# HG changeset patch
# User Boris Feld <boris.feld@octobus.net>
# Date 1534386034 -7200
# Node ID 6f4b8f607a311a9bf2129753b738be9430515fe3
# Parent  fd0150a3c2fedaa63fb40a48797772f43d2507d6
revlogdeltas: move special cases around raw revisions in finddeltainfo

The method already contains logic for no-diff cases. Having everything in the
same place is more consistent and unlocks other code improvements.

diff -r fd0150a3c2fe -r 6f4b8f607a31 mercurial/revlog.py
--- a/mercurial/revlog.py	Wed Aug 29 09:41:04 2018 -0700
+++ b/mercurial/revlog.py	Thu Aug 16 04:20:34 2018 +0200
@@ -1965,13 +1965,7 @@
 
         revinfo = _revisioninfo(node, p1, p2, btext, textlen, cachedelta, flags)
 
-        # no delta for flag processor revision (see "candelta" for why)
-        # not calling candelta since only one revision needs test, also to
-        # avoid overhead fetching flags again.
-        if flags & REVIDX_RAWTEXT_CHANGING_FLAGS:
-            deltainfo = None
-        else:
-            deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
+        deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
 
         if deltainfo is not None:
             base = deltainfo.base
diff -r fd0150a3c2fe -r 6f4b8f607a31 mercurial/revlogutils/deltas.py
--- a/mercurial/revlogutils/deltas.py	Wed Aug 29 09:41:04 2018 -0700
+++ b/mercurial/revlogutils/deltas.py	Thu Aug 16 04:20:34 2018 +0200
@@ -703,6 +703,12 @@
         if not revinfo.textlen:
             return None # empty file do not need delta
 
+        # no delta for flag processor revision (see "candelta" for why)
+        # not calling candelta since only one revision needs test, also to
+        # avoid overhead fetching flags again.
+        if revinfo.flags & REVIDX_RAWTEXT_CHANGING_FLAGS:
+            return None
+
         cachedelta = revinfo.cachedelta
         p1 = revinfo.p1
         p2 = revinfo.p2