add version.txt to skip checking and releasing

Author: wkgcass

src/main/java/io/vproxy/jdkman/Main.java

@@ -16,7 +16,7 @@
 import java.util.*;
 
 public class Main {
-    private static final String VERSION = "1.0.2";
+    public static final String VERSION = "1.0.2";
     private static final String HELP_STR = """
         Usage:
             jdkman [action] [options]

src/main/java/io/vproxy/jdkman/action/InitAction.java

@@ -4,6 +4,7 @@
 import io.vproxy.base.util.Logger;
 import io.vproxy.base.util.OS;
 import io.vproxy.base.util.Utils;
+import io.vproxy.jdkman.Main;
 import io.vproxy.jdkman.entity.JDKManConfig;
 import io.vproxy.jdkman.ex.ErrorResult;
 import io.vproxy.jdkman.res.ResConsts;
@@ -42,6 +43,7 @@ public class InitAction implements Action {
             "javaws", "jcontrol", "jweblauncher"
         ));
     }};
+    private static final String VERSION_FILE = "version.txt";
 
     @Override
     public String validate(String[] options) {
@@ -70,6 +72,14 @@ public boolean execute(JDKManConfig config, String[] options) throws Exception {
         }
 
         var jdkmanScriptDir = jdkmanScriptPathFile();
+        var versionFilePath = Path.of(jdkmanScriptDir.getAbsolutePath(), VERSION_FILE);
+        boolean versionMatches = false;
+        if (versionFilePath.toFile().isFile()) {
+            var version = Files.readString(versionFilePath).trim();
+            if (version.equals(Main.VERSION)) {
+                versionMatches = true;
+            }
+        }
 
         for (var exe : EXECUTABLES) {
             var suffix = "";
@@ -83,6 +93,10 @@ public boolean execute(JDKManConfig config, String[] options) throws Exception {
                     Logger.error(LogType.INVALID_EXTERNAL_DATA, STR."\{file} is not a valid file");
                     continue;
                 }
+                if (versionMatches) {
+                    // no need to release the file because version matches
+                    continue;
+                }
                 if (OS.isWindows()) {
                     // check file md5 for windows, because windows doesn't allow files to be deleted while they are running
                     var md5 = io.vproxy.jdkman.util.Utils.fileMD5(file);
@@ -113,6 +127,8 @@ public boolean execute(JDKManConfig config, String[] options) throws Exception {
             }
         }
 
+        Files.writeString(versionFilePath, Main.VERSION);
+
         var scriptToEval = getScriptToEval(jdkmanScriptDir, shellType);
         System.out.println(scriptToEval.trim());