From 3298f69875a66fde8832eeda28f13dc831d51d14 Mon Sep 17 00:00:00 2001
From: jiacai2050 <dev@liujiacai.net>
Date: Wed, 3 Jan 2024 19:55:10 +0800
Subject: [PATCH] add last-changed preprocessor

---
 .github/workflows/pages.yml | 4 +++-
 book.toml                   | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 60d0788..4ae0808 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -38,7 +38,9 @@ jobs:
         uses: actions/configure-pages@v4
 
       - run: |
-          cargo install mdbook-last-changed
+          if ! command -v mdbook-last-changed; then
+            cargo install mdbook-last-changed
+          fi
           mdbook build
 
       - name: Upload artifact
diff --git a/book.toml b/book.toml
index 23604bf..9a3985a 100644
--- a/book.toml
+++ b/book.toml
@@ -19,3 +19,7 @@ page-break = true # insert page-break after each chapter
 
 [output.html.search]
 enable = true
+
+[preprocessor.last-changed]
+command = "mdbook-last-changed"
+renderer = ["html"]
\ No newline at end of file