Handle the tilde notation (~user) of git url

When the path is prefixed with ~ the URI parser thought about this
as /~. Strip the / if the next character is the tilde.

Bug: 307017
Change-Id: I58203e5617956b46d83e8987d1f8042beddffac3
Signed-off-by: Robin Rosenberg <robin.rosenberg@dewire.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/URIishTest.java

@@ -250,6 +250,53 @@ public class URIishTest extends TestCase {
 		assertEquals(u, new URIish(str));
 	}
 
+	public void testGitWithUserHome() throws Exception {
+		final String str = "git://example.com/~some/p ath";
+		URIish u = new URIish(str);
+		assertEquals("git", u.getScheme());
+		assertTrue(u.isRemote());
+		assertEquals("~some/p ath", u.getPath());
+		assertEquals("example.com", u.getHost());
+		assertNull(u.getUser());
+		assertNull(u.getPass());
+		assertEquals(-1, u.getPort());
+		assertEquals(str, u.toPrivateString());
+		assertEquals(u.setPass(null).toPrivateString(), u.toString());
+		assertEquals(u, new URIish(str));
+	}
+
+	/* Resolving ~user is beyond standard Java API and need more support
+	public void testFileWithUserHome() throws Exception {
+		final String str = "~some/p ath";
+		URIish u = new URIish(str);
+		assertEquals("git", u.getScheme());
+		assertTrue(u.isRemote());
+		assertEquals("~some/p ath", u.getPath());
+		assertEquals("example.com", u.getHost());
+		assertNull(u.getUser());
+		assertNull(u.getPass());
+		assertEquals(-1, u.getPort());
+		assertEquals(str, u.toPrivateString());
+		assertEquals(u.setPass(null).toPrivateString(), u.toString());
+		assertEquals(u, new URIish(str));
+	}
+	*/
+
+	public void testFileWithNoneUserHomeWithTilde() throws Exception {
+		final String str = "/~some/p ath";
+		URIish u = new URIish(str);
+		assertNull(u.getScheme());
+		assertFalse(u.isRemote());
+		assertEquals("/~some/p ath", u.getPath());
+		assertNull(u.getHost());
+		assertNull(u.getUser());
+		assertNull(u.getPass());
+		assertEquals(-1, u.getPort());
+		assertEquals(str, u.toPrivateString());
+		assertEquals(u.setPass(null).toPrivateString(), u.toString());
+		assertEquals(u, new URIish(str));
+	}
+
 	public void testGetNullHumanishName() {
 		try {
 			new URIish().getHumanishName();

org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java

@@ -104,6 +104,9 @@ public class URIish implements Serializable {
 			&& (path.charAt(1) >= 'A' && path.charAt(1) <= 'Z'
 			 || path.charAt(1) >= 'a' && path.charAt(1) <= 'z'))
 				path = path.substring(1);
+			else if (scheme != null && path.length() >= 2
+					&& path.charAt(0) == '/' && path.charAt(1) == '~')
+				path = path.substring(1);
 		} else {
 			matcher = SCP_URI.matcher(s);
 			if (matcher.matches()) {