From: Giuseppe Scrivano <gscrivan@redhat.com>
Date: Tue, 24 Feb 2015 11:16:46 +0000 (+0100)
Subject: static-delta: increase threshold for rollsum to 50%
X-Git-Tag: archive/raspbian/2022.1-3+rpi1~1^2~888
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=439e1c1b9750ef5c5b4b09783ad453543217bcb5;p=ostree.git

static-delta: increase threshold for rollsum to 50%

It favours bsdiff usage for files that are not very rollsum friendly.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
---

diff --git a/src/libostree/ostree-repo-static-delta-compilation.c b/src/libostree/ostree-repo-static-delta-compilation.c
index 968b4601..a4e7ae42 100644
--- a/src/libostree/ostree-repo-static-delta-compilation.c
+++ b/src/libostree/ostree-repo-static-delta-compilation.c
@@ -568,10 +568,10 @@ try_content_rollsum (OstreeRepo                       *repo,
 
   { guint match_ratio = (matches->bufmatches*100)/matches->total;
 
-    /* Only proceed if the file contains (arbitrary) more than 25% of
+    /* Only proceed if the file contains (arbitrary) more than 50% of
      * the previous chunks.
      */
-    if (match_ratio < 25)
+    if (match_ratio < 50)
       {
         ret = TRUE;
         goto out;