it works

Server.rb

@@ -4,10 +4,32 @@ require "sinatra"
 require File.dirname(__FILE__) + "/Git.rb"
 require File.dirname(__FILE__) + "/Commands.rb"
 
-post '/command' do
-	
+# 由于卡图生成时间太长，因此应该收到请求之后立即给一个 2xx 的回复，以防调用的那边认为网络超时而进行不必要的重新请求等操作。
+# 如果在一次生成完毕之前，又进来了多个调用，按如下方式处理：
+# 1. 如果当前是空闲中，立即启动生成
+# 2. 如果当前正在生成中，做一个【存在队列中的请求】的标记
+# 3. 当生成完毕之后，如果存在队列标记，重新启动生成
+
+def generate
+    system('./generate.sh')
+    if settings.status == :queued
+        settings.status = :running 
+        generate
+    else
+        settings.status = :idle
+    end
+end
+
+configure do
+    set :status, :idle
 end
 
 post '/hook' do
-	system('./generate.sh')
+    status 204
+    if settings.status == :idle
+        settings.status = :running 
+        Thread.new { generate }
+    else
+        settings.status = :queued
+    end
 end

generate.sh

@@ -26,14 +26,17 @@ for locale in locales/*.yml; do
     git_pull ygopro-images ${locale}
     rm -rf ygopro-images-${locale} mse-set
     ./generate.rb ${locale}
+    if [ ! -f mse-sets/data0-${locale}.mse-set ]; then # skip if no cards updated.
+        continue
+    fi
     for set in mse-sets/data*-${locale}.mse-set; do
         echo ${set}
         wine32 magicseteditor/mse.com --export "${set}" "ygopro-images-${locale}/{card.gamecode}.png"
     done
     for image in ygopro-images-${locale}/*.png; do
-        output=$(basename "${image}" .png | sed 's/^0*//')
-        convert "${image}" -colorspace RGB -resize 177x254 -colorspace sRGB "ygopro-images/${output}.jpg"
-        convert "${image}" -colorspace RGB -resize 44x64 -colorspace sRGB "ygopro-images/thumbnail/${output}.jpg"
+        id=$(basename "${image}" .png)
+        convert "${image}" -colorspace RGB -resize 177x254 -colorspace sRGB "ygopro-images/${id}.jpg"
+        convert "${image}" -colorspace RGB -resize 44x64 -colorspace sRGB "ygopro-images/thumbnail/${id}.jpg"
     done
     git_push ygopro-images
 done