oneway_merge(): only lstat() when told to update worktree

diff --git a/Documentation/git-mailinfo.txt b/Documentation/git-mailinfo.txt
index e3d58cbac3f162cc01d8731485f220fd70fed17b..97e7a8e9e7cc01bc350d57ca66e08f5ed96221de 100644 (file)
--- a/Documentation/git-mailinfo.txt
+++ b/Documentation/git-mailinfo.txt
@@ -8,6 +8,7 @@ git-mailinfo - Extracts patch and authorship from a single e-mail message
 
 SYNOPSIS
 --------
+[verse]
 'git mailinfo' [-k|-b] [-u | --encoding=<encoding> | -n] [--scissors] <msg> <patch>
 
 
@@ -24,13 +25,24 @@ command directly.  See linkgit:git-am[1] instead.
 OPTIONS
 -------
 -k::
-       Usually the program 'cleans up' the Subject: header line
-       to extract the title line for the commit log message,
-       among which (1) remove 'Re:' or 're:', (2) leading
-       whitespaces, (3) '[' up to ']', typically '[PATCH]', and
-       then prepends "[PATCH] ".  This flag forbids this
-       munging, and is most useful when used to read back
-       'git format-patch -k' output.
+       Usually the program removes email cruft from the Subject:
+       header line to extract the title line for the commit log
+       message.  This option prevents this munging, and is most
+       useful when used to read back 'git format-patch -k' output.
++
+Specifically, the following are removed until none of them remain:
++
+--
+*      Leading and trailing whitespace.
+
+*      Leading `Re:`, `re:`, and `:`.
+
+*      Leading bracketed strings (between `[` and `]`, usually
+       `[PATCH]`).
+--
++
+Finally, runs of whitespace are normalized to a single ASCII space
+character.
 
 -b::
        When -k is not in effect, all leading strings bracketed with '['
@@ -40,16 +52,16 @@ OPTIONS
 -u::
        The commit log message, author name and author email are
        taken from the e-mail, and after minimally decoding MIME
-       transfer encoding, re-coded in UTF-8 by transliterating
+       transfer encoding, re-coded in the charset specified by
+       i18n.commitencoding (defaulting to UTF-8) by transliterating
        them.  This used to be optional but now it is the default.
 +
 Note that the patch is always used as-is without charset
 conversion, even with this flag.
 
 --encoding=<encoding>::
-       Similar to -u but if the local convention is different
-       from what is specified by i18n.commitencoding, this flag
-       can be used to override it.
+       Similar to -u.  But when re-coding, the charset specified here is
+       used instead of the one specified by i18n.commitencoding or UTF-8.
 
 -n::
        Disable all charset re-coding of the metadata.
@@ -80,17 +92,6 @@ This can enabled by default with the configuration option mailinfo.scissors.
 <patch>::
        The patch extracted from e-mail.
 
-
-Author
-------
-Written by Linus Torvalds <torvalds@osdl.org> and
-Junio C Hamano <gitster@pobox.com>
-
-
-Documentation
---------------
-Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
-
 GIT
 ---
 Part of the linkgit:git[1] suite