From f432f1b01069c2083d420a2accde169f2dafdfab Mon Sep 17 00:00:00 2001
From: Richard Purdie <richard.purdie@linuxfoundation.org>
Date: Tue, 8 Mar 2011 11:23:34 -0800
Subject: bitbake/fetch2: Allow local file:// urls to be found on mirrors

With the current implementation, file:// urls as used by sstate don't access the
mirror code, breaking sstate mirror support. This change enables the usual
mirror handling. To do this, we remove the localfile special case, using the basename
paramemter instead. We also ensure the downloads directory is checked for files.

The drawback of this change is that file urls containing "*" globing require special
casing in the core.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 bitbake/lib/bb/fetch2/__init__.py | 15 ++++++---------
 bitbake/lib/bb/fetch2/local.py    | 13 +++++++++++++
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/bitbake/lib/bb/fetch2/__init__.py b/bitbake/lib/bb/fetch2/__init__.py
index d6ad3bb99a..9fec705ad6 100644
--- a/bitbake/lib/bb/fetch2/__init__.py
+++ b/bitbake/lib/bb/fetch2/__init__.py
@@ -525,6 +525,7 @@ class FetchData(object):
         self.localpath = None
         self.lockfile = None
         self.mirrortarball = None
+        self.basename = None
         (self.type, self.host, self.path, self.user, self.pswd, self.parm) = decodeurl(data.expand(url, d))
         self.date = self.getSRCDate(d)
         self.url = url
@@ -573,11 +574,10 @@ class FetchData(object):
         elif self.localfile:
             self.localpath = self.method.localpath(self.url, self, d)
 
-        if self.localfile and self.localpath:
-            # Note: These files should always be in DL_DIR whereas localpath may not be.
-            basepath = bb.data.expand("${DL_DIR}/%s" % os.path.basename(self.localpath), d)
-            self.donestamp = basepath + '.done'
-            self.lockfile = basepath + '.lock'
+        # Note: These files should always be in DL_DIR whereas localpath may not be.
+        basepath = bb.data.expand("${DL_DIR}/%s" % os.path.basename(self.localpath or self.basename), d)
+        self.donestamp = basepath + '.done'
+        self.lockfile = basepath + '.lock'
 
     def setup_localpath(self, d):
         if not self.localpath:
@@ -913,9 +913,6 @@ class Fetch(object):
             m = ud.method
             localpath = ""
 
-            if not ud.localfile:
-                continue
-
             lf = bb.utils.lockfile(ud.lockfile)
 
             try:
@@ -951,7 +948,7 @@ class Fetch(object):
                         mirrors = mirror_from_string(bb.data.getVar('MIRRORS', self.d, True))
                         localpath = try_mirrors (self.d, ud, mirrors)
 
-                if not localpath or not os.path.exists(localpath):
+                if not localpath or ((not os.path.exists(localpath)) and localpath.find("*") == -1):
                     raise FetchError("Unable to fetch URL %s from any source." % u, u)
 
                 if os.path.exists(ud.donestamp):
diff --git a/bitbake/lib/bb/fetch2/local.py b/bitbake/lib/bb/fetch2/local.py
index 77a296ec67..ed9a047d8d 100644
--- a/bitbake/lib/bb/fetch2/local.py
+++ b/bitbake/lib/bb/fetch2/local.py
@@ -40,6 +40,7 @@ class Local(FetchMethod):
 
     def urldata_init(self, ud, d):
         # We don't set localfile as for this fetcher the file is already local!
+        ud.basename = os.path.basename(ud.url.split("://")[1].split(";")[0])
         return
 
     def localpath(self, url, urldata, d):
@@ -49,6 +50,9 @@ class Local(FetchMethod):
         path = url.split("://")[1]
         path = path.split(";")[0]
         newpath = path
+        dldirfile = os.path.join(data.getVar("DL_DIR", d, True), os.path.basename(path))
+        if os.path.exists(dldirfile):
+            return dldirfile
         if path[0] != "/":
             filespath = data.getVar('FILESPATH', d, True)
             if filespath:
@@ -57,8 +61,17 @@ class Local(FetchMethod):
                 filesdir = data.getVar('FILESDIR', d, True)
                 if filesdir:
                     newpath = os.path.join(filesdir, path)
+        if not os.path.exists(newpath) and path.find("*") == -1:
+            return dldirfile
         return newpath
 
+    def need_update(self, url, ud, d):
+        if url.find("*") == -1:
+            return False
+        if os.path.exists(ud.localpath):
+            return False
+        return True
+
     def download(self, url, urldata, d):
         """Fetch urls (no-op for Local method)"""
         # no need to fetch local files, we'll deal with them in place.
-- 
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