apply: get rid of --index-info in favor of --build-fake-ancestor

diff --git a/git-am.sh b/git-am.sh
index 6809aa07f60165855ebc0192750e85569f9685ff..5599b9358402125e9901cc7dac96d319da16f43c 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -62,10 +62,8 @@ fall_back_3way () {
     mkdir "$dotest/patch-merge-tmp-dir"
 
     # First see if the patch records the index info that we can use.
-    git apply -z --index-info "$dotest/patch" \
-       >"$dotest/patch-merge-index-info" &&
-    GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
-    git update-index -z --index-info <"$dotest/patch-merge-index-info" &&
+    git apply --build-fake-ancestor "$dotest/patch-merge-tmp-index" \
+       "$dotest/patch" &&
     GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
     git write-tree >"$dotest/patch-merge-base+" ||
     cannot_fallback "Repository lacks necessary blobs to fall back on 3-way merge."