1 files changed, 77 insertions, 0 deletions
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsFiles.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsFiles.java
new file mode 100644
index 0000000000..741e02a881
--- /dev/null
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsFiles.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2017, Matthias Sohn <matthias.sohn@sap.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.pgm;
+
+import static java.util.function.Predicate.isEqual;
+import static org.eclipse.jgit.lib.FileMode.EXECUTABLE_FILE;
+import static org.eclipse.jgit.lib.FileMode.GITLINK;
+import static org.eclipse.jgit.lib.FileMode.REGULAR_FILE;
+import static org.eclipse.jgit.lib.FileMode.SYMLINK;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.eclipse.jgit.dircache.DirCacheIterator;
+import org.eclipse.jgit.errors.RevisionSyntaxException;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.FileMode;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.treewalk.CanonicalTreeParser;
+import org.eclipse.jgit.treewalk.TreeWalk;
+import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
+import org.eclipse.jgit.util.QuotedString;
+import org.kohsuke.args4j.Option;
+import org.kohsuke.args4j.spi.StopOptionHandler;
+
+@Command(common = true, usage = "usage_LsFiles")
+class LsFiles extends TextBuiltin {
+
+	@Option(name = "--", metaVar = "metaVar_paths", handler = StopOptionHandler.class)
+	private List<String> paths = new ArrayList<>();
+
+	@Override
+	protected void run() {
+		try (RevWalk rw = new RevWalk(db);
+				TreeWalk tw = new TreeWalk(db)) {
+			final ObjectId head = db.resolve(Constants.HEAD);
+			if (head == null) {
+				return;
+			}
+			RevCommit c = rw.parseCommit(head);
+			CanonicalTreeParser p = new CanonicalTreeParser();
+			p.reset(rw.getObjectReader(), c.getTree());
+			tw.reset(); // drop the first empty tree, which we do not need here
+			if (!paths.isEmpty()) {
+				tw.setFilter(PathFilterGroup.createFromStrings(paths));
+			}
+			tw.addTree(p);
+			tw.addTree(new DirCacheIterator(db.readDirCache()));
+			tw.setRecursive(true);
+			while (tw.next()) {
+				if (filterFileMode(tw, EXECUTABLE_FILE, GITLINK, REGULAR_FILE,
+						SYMLINK)) {
+					outw.println(
+							QuotedString.GIT_PATH.quote(tw.getPathString()));
+				}
+			}
+		} catch (RevisionSyntaxException | IOException e) {
+			throw die(e.getMessage(), e);
+		}
+	}
+
+	private boolean filterFileMode(TreeWalk tw, FileMode... modes) {
+		return Arrays.stream(modes).anyMatch(isEqual(tw.getFileMode(0))
+				.or(isEqual(tw.getFileMode(1))));
+	}
+}