Documentation: fix diff.external example

The diff.external examples pass a flag to gnu-diff, but GNU diff
does not follow the GIT_EXTERNAL_DIFF interface.

Signed-off-by: Anders Melchiorsen <mail@cup.kalibalik.dk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 5331b450ea051334d53ce3f1e727e33def2ea2cf..d4ca8b2712f9ca148db642ea50f94f3f9acf2a2c 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -92,7 +92,7 @@ Example
 
        # Our diff algorithm
        [diff]
-               external = "/usr/local/bin/gnu-diff -u"
+               external = /usr/local/bin/diff-wrapper
                renames = true
 
        [branch "devel"]
@@ -554,9 +554,11 @@ diff.autorefreshindex::
 diff.external::
        If this config variable is set, diff generation is not
        performed using the internal diff machinery, but using the
-       given command.  Note: if you want to use an external diff
-       program only on a subset of your files, you might want to
-       use linkgit:gitattributes[5] instead.
+       given command.  Can be overridden with the `GIT_EXTERNAL_DIFF'
+       environment variable.  The command is called with parameters
+       as described under "git Diffs" in linkgit:git[1].  Note: if
+       you want to use an external diff program only on a subset of
+       your files, you might want to use linkgit:gitattributes[5] instead.
 
 diff.renameLimit::
        The number of files to consider when performing the copy/rename

diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index c90421ee7f3b6a3fe1f08c4868b5652d4d7db569..b0f20e23925d1df9907a58b596b2f096c5ef53ee 100644 (file)
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -231,7 +231,7 @@ Given a .git/config like this:
 
        ; Our diff algorithm
        [diff]
-               external = "/usr/local/bin/gnu-diff -u"
+               external = /usr/local/bin/diff-wrapper
                renames = true
 
        ; Proxy settings