rev-parse --symbolic-full-name: don't print '^' if SHA1 is not a ref

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 5d22b7b58c5950fe70d09e0bb7384179ae30220f..60d0e53a78974a99af3178fb11745fdaa51fd6fe 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -75,7 +75,8 @@ endif::git-format-patch[]
        Show only names of changed files.
 
 --name-status::
-       Show only names and status of changed files.
+       Show only names and status of changed files. See the description
+       of the `--diff-filter` option on what the status letters mean.
 
 --color::
        Show colored diff.
@@ -93,7 +94,9 @@ endif::git-format-patch[]
 
 --check::
        Warn if changes introduce trailing whitespace
-       or an indent that uses a space before a tab.
+       or an indent that uses a space before a tab. Exits with
+       non-zero status if problems are found. Not compatible with
+       --exit-code.
 
 --full-index::
        Instead of the first handful characters, show full
@@ -203,11 +206,20 @@ endif::git-format-patch[]
 
 --ext-diff::
        Allow an external diff helper to be executed. If you set an
-       external diff driver with gitlink:gitattributes[5], you need
-       to use this option with gitlink:git-log[1] and friends.
+       external diff driver with linkgit:gitattributes[5], you need
+       to use this option with linkgit:git-log[1] and friends.
 
 --no-ext-diff::
        Disallow external diff drivers.
 
+--src-prefix=<prefix>::
+       Show the given source prefix instead of "a/".
+
+--dst-prefix=<prefix>::
+       Show the given destination prefix instead of "b/".
+
+--no-prefix::
+       Do not show any source or destination prefix.
+
 For more detailed explanation on these common options, see also
 link:diffcore.html[diffcore documentation].