Add more terminals plus various small improvements [stage]

core/src/main/java/io/xpipe/core/process/CommandBuilder.java

@@ -17,6 +17,26 @@ public class CommandBuilder {
     private final boolean noQuoting;
     private final StringBuilder builder = new StringBuilder();
 
+    public CommandBuilder add(String... s) {
+        for (String s1 : s) {
+            add(s1);
+        }
+        return this;
+    }
+
+    public CommandBuilder addQuoted(String s) {
+        if (!builder.isEmpty()) {
+            builder.append(' ');
+        }
+
+        if (noQuoting) {
+            throw new IllegalArgumentException("No quoting rule conflicts with spaces an argument");
+        }
+
+        builder.append("\"").append(s).append("\"");
+        return this;
+    }
+
     public CommandBuilder add(String s) {
         if (!builder.isEmpty()) {
             builder.append(' ');

core/src/main/java/io/xpipe/core/process/ShellDialect.java

@@ -147,6 +147,8 @@ public interface ShellDialect {
 
     CommandControl createFileExistsCommand(ShellControl sc, String file);
 
+    CommandControl symbolicLink(ShellControl sc, String linkFile, String targetFile);
+
     String getFileTouchCommand(String file);
 
     String getWhichCommand(String executable);

core/src/main/java/io/xpipe/core/store/ConnectionFileSystem.java

@@ -134,7 +134,14 @@ public class ConnectionFileSystem implements FileSystem {
     public void touch(String file) throws Exception {
         try (var pc = shellControl
                 .command(proc -> proc.getShellDialect().getFileTouchCommand(file))
-                .complex()
+                .start()) {
+            pc.discardOrThrow();
+        }
+    }
+
+    @Override
+    public void symbolicLink(String linkFile, String targetFile) throws Exception {
+        try (var pc = shellControl.getShellDialect().symbolicLink(shellControl,linkFile, targetFile)
                 .start()) {
             pc.discardOrThrow();
         }

core/src/main/java/io/xpipe/core/store/FileSystem.java

@@ -108,6 +108,8 @@ public interface FileSystem extends Closeable, AutoCloseable {
 
     void touch(String file) throws Exception;
 
+    void symbolicLink(String linkFile, String targetFile) throws Exception;
+
     boolean directoryExists(String file) throws Exception;
 
     void directoryAccessible(String file) throws Exception;