fetch2/git: improve readability of method need_update

To improve the readability we extract the different scenarios of why
the clonedir needs an update.

Signed-off-by: Urs Fässler <urs.fassler@bbv.ch>
Signed-off-by: Pascal Bach <pascal.bach@siemens.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 9 insertions, 4 deletions

diff --git a/lib/bb/fetch2/git.py b/lib/bb/fetch2/git.py
index 35da14d71..e46ea4893 100644
--- a/lib/bb/fetch2/git.py
+++ b/lib/bb/fetch2/git.py
@@ -299,17 +299,22 @@ class Git(FetchMethod):
         return ud.clonedir
 
     def need_update(self, ud, d):
+        return self.clonedir_need_update(ud, d) or self.shallow_tarball_need_update(ud) or self.tarball_need_update(ud)
+
+    def clonedir_need_update(self, ud, d):
         if not os.path.exists(ud.clonedir):
             return True
         for name in ud.names:
             if not self._contains_ref(ud, d, name, ud.clonedir):
                 return True
-        if ud.shallow and ud.write_shallow_tarballs and not os.path.exists(ud.fullshallow):
-            return True
-        if ud.write_tarballs and not os.path.exists(ud.fullmirror):
-            return True
         return False
 
+    def shallow_tarball_need_update(self, ud):
+        return ud.shallow and ud.write_shallow_tarballs and not os.path.exists(ud.fullshallow)
+
+    def tarball_need_update(self, ud):
+        return ud.write_tarballs and not os.path.exists(ud.fullmirror)
+
     def try_premirror(self, ud, d):
         # If we don't do this, updating an existing checkout with only premirrors
         # is not possible