Build ant

build.xml

@@ -86,70 +86,74 @@
     <fail message="Git is required." unless="git.present"/>
 
     <echo message="🔁 Attempting history recovery..."/>
-    <!-- Получение всех ревизий в порядке от новой к старой -->
+
+    <!-- Получаем список ревизий -->
     <exec executable="git" output="revs.txt" failonerror="true">
       <arg value="rev-list"/>
       <arg value="HEAD"/>
     </exec>
 
-    <!-- Загружаем список ревизий -->
-    <loadfile property="revs" srcFile="revs.txt"/>
-    <script language="javascript"><![CDATA[
-    var revs = project.getProperty("revs").split("\n");
-    var File = java.io.File;
-    var BufferedWriter = java.io.BufferedWriter;
-    var FileWriter = java.io.FileWriter;
+    <!-- Читаем файл построчно -->
+    <loadfile property="rev.lines" srcFile="revs.txt"/>
 
-    var successRev = null;
-    var failedRev = null;
+    <propertyregex property="rev.count" input="${rev.lines}" regexp="(\n|$)" replace="x" casesensitive="false"/>
+    <echo message="📦 Starting rollback through revisions..."/>
 
-    for (var i = 0; i < revs.length; i++) {
-      var rev = revs[i].trim();
-      if (!rev) continue;
+    <property name="last.good" value=""/>
+    <property name="next.bad" value=""/>
 
-      project.log("🔄 Checking out: " + rev);
-      var checkout = project.createTask("exec");
-      checkout.setExecutable("git");
-      checkout.setFailonerror(true);
-      checkout.createArg().setValue("checkout");
-      checkout.createArg().setValue(rev);
-      try {
-        checkout.execute();
-      } catch (e) {
-        project.log("❌ Failed to checkout " + rev);
-        continue;
-      }
+    <foreach list="${rev.lines}" param="rev" target="try-compile">
+      <sequential>
+        <echo message="⏪ Trying revision: @{rev}"/>
+      </sequential>
+    </foreach>
 
-      try {
-        project.executeTarget("clean");
-        project.executeTarget("compile");
-        successRev = rev;
-        if (i > 0) failedRev = revs[i - 1];
-        project.log("✅ Successfully compiled: " + rev);
-        break;
-      } catch (e) {
-        project.log("❌ Failed to compile: " + rev);
-      }
-    }
+    <condition property="found.good">
+      <isset property="last.good"/>
+    </condition>
 
-    if (successRev == null) {
-      project.log("🛑 No working revision found.");
-    } else if (failedRev != null) {
-      project.log("📄 Generating diff between " + failedRev + " and " + successRev);
+    <fail message="🛑 No working revision found!" unless="found.good"/>
 
-      var diffTask = project.createTask("exec");
-      diffTask.setExecutable("git");
-      diffTask.setFailonerror(false);
-      diffTask.createArg().setValue("diff");
-      diffTask.createArg().setValue(failedRev);
-      diffTask.createArg().setValue(successRev);
-      diffTask.setOutput(new File("diff.patch"));
-      diffTask.execute();
+    <echo message="✅ Working revision found: ${last.good}"/>
+    <echo message="📄 Diffing against: ${next.bad}"/>
 
-      project.log("📝 Diff written to diff.patch");
-    } else {
-      project.log("ℹ️ No previous failed revision to diff from.");
-    }
-  ]]></script>
+    <exec executable="git">
+      <arg value="diff"/>
+      <arg value="${next.bad}"/>
+      <arg value="${last.good}"/>
+      <redirector output="diff.patch"/>
+    </exec>
+
+    <echo message="📝 Diff saved to diff.patch"/>
+  </target>
+
+  <target name="try-compile" unless="found.good">
+    <property name="current.rev" value="@{rev}"/>
+    <exec executable="git" failonerror="true">
+      <arg value="checkout"/>
+      <arg value="${current.rev}"/>
+    </exec>
+    <trycatch property="compile.success">
+      <try>
+        <antcall target="clean"/>
+        <antcall target="compile"/>
+      </try>
+      <catch>
+        <echo message="❌ Failed to compile at ${current.rev}"/>
+      </catch>
+    </trycatch>
+    <condition property="compile.success">
+      <available file="${build.dir}"/>
+    </condition>
+    <if>
+      <isset property="compile.success"/>
+      <then>
+        <property name="last.good" value="${current.rev}"/>
+        <property name="found.good" value="true"/>
+      </then>
+      <else>
+        <property name="next.bad" value="${current.rev}"/>
+      </else>
+    </if>
   </target>
 </project>