More Recipes - Git Recipes - page 510

starts at line c and continues for d lines.
The $ git diff command allows you to change the number of lines used in the
output. The command:

$ git diff --unified=4

changes the behavior of $ git diff in such a way that every change will be sur-
rounded by four unmodified lines, as in:

--- a/some-file-name
+++ b/some-file-name
@@ -a,b +c,d @@
xxx
xxx
xxx
xxx
+yyy
-zzz
qqq
qqq
qqq
qqq

The output shown in Listing 13-4 was produced with --unified=1 , therefore the
description is surrounded by single lines (they contain the words three and eight ):

@@ -3,6 +3,4 @@ two
three <- the first surrounding line

-four
-five
-six
-seven
+foo
+bar
eight <- the last surrounding line

Thanks to 3,6 we know that the first version of the file starts at line 3 and consists
of 6 lines: