Fix can not build with indexing-zh (#1433)

* fix can not build zola with search/indexing-zh feature

* fix can not build components/utils after enabled indexing-zh feature

error[E0252]: the name `Deserialize` is defined multiple times
 --> components/utils/src/de.rs:2:5
  |
1 | use serde::{Deserialize, Deserializer};
  |             ----------- previous import of the macro `Deserialize` here
2 | use serde_derive::Deserialize;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^ `Deserialize` reimported here
  |
  = note: `Deserialize` must be defined only once in the macro namespace of this module

Cargo.lock

@@ -3016,7 +3016,6 @@ dependencies = [
  "minify-html",
  "percent-encoding",
  "serde",
- "serde_derive",
  "slug",
  "tempfile",
  "tera",
@@ -3325,6 +3324,7 @@ dependencies = [
  "percent-encoding",
  "relative-path",
  "same-file",
+ "search",
  "serde_json",
  "site",
  "termcolor",

Cargo.toml

@@ -44,6 +44,7 @@ site = { path = "components/site" }
 errors = { path = "components/errors" }
 front_matter = { path = "components/front_matter" }
 utils = { path = "components/utils" }
+search = { path = "components/search" }
 
 [dev-dependencies]
 same-file = "1"

components/utils/Cargo.toml

@@ -10,8 +10,7 @@ tera = "1"
 unicode-segmentation = "1.2"
 walkdir = "2"
 toml = "0.5"
-serde = "1"
+serde = { version = "1.0", features = ["derive"] }
-serde_derive = "1"
 slug = "0.1"
 percent-encoding = "2"
 filetime = "0.2.12"

components/utils/src/de.rs

@@ -1,5 +1,4 @@
 use serde::{Deserialize, Deserializer};
-use serde_derive::Deserialize;
 use tera::{Map, Value};
 
 /// Used as an attribute when we want to convert from TOML to a string date

components/utils/src/slugs.rs

@@ -1,4 +1,4 @@
-use serde_derive::{Deserialize, Serialize};
+use serde::{Deserialize, Serialize};
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]

docs/content/documentation/content/multilingual.md

@@ -21,7 +21,7 @@ If you want to use per-language taxonomies, ensure you set the `lang` field in t
 configuration.
 
 Note: By default, Chinese and Japanese search indexing is not included. You can include
-the support by building `zola` using `cargo build --features search/indexing-ja search/indexing-zh`.
+the support by building `zola` using `cargo build --features search/indexing-ja --features search/indexing-zh`.
 Please also note that, enabling Chinese indexing will increase the binary size by approximately
 5 MB while enabling Japanese indexing will increase the binary size by approximately 70 MB
 due to the incredibly large dictionaries.