get_sha1() - fix infinite loop on nonexistent stage.

diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt
index 88068d09f55c4177309da5308632f7a172f591de..910457d3b388f2c3b1dbe25f5609e3584fb4f113 100644 (file)
--- a/Documentation/git-am.txt
+++ b/Documentation/git-am.txt
@@ -1,5 +1,5 @@
 git-am(1)
-================
+=========
 
 NAME
 ----
@@ -8,8 +8,10 @@ git-am - Apply a series of patches in a mailbox
 
 SYNOPSIS
 --------
-'git-am' [--signoff] [--dotest=<dir>] [--utf8] [--3way] <mbox>...
-'git-am' [--skip]
+[verse]
+'git-am' [--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way]
+         [--interactive] [--whitespace=<option>] <mbox>...
+'git-am' [--skip | --resolved]
 
 DESCRIPTION
 -----------
@@ -28,9 +30,13 @@ OPTIONS
        area to store extracted patches.
 
 --utf8, --keep::
-       Pass `--utf8` and `--keep` flags to `git-mailinfo` (see
+       Pass `-u` and `-k` flags to `git-mailinfo` (see
        gitlink:git-mailinfo[1]).
 
+--binary::
+       Pass `--allow-binary-replacement` flag to `git-apply`
+       (see gitlink:git-apply[1]).
+
 --3way::
        When the patch does not apply cleanly, fall back on
        3-way merge, if the patch records the identity of blobs
@@ -41,9 +47,20 @@ OPTIONS
        Skip the current patch.  This is only meaningful when
        restarting an aborted patch.
 
+--whitespace=<option>::
+       This flag is passed to the `git-apply` program that applies
+       the patch.
+
 --interactive::
        Run interactively, just like git-applymbox.
 
+--resolved::
+       After a patch failure (e.g. attempting to apply
+       conflicting patch), the user has applied it by hand and
+       the index file stores the result of the application.
+       Make a commit using the authorship and commit log
+       extracted from the e-mail message and the current index
+       file, and continue.
 
 DISCUSSION
 ----------
@@ -56,12 +73,9 @@ recover from this in one of two ways:
 . skip the current one by re-running the command with '--skip'
   option.
 
-. hand resolve the conflict in the working directory, run 'git
-  diff HEAD' to extract the merge result into a patch form and
-  replacing the patch part of the message in .dotest directory.
-  After doing this, run `git-reset --hard HEAD` to bring the
-  working tree to the state before half-applying the patch, then
-  re-run the command without any options.
+. hand resolve the conflict in the working directory, and update
+  the index file to bring it in a state that the patch should
+  have produced.  Then run the command with '--resolved' option.
 
 The command refuses to process new mailboxes while `.dotest`
 directory exists, so if you decide to start over from scratch,
@@ -71,7 +85,7 @@ names.
 
 SEE ALSO
 --------
-gitlink:git-applymbox[1], gitlink:git-applypatch[1].
+gitlink:git-applymbox[1], gitlink:git-applypatch[1], gitlink:git-apply[1].
 
 
 Author
@@ -82,8 +96,6 @@ Documentation
 --------------
 Documentation by Petr Baudis, Junio C Hamano and the git-list <git@vger.kernel.org>.
 
-This manual page is a stub. You can help the git documentation by expanding it.
-
 GIT
 ---
 Part of the gitlink:git[7] suite