     bool
 	compressed bool
-	utc        bool
 }
 
 // GetRootCommand returns the root cobra.Command for the application.
@@ -29,6 +28,5 @@ func GetCommand() *cobra.Command {
 	baseCmd.PersistentFlags().BoolVarP(&vars.size, "size", "s", false, "show size information")
 	baseCmd.PersistentFlags().BoolVarP(&vars.chroot, "chroot", "c", false, "show size of chroot")
 	baseCmd.PersistentFlags().BoolVar(&vars.compressed, "compressed", false, "show size of the compressed image")
-	baseCmd.PersistentFlags().BoolVarP(&vars.utc, "utc", "u", false, "use UTC for time output")
 	return baseCmd
 }