chore: fix build

packages/theme/mixins.less

@@ -0,0 +1,2 @@
+@import 'ng-zorro-antd/src/style/mixins/index.less';
+@import './system/mixins/index.less';

packages/theme/system/index.less

@@ -1,10 +1,9 @@
-@import './theme-default.less';
-
 /** antd: base */
 @import 'ng-zorro-antd/style/entry.less';
 
 /** antd: all components */
 @import 'ng-zorro-antd/components.less';
 
 /** system */
+@import './mixins/index.less';
 @import './entry.less';

packages/theme/system/theme-default.less

@@ -1,5 +1,4 @@
-@import 'ng-zorro-antd/src/style/mixins/index.less';
-@import './mixins/index.less';
+@root-entry-name: default;
 
 // grey
 @grey-1:  #ffffff;

packages/theme/system/theme-variable.less

@@ -1,5 +1,7 @@
 @import './theme-default.less';
 
+@root-entry-name: variable;
+
 @{html-selector} {
   --grey-1:  #fff;
   --grey-2:  #fafafa;

packages/theme/theme-compact.less

@@ -1,3 +1,4 @@
+@import './mixins.less';
 @import 'ng-zorro-antd/src/style/themes/compact.less';
 @import './system/theme-compact.less';
 @import './layout-default/style/theme-compact.less';

packages/theme/theme-dark.less

@@ -1,3 +1,4 @@
+@import './mixins.less';
 @import 'ng-zorro-antd/src/style/themes/dark.less';
 @import './system/theme-dark.less';
 @import './layout-default/style/theme-dark.less';

packages/theme/theme-default.less

@@ -1,3 +1,4 @@
+@import './mixins.less';
 @import 'ng-zorro-antd/src/style/themes/default.less';
 @import './system/theme-default.less';
 @import './layout-default/style/theme-default.less';

packages/theme/theme-variable.less

@@ -1,3 +1,4 @@
+@import './mixins.less';
 @import 'ng-zorro-antd/src/style/themes/variable.less';
 @import './system/theme-variable.less';
 @import './layout-default/style/theme-variable.less';

scripts/build/copy-less.js

@@ -27,6 +27,7 @@ function copyLess(name) {
 function copyTheme() {
   [
     'system',
+    'mixins.less',
     'index.less',
     'default.less',
     'dark.less',

scripts/ci/build-artifacts.sh

@@ -94,6 +94,7 @@ if [[ $(git ls-remote origin "refs/tags/${buildTagName}") ]]; then
   echo "removed tag because tag is already published"
   git push --delete origin ${buildTagName}
   git push origin :refs/tags/${buildTagName}
+  sleep 5
 fi
 
 echo "Git configuration has been updated to match the last commit author. Publishing now.."