added option for --no-hooks for helm diff and apply (#279)

* added option for --no-hooks for helm diff and apply

Signed-off-by: Arpan Adhikari <kcarpan5@gmail.com>

* test case for --no-hooks

Signed-off-by: Arpan Adhikari <kcarpan5@gmail.com>

* fix test fails

Signed-off-by: Arpan Adhikari <kcarpan5@gmail.com>

* Resolve conflict with main

Signed-off-by: Arpan Adhikari <kcarpan5@gmail.com>

* fixup! Resolve conflict with main

Signed-off-by: Yusuke Kuoka <ykuoka@gmail.com>

* Add no-hooks case for diff test

Signed-off-by: Yusuke Kuoka <ykuoka@gmail.com>

* fixup! Add no-hooks case for diff test

Signed-off-by: Yusuke Kuoka <ykuoka@gmail.com>

Signed-off-by: Arpan Adhikari <kcarpan5@gmail.com>
Signed-off-by: Yusuke Kuoka <ykuoka@gmail.com>
Co-authored-by: Arpan Adhikari <arpan@thephotostudio.com.au>
Co-authored-by: Yusuke Kuoka <ykuoka@gmail.com>

pkg/app/diff_test.go

@@ -32,6 +32,7 @@ type diffConfig struct {
 	suppress               []string
 	suppressSecrets        bool
 	showSecrets            bool
+	noHooks                bool
 	suppressDiff           bool
 	noColor                bool
 	context                int
@@ -95,6 +96,10 @@ func (a diffConfig) ShowSecrets() bool {
 	return a.showSecrets
 }
 
+func (a diffConfig) NoHooks() bool {
+	return a.noHooks
+}
+
 func (a diffConfig) SuppressDiff() bool {
 	return a.suppressDiff
 }
@@ -143,6 +148,7 @@ func TestDiff(t *testing.T) {
 	type flags struct {
 		skipNeeds    bool
 		includeNeeds bool
+		noHooks      bool
 	}
 
 	testcases := []struct {
@@ -1377,6 +1383,7 @@ changing working directory back to "/path/to"
 					detailedExitcode: tc.detailedExitcode,
 					skipNeeds:        tc.flags.skipNeeds,
 					includeNeeds:     tc.flags.includeNeeds,
+					noHooks:          tc.flags.noHooks,
 				})
 
 				var diffErrStr string