do not segfault if make_cache_entry failed

diff --git a/Documentation/git-mergetool.txt b/Documentation/git-mergetool.txt
index fedcfa0543fa9f7d44c2c53eedc9258d6eb8de43..e0b2703b380cb46b23870a97b861462d8e8f758a 100644 (file)
--- a/Documentation/git-mergetool.txt
+++ b/Documentation/git-mergetool.txt
@@ -13,11 +13,11 @@ DESCRIPTION
 -----------
 
 Use `git mergetool` to run one of several merge utilities to resolve
-merge conflicts.  It is typically run after `git-merge`.
+merge conflicts.  It is typically run after 'git-merge'.
 
 If one or more <file> parameters are given, the merge tool program will
 be run to resolve differences on each file.  If no <file> names are
-specified, `git-mergetool` will run the merge tool program on every file
+specified, 'git-mergetool' will run the merge tool program on every file
 with merge conflicts.
 
 OPTIONS
@@ -27,23 +27,23 @@ OPTIONS
        Valid merge tools are:
        kdiff3, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff, ecmerge, and opendiff
 +
-If a merge resolution program is not specified, `git-mergetool`
+If a merge resolution program is not specified, 'git-mergetool'
 will use the configuration variable `merge.tool`.  If the
-configuration variable `merge.tool` is not set, `git-mergetool`
+configuration variable `merge.tool` is not set, 'git-mergetool'
 will pick a suitable default.
 +
 You can explicitly provide a full path to the tool by setting the
 configuration variable `mergetool.<tool>.path`. For example, you
 can configure the absolute path to kdiff3 by setting
-`mergetool.kdiff3.path`. Otherwise, `git-mergetool` assumes the
+`mergetool.kdiff3.path`. Otherwise, 'git-mergetool' assumes the
 tool is available in PATH.
 +
 Instead of running one of the known merge tool programs
-`git-mergetool` can be customized to run an alternative program
-by specifying the command line to invoke in a configration
+'git-mergetool' can be customized to run an alternative program
+by specifying the command line to invoke in a configuration
 variable `mergetool.<tool>.cmd`.
 +
-When `git-mergetool` is invoked with this tool (either through the
+When 'git-mergetool' is invoked with this tool (either through the
 `-t` or `--tool` option or the `merge.tool` configuration
 variable) the configured command line will be invoked with `$BASE`
 set to the name of a temporary file containing the common base for
@@ -57,7 +57,7 @@ merge resolution.
 If the custom merge tool correctly indicates the success of a
 merge resolution with its exit code then the configuration
 variable `mergetool.<tool>.trustExitCode` can be set to `true`.
-Otherwise, `git-mergetool` will prompt the user to indicate the
+Otherwise, 'git-mergetool' will prompt the user to indicate the
 success of the resolution after the custom tool has exited.
 
 Author