do not segfault if make_cache_entry failed

diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index f1f90cca62f61327a13b5ab41862596ca24a9b8f..5061d3e4e7b8a888093c5e8c7b4cb03509391756 100644 (file)
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -8,16 +8,15 @@ git-for-each-ref - Output information on each ref
 SYNOPSIS
 --------
 [verse]
-'git-for-each-ref' [--count=<count>]\*
-                   [--shell|--perl|--python|--tcl]
-                   [--sort=<key>]\* [--format=<format>] [<pattern>]
+'git for-each-ref' [--count=<count>] [--shell|--perl|--python|--tcl]
+                  [--sort=<key>]\* [--format=<format>] [<pattern>...]
 
 DESCRIPTION
 -----------
 
 Iterate over all refs that match `<pattern>` and show them
 according to the given `<format>`, after sorting them according
-to the given set of `<key>`.  If `<max>` is given, stop after
+to the given set of `<key>`.  If `<count>` is given, stop after
 showing that many refs.  The interpolated values in `<format>`
 can optionally be quoted as string literals in the specified
 host language allowing their direct evaluation in that language.
@@ -32,8 +31,9 @@ OPTIONS
 <key>::
        A field name to sort on.  Prefix `-` to sort in
        descending order of the value.  When unspecified,
-       `refname` is used.  More than one sort keys can be
-       given.
+       `refname` is used.  You may use the --sort=<key> option
+       multiple times, in which case the last key becomes the primary
+       key.
 
 <format>::
        A string that interpolates `%(fieldname)` from the
@@ -47,12 +47,16 @@ OPTIONS
        `xx`; for example `%00` interpolates to `\0` (NUL),
        `%09` to `\t` (TAB) and `%0a` to `\n` (LF).
 
-<pattern>::
-       If given, the name of the ref is matched against this
-       using fnmatch(3).  Refs that do not match the pattern
-       are not shown.
+<pattern>...::
+       If one or more patterns are given, only refs are shown that
+       match against at least one pattern, either using fnmatch(3) or
+       literally, in the latter case matching completely or from the
+       beginning up to a slash.
 
---shell, --perl, --python, --tcl::
+--shell::
+--perl::
+--python::
+--tcl::
        If given, strings that substitute `%(fieldname)`
        placeholders are quoted as string literals suitable for
        the specified host language.  This is meant to produce
@@ -70,12 +74,13 @@ For all objects, the following names can be used:
 
 refname::
        The name of the ref (the part after $GIT_DIR/).
+       For a non-ambiguous short name of the ref append `:short`.
 
 objecttype::
        The type of the object (`blob`, `tree`, `commit`, `tag`).
 
 objectsize::
-       The size of the object (the same as `git-cat-file -s` reports).
+       The size of the object (the same as 'git-cat-file -s' reports).
 
 objectname::
        The object name (aka SHA-1).
@@ -115,7 +120,7 @@ An example directly producing formatted text.  Show the most recent
 ------------
 #!/bin/sh
 
-git-for-each-ref --count=3 --sort='-*authordate' \
+git for-each-ref --count=3 --sort='-*authordate' \
 --format='From: %(*authorname) %(*authoremail)
 Subject: %(*subject)
 Date: %(*authordate)
@@ -131,7 +136,7 @@ demonstrating the use of --shell.  List the prefixes of all heads::
 ------------
 #!/bin/sh
 
-git-for-each-ref --shell --format="ref=%(refname)" refs/heads | \
+git for-each-ref --shell --format="ref=%(refname)" refs/heads | \
 while read entry
 do
        eval "$entry"
@@ -185,7 +190,7 @@ Its message reads as:
        fi
 '
 
-eval=`git-for-each-ref --shell --format="$fmt" \
+eval=`git for-each-ref --shell --format="$fmt" \
        --sort='*objecttype' \
        --sort=-taggerdate \
        refs/tags`