fetch2: Correct the clean() mechanism for the fetcher2 code

This create a clean() method in each of the fetcher modules
and correctly cleans the .done stamp file and lock files

Signed-off-by: Saul Wold <sgw@linux.intel.com>

bitbake/lib/bb/fetch/cvs.py

@@ -170,3 +170,14 @@ class Cvs(Fetch):
             except OSError:
                 pass
             raise FetchError(ud.module)
+
+    def clean(self, ud, d):
+        """ clean the git directory """
+
+        pkg = data.expand('${PN}', d)
+        localdata = data.createCopy(d)
+        data.setVar('OVERRIDES', "cvs:%s" % data.getVar('OVERRIDES', localdata), localdata)
+        data.update_data(localdata)
+        pkgdir = os.path.join(data.expand('${CVSDIR}', localdata), pkg)
+        bb.utils.remove(pkgdir, True)
+        bb.utils.remove(ud.localpath)

bitbake/lib/bb/fetch2/__init__.py

@@ -491,6 +491,7 @@ class FetchData(object):
     """
     def __init__(self, url, d):
         # localpath is the location of a downloaded result. If not set, the file is local.
+        self.donestamp = None
         self.localfile = ""
         self.localpath = None
         self.lockfile = None
@@ -717,6 +718,12 @@ class FetchMethod(object):
 
         return
 
+    def clean(self, urldata, d):
+       """
+       Clean any existing full or partial download
+       """
+       bb.utils.remove(urldata.localpath)
+
     def try_premirror(self, url, urldata, d):
         """
         Should premirrors be used?
@@ -958,6 +965,33 @@ class Fetch(object):
             if ud.lockfile:
                 bb.utils.unlockfile(lf)
 
+    def clean(self, urls = []):
+        """
+        Clean files that the fetcher gets or places
+        """
+
+        if len(urls) == 0:
+            urls = self.urls
+
+        for url in urls:
+            if url not in self.ud:
+                self.ud[url] = FetchData(url, d)
+            ud = self.ud[url]
+            ud.setup_localpath(self.d)
+
+            if not ud.localfile or self.localpath is None:
+                continue
+
+            if ud.lockfile:
+                lf = bb.utils.lockfile(ud.lockfile)
+
+            ud.method.clean(ud, self.d)
+            if ud.donestamp:
+                bb.utils.remove(ud.donestamp)
+
+            if ud.lockfile:
+                bb.utils.unlockfile(lf)
+
 from . import cvs
 from . import git
 from . import local

bitbake/lib/bb/fetch2/cvs.py

@@ -167,3 +167,15 @@ class Cvs(FetchMethod):
 
         runfetchcmd(cmd, d, cleanup = [ud.localpath])
 
+    def clean(self, ud, d):
+        """ Clean CVS Files and tarballs """
+        
+        pkg = data.expand('${PN}', d)
+        localdata = data.createCopy(d)
+        data.setVar('OVERRIDES', "cvs:%s" % data.getVar('OVERRIDES', localdata), localdata)
+        data.update_data(localdata)
+        pkgdir = os.path.join(data.expand('${CVSDIR}', localdata), pkg)
+
+        bb.utils.remove(pkgdir, True)
+        bb.utils.remove(ud.localpath)
+

bitbake/lib/bb/fetch2/git.py

@@ -172,6 +172,12 @@ class Git(FetchMethod):
             runfetchcmd("%s checkout-index -q -f -a" % ud.basecmd, d)
         return True
 
+    def clean(self, ud, d):
+        """ clean the git directory """
+
+        bb.utils.remove(ud.localpath, True)
+        bb.utils.remove(ud.fullmirror)
+
     def supports_srcrev(self):
         return True
 

bitbake/lib/bb/fetch2/local.py

@@ -74,3 +74,7 @@ class Local(FetchMethod):
         if os.path.exists(urldata.localpath):
             return True
         return False
+
+    def clean(self, urldata, d):
+        return
+

bitbake/lib/bb/fetch2/svn.py

@@ -138,6 +138,13 @@ class Svn(FetchMethod):
         # tar them up to a defined filename
         runfetchcmd("tar %s -czf %s %s" % (tar_flags, ud.localpath, ud.module), d, cleanup = [ud.localpath])
 
+    def clean(self, ud, d):
+        """ Clean SVN specific files and dirs """
+
+        bb.utils.remove(ud.localpath)
+        bb.utils.remove(ud.moddir, True)
+        
+
     def supports_srcrev(self):
         return True
 

meta/classes/base.bbclass

@@ -464,24 +464,18 @@ addtask cleanall after do_clean
 python do_cleanall() {
         sstate_clean_cachefiles(d)
 
+        src_uri = (bb.data.getVar('SRC_URI', d, True) or "").split()
+        if len(src_uri) == 0:
+            return
+
 	localdata = bb.data.createCopy(d)
 	bb.data.update_data(localdata)
 
-	dl_dir = bb.data.getVar('DL_DIR', localdata, True)
-	dl_dir = os.path.realpath(dl_dir)
-
-	src_uri = (bb.data.getVar('SRC_URI', localdata, True) or "").split()
-	if len(src_uri) == 0:
-		return
-        fetcher = bb.fetch2.Fetch(src_uri, localdata)
-	for url in src_uri:
-                local = fetcher.localpath(url)
-		if local is None:
-			continue
-		local = os.path.realpath(local)
-                if local.startswith(dl_dir):
-			bb.note("Removing %s*" % local)
-			oe.path.remove(local + "*")
+        try:
+            fetcher = bb.fetch2.Fetch(src_uri, localdata)
+            fetcher.clean()
+        except bb.fetch2.BBFetchException, e:
+            raise bb.build.FuncFailed(e)
 }
 do_cleanall[nostamp] = "1"