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

diff --git a/Documentation/diff-format.txt b/Documentation/diff-format.txt
index e38a1f14056b2e3cfe3c281eb7df7e5b44d520db..001503205b24d5c20ec10792c4ab6c4c7221bcb7 100644 (file)
--- a/Documentation/diff-format.txt
+++ b/Documentation/diff-format.txt
@@ -1,7 +1,7 @@
 The output format from "git-diff-index", "git-diff-tree" and
 "git-diff-files" are very similar.
 
-These commands all compare two sets of things; what is 
+These commands all compare two sets of things; what is
 compared differs:
 
 git-diff-index <tree-ish>::
@@ -126,6 +126,13 @@ the file that rename/copy produces, respectively.
     If there is need for such substitution then the whole
     pathname is put in double quotes.
 
+The similarity index is the percentage of unchanged lines, and
+the dissimilarity index is the percentage of changed lines.  It
+is a rounded down integer, followed by a percent sign.  The
+similarity index value of 100% is thus reserved for two equal
+files, while 100% dissimilarity means that no line from the old
+file made it into the new one.
+
 
 combined diff format
 --------------------
@@ -139,28 +146,28 @@ index fabadb8,cc95eb0..4866510
 --- a/describe.c
 +++ b/describe.c
 @@@ -98,20 -98,12 +98,20 @@@
-       return (a_date > b_date) ? -1 : (a_date == b_date) ? 0 : 1;
+       return (a_date > b_date) ? -1 : (a_date == b_date) ? 0 : 1;
   }
-  
+
 - static void describe(char *arg)
  -static void describe(struct commit *cmit, int last_one)
 ++static void describe(char *arg, int last_one)
   {
  +     unsigned char sha1[20];
  +     struct commit *cmit;
-       struct commit_list *list;
-       static int initialized = 0;
-       struct commit_name *n;
-  
+       struct commit_list *list;
+       static int initialized = 0;
+       struct commit_name *n;
+
  +     if (get_sha1(arg, sha1) < 0)
  +             usage(describe_usage);
  +     cmit = lookup_commit_reference(sha1);
  +     if (!cmit)
  +             usage(describe_usage);
  +
-       if (!initialized) {
-               initialized = 1;
-               for_each_ref(get_name);
+       if (!initialized) {
+               initialized = 1;
+               for_each_ref(get_name);
 ------------
 
 1.   It is preceded with a "git diff" header, that looks like
@@ -233,4 +240,3 @@ parents).  When shown by `git diff-files -c`, it compares the
 two unresolved merge parents with the working tree file
 (i.e. file1 is stage 2 aka "our version", file2 is stage 3 aka
 "their version").
-