fetch: add common helper _strip_leading_slashes()

Several fetcher need a way to strip leading slashes off a local path.
This helper-function consolidates all such occurances.

(Bitbake rev: 823a02185ed109054c6c1ae366221aaed0353f24)

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/fetch/__init__.py

@@ -607,6 +607,13 @@ class Fetch(object):
         and duplicate code execution)
         """
         return url
+    def _strip_leading_slashes(self, relpath):
+        """
+        Remove leading slash as os.path.join can't cope
+        """
+        while os.path.isabs(relpath):
+            relpath = relpath[1:]
+        return relpath
 
     def setUrls(self, urls):
         self.__urls = urls

bitbake/lib/bb/fetch/bzr.py

@@ -37,10 +37,7 @@ class Bzr(Fetch):
     def localpath (self, url, ud, d):
 
         # Create paths to bzr checkouts
-        relpath = ud.path
-        if relpath.startswith('/'):
-            # Remove leading slash as os.path.join can't cope
-            relpath = relpath[1:]
+        relpath = self._strip_leading_slashes(ud.path)
         ud.pkgdir = os.path.join(data.expand('${BZRDIR}', d), ud.host, relpath)
 
         revision = Fetch.srcrev_internal_helper(ud, d)

bitbake/lib/bb/fetch/hg.py

@@ -57,10 +57,7 @@ class Hg(Fetch):
         ud.module = ud.parm["module"]
 
         # Create paths to mercurial checkouts
-        relpath = ud.path
-        if relpath.startswith('/'):
-            # Remove leading slash as os.path.join can't cope
-            relpath = relpath[1:]
+        relpath = self._strip_leading_slashes(ud.path)
         ud.pkgdir = os.path.join(data.expand('${HGDIR}', d), ud.host, relpath)
         ud.moddir = os.path.join(ud.pkgdir, ud.module)
 

bitbake/lib/bb/fetch/osc.py

@@ -33,10 +33,7 @@ class Osc(Fetch):
         ud.module = ud.parm["module"]
 
         # Create paths to osc checkouts
-        relpath = ud.path
-        if relpath.startswith('/'):
-            # Remove leading slash as os.path.join can't cope
-            relpath = relpath[1:]
+        relpath = self._strip_leading_slashes(ud.path)
         ud.pkgdir = os.path.join(data.expand('${OSCDIR}', d), ud.host)
         ud.moddir = os.path.join(ud.pkgdir, relpath, ud.module)
 
@@ -73,10 +70,7 @@ class Osc(Fetch):
         if ud.revision:
             options.append("-r %s" % ud.revision)
 
-        coroot = ud.path
-        if coroot.startswith('/'):
-            # Remove leading slash as os.path.join can't cope
-            coroot= coroot[1:]
+        coroot = self._strip_leading_slashes(ud.path)
 
         if command is "fetch":
             osccmd = "%s %s co %s/%s %s" % (basecmd, config, coroot, ud.module, " ".join(options))

bitbake/lib/bb/fetch/perforce.py

@@ -113,8 +113,7 @@ class Perforce(Fetch):
         if which != -1:
             base = path[:which]
 
-        if base[0] == "/":
-            base = base[1:]
+        base = self._strip_leading_slashes(base)
 
         cset = Perforce.getcset(d, path, host, user, pswd, parm)
 

bitbake/lib/bb/fetch/svn.py

@@ -49,10 +49,7 @@ class Svn(Fetch):
         ud.module = ud.parm["module"]
 
         # Create paths to svn checkouts
-        relpath = ud.path
-        if relpath.startswith('/'):
-            # Remove leading slash as os.path.join can't cope
-            relpath = relpath[1:]
+        relpath = self._strip_leading_slashes(ud.path)
         ud.pkgdir = os.path.join(data.expand('${SVNDIR}', d), ud.host, relpath)
         ud.moddir = os.path.join(ud.pkgdir, ud.module)