From 7117a4458b0bf25dbe380f01e98e236ec3856e26 Mon Sep 17 00:00:00 2001
From: Joshua Lock <josh@linux.intel.com>
Date: Wed, 8 Sep 2010 14:03:41 +0100
Subject: bitbake/fetch: add try_premirror method and special case git fetcher

Add a new method, try_premirror, to the Fetch object which checks to see
whether the file needs to be fetched from a premirror.
Override this in the Git fetcher to only require a pre-mirror fetch when the
clone directory does not exist.

Fixes [BUGID 290]

Signed-off-by: Joshua Lock <josh@linux.intel.com>
---
 bitbake/lib/bb/fetch/__init__.py | 16 ++++++++++++++--
 bitbake/lib/bb/fetch/git.py      |  6 ++++++
 2 files changed, 20 insertions(+), 2 deletions(-)

(limited to 'bitbake/lib/bb/fetch')

diff --git a/bitbake/lib/bb/fetch/__init__.py b/bitbake/lib/bb/fetch/__init__.py
index 8d7ec8036c..2b0b288df0 100644
--- a/bitbake/lib/bb/fetch/__init__.py
+++ b/bitbake/lib/bb/fetch/__init__.py
@@ -222,6 +222,18 @@ def init(urls, d, setup = True):
     urldata_cache[fn] = urldata
     return urldata
 
+def try_premirror(u, ud, d):
+    """
+    Should we try premirrors for this url, u?
+    We should if forcefetch is set or the localfile and md5 don't exist
+    """
+    if ud.method.forcefetch(u, ud, d):
+        return True
+    elif os.path.exists(ud.md5) and os.path.exists(ud.localfile):
+        return False
+    else:
+        return True
+
 def go(d, urls = None):
     """
     Fetch all urls
@@ -235,7 +247,7 @@ def go(d, urls = None):
         ud = urldata[u]
         m = ud.method
         if ud.localfile:
-            if not m.forcefetch(u, ud, d) and os.path.exists(ud.md5) and os.path.exists(ud.localfile):
+            if not m.try_premirror(u, ud, d):
                 # File already present along with md5 stamp file
                 # Touch md5 file to show activity
                 try:
@@ -245,7 +257,7 @@ def go(d, urls = None):
                     pass
                 continue
             lf = bb.utils.lockfile(ud.lockfile)
-            if not m.forcefetch(u, ud, d) and os.path.exists(ud.md5) and os.path.exists(ud.localfile):
+            if not m.try_premirror(u, ud, d):
                 # If someone else fetched this before we got the lock,
                 # notice and don't try again
                 try:
diff --git a/bitbake/lib/bb/fetch/git.py b/bitbake/lib/bb/fetch/git.py
index b6126cbe91..938e0c08ba 100644
--- a/bitbake/lib/bb/fetch/git.py
+++ b/bitbake/lib/bb/fetch/git.py
@@ -90,6 +90,12 @@ class Git(Fetch):
             return True
         return False
 
+    def try_premirror(self, d, ud):
+        if os.path.exists(ud.clonedir):
+            return False
+
+        return True
+
     def go(self, loc, ud, d):
         """Fetch url"""
 
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