Merge commit 'v1.7.2-rc0~6^2' into cc/cherry-pick-stdin

* commit 'v1.7.2-rc0~6^2':
  DWIM 'git show -5' to 'git show --do-walk -5'
  Documentation/SubmittingPatches: Fix typo in GMail section
  Documentation/config: describe status.submodulesummary

This commit fixes one test in t3508 by making "cherry-pick -<num>"
walk the history.

A test update from Elijah Newren is squashed as an evil merge.

Author: gitster

Documentation/SubmittingPatches

@@ -547,7 +547,7 @@ Gmail
 
 GMail does not appear to have any way to turn off line wrapping in the web
 interface, so this will mangle any emails that you send.  You can however
-use "git send e-mail" and send your patches through the GMail SMTP server, or
+use "git send-email" and send your patches through the GMail SMTP server, or
 use any IMAP email client to connect to the google IMAP server and forward
 the emails through that.
 

Documentation/config.txt

@@ -1699,6 +1699,13 @@ If this variable is not specified, it defaults to 'normal'.
 This variable can be overridden with the -u|--untracked-files option
 of linkgit:git-status[1] and linkgit:git-commit[1].
 
+status.submodulesummary::
+	Defaults to false.
+	If this is set to a non zero number or true (identical to -1 or an
+	unlimited number), the submodule summary will be enabled and a
+	summary of commits for modified submodules will be shown (see
+	--summary-limit option of linkgit:git-submodule[1]).
+
 tar.umask::
 	This variable can be used to restrict the permission bits of
 	tar archive entries.  The default is 0002, which turns off the

revision.c

@@ -1063,18 +1063,22 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
 
 	if (!prefixcmp(arg, "--max-count=")) {
 		revs->max_count = atoi(arg + 12);
+		revs->no_walk = 0;
 	} else if (!prefixcmp(arg, "--skip=")) {
 		revs->skip_count = atoi(arg + 7);
 	} else if ((*arg == '-') && isdigit(arg[1])) {
 	/* accept -<digit>, like traditional "head" */
 		revs->max_count = atoi(arg + 1);
+		revs->no_walk = 0;
 	} else if (!strcmp(arg, "-n")) {
 		if (argc <= 1)
 			return error("-n requires an argument");
 		revs->max_count = atoi(argv[1]);
+		revs->no_walk = 0;
 		return 2;
 	} else if (!prefixcmp(arg, "-n")) {
 		revs->max_count = atoi(arg + 2);
+		revs->no_walk = 0;
 	} else if (!prefixcmp(arg, "--max-age=")) {
 		revs->max_age = atoi(arg + 10);
 	} else if (!prefixcmp(arg, "--since=")) {

t/t3508-cherry-pick-many-commits.sh

@@ -82,7 +82,7 @@ test_expect_success 'revert fourth fourth~1 fourth~2 works' '
 	git diff --quiet HEAD first
 '
 
-test_expect_failure 'cherry-pick -3 fourth works' '
+test_expect_success 'cherry-pick -3 fourth works' '
 	git checkout -f master &&
 	git reset --hard first &&
 	test_tick &&