Check for IO errors after running a command

diff --git a/Documentation/git-fmt-merge-msg.txt b/Documentation/git-fmt-merge-msg.txt
index a70eb3994afd866fd6cee6b2aaed8670ef26e2e5..6affc5bb4d1730805e1704af1045bb71ca896dbb 100644 (file)
--- a/Documentation/git-fmt-merge-msg.txt
+++ b/Documentation/git-fmt-merge-msg.txt
@@ -8,7 +8,9 @@ git-fmt-merge-msg - Produce a merge commit message
 
 SYNOPSIS
 --------
-'git-fmt-merge-msg' <$GIT_DIR/FETCH_HEAD
+[verse]
+git-fmt-merge-msg [--summary | --no-summary] <$GIT_DIR/FETCH_HEAD
+git-fmt-merge-msg [--summary | --no-summray] -F <file>
 
 DESCRIPTION
 -----------
@@ -19,6 +21,28 @@ passed as the '<merge-message>' argument of `git-merge`.
 This script is intended mostly for internal use by scripts
 automatically invoking `git-merge`.
 
+OPTIONS
+-------
+
+--summary::
+       In addition to branch names, populate the log message with
+       one-line descriptions from the actual commits that are being
+       merged.
+
+--no-summary::
+       Do not list one-line descriptions from the actual commits being
+       merged.
+
+--file <file>, -F <file>::
+       Take the list of merged objects from <file> instead of
+       stdin.
+
+CONFIGURATION
+-------------
+
+merge.summary::
+       Whether to include summaries of merged commits in newly
+       merge commit messages. False by default.
 
 SEE ALSO
 --------
@@ -36,4 +60,3 @@ Documentation by Petr Baudis, Junio C Hamano and the git-list <git@vger.kernel.o
 GIT
 ---
 Part of the gitlink:git[7] suite
-