From 1e1b85270f93b3bca624c99b478f3a9a23be2395 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Sat, 29 Sep 2012 23:40:46 -0400
Subject: Preliminary implementation of server-side forking (issue 137)

The fork mechanism clones the repository , access restrictions, and
other config options.  The app has been updated throughout to handle
personal repositories and to properly display origin/fork links.

In order to fork a repository the user account must have the #fork role,
the origin repository must permit forking, and the user account must
have standard clone permissions to the repository.

Because forking introduces a new user role no existing user accounts can
automatically begin forking a repository.  This is both a pro and a con.

Since the fork has the same access restrictions as the origin repository,
those who can access the origin may also access the fork.  This is intentional
to facilitate integration-manager workflow.  The fork owner does have the
power to completely change the access restrictions of his/her fork.
---
 src/com/gitblit/utils/StringUtils.java | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

(limited to 'src/com/gitblit/utils/StringUtils.java')

diff --git a/src/com/gitblit/utils/StringUtils.java b/src/com/gitblit/utils/StringUtils.java
index e4407901..07113388 100644
--- a/src/com/gitblit/utils/StringUtils.java
+++ b/src/com/gitblit/utils/StringUtils.java
@@ -367,7 +367,7 @@ public class StringUtils {
 	 * @return the first invalid character found or null if string is acceptable
 	 */
 	public static Character findInvalidCharacter(String name) {
-		char[] validChars = { '/', '.', '_', '-' };
+		char[] validChars = { '/', '.', '_', '-', '~' };
 		for (char c : name.toCharArray()) {
 			if (!Character.isLetterOrDigit(c)) {
 				boolean ok = false;
@@ -660,4 +660,31 @@ public class StringUtils {
 		}
 		return input;
 	}
+	
+	/**
+	 * Returns the first path element of a path string.  If no path separator is
+	 * found in the path, an empty string is returned. 
+	 * 
+	 * @param path
+	 * @return the first element in the path
+	 */
+	public static String getFirstPathElement(String path) {
+		if (path.indexOf('/') > -1) {
+			return path.substring(0, path.indexOf('/')).trim();
+		}
+		return "";
+	}
+	
+	/**
+	 * Returns the last path element of a path string
+	 * 
+	 * @param path
+	 * @return the last element in the path
+	 */
+	public static String getLastPathElement(String path) {
+		if (path.indexOf('/') > -1) {
+			return path.substring(path.lastIndexOf('/') + 1);
+		}
+		return path;
+	}
 }
\ No newline at end of file
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