[PATCH] Wait help.autocorrect deciseconds before running corrected command

[Alex Riesen <raa.lkml@gmail.com>]

Suggested by Junio, so he has a chance to hit Ctrl-C.
---
Junio C Hamano, Wed, Jul 23, 2008 01:08:17 +0200:
> 
> Please make autocorrect not a binary but optionally the number of
> deciseconds before it continues, so that I have a chance to hit ^C ;-)

on top of the last patch.

 Documentation/config.txt |    9 +++++++++
 help.c                   |    7 ++++++-
 2 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index e784805..5bf1d0d 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -771,6 +771,15 @@ help.format::
 	Values 'man', 'info', 'web' and 'html' are supported. 'man' is
 	the default. 'web' and 'html' are the same.
 
+help.autocorrect::
+	Automatically correct and execute mistyped commands after
+	waiting for the given number of deciseconds (0.1 sec). If more
+	than one command can be deduced from the entered text, nothing
+	will be executed.  If the value of this option is negative,
+	the corrected command will be executed immediately. If the
+	value is 0 - the command will be just shown but not executed.
+	This is the default.
+
 http.proxy::
 	Override the HTTP proxy, normally configured using the 'http_proxy'
 	environment variable (see linkgit:curl[1]).  This can be overridden
diff --git a/help.c b/help.c
index 8b25a55..4d52781 100644
--- a/help.c
+++ b/help.c
@@ -271,7 +271,7 @@ static int git_help_config(const char *var, const char *value, void *cb)
 	if (!prefixcmp(var, "man."))
 		return add_man_viewer_info(var, value);
 	if (!strcmp(var, "help.autocorrect"))
-		autocorrect = git_config_bool(var,value);
+		autocorrect = git_config_int(var,value);
 
 	return git_default_config(var, value, cb);
 }
@@ -722,6 +722,11 @@ const char *help_unknown_cmd(const char *cmd)
 			"which does not exist.\n"
 			"Continuing under the assumption that you meant '%s'\n",
 			cmd, main_cmds.names[0]->name);
+		if (autocorrect > 0) {
+			fprintf(stderr, "in %0.1f seconds automatically...\n",
+				(float)autocorrect/10.0);
+			poll(NULL, 0, autocorrect * 100);
+		}
 		return main_cmds.names[0]->name;
 	}
 
-- 
1.6.0.rc0.50.g9c23