Update mercurial to 2.1.

dev-vcs/mercurial/mercurial-2.1.bep

@@ -0,0 +1,30 @@
+DESCRIPTION="Mercurial is a free, distributed source control management tool" 
+HOMEPAGE="http://mercurial.selenic.com/" 
+SRC_URI="http://mercurial.selenic.com/release/mercurial-2.1.tar.gz"
+CHECKSUM_MD5="d2ca44f8d0129ab50639143af99d9363"
+REVISION="1"
+STATUS_HAIKU="stable"
+DEPEND="dev-lang/python >= 2.3"
+BUILD {
+	cd mercurial-2.1
+	python setup.py build --force
+}
+
+INSTALL {
+	cd mercurial-2.1
+	if [ -n "${DESTDIR}" ];then
+		python setup.py install --root="${DESTDIR}" --prefix="$(finddir B_COMMON_DIRECTORY)" --force
+	else
+		python setup.py install --prefix="$(finddir B_COMMON_DIRECTORY)" --force
+	fi
+}
+
+TEST {
+	cd mercurial-2.1/tests
+	shopt -s extglob
+	sed -i 's,/usr/bin/env,/bin/env,' !(blacklists|bundles|gpg|svn)
+	python run-tests.py
+}
+
+LICENSE="GNU GPL v2"
+COPYRIGHT="2005-2012 Matt Mackall et al."