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Add help.autocorrect to enable/disable autocorrecting 

It is off(0) by default, to avoid scaring people unless they asked to.
If set to a non-0 value, wait for that amount of deciseconds before
running the corrected command.

Suggested by Junio, so he has a chance to hit Ctrl-C.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alex Riesen 2008-08-31 15:54:58 +02:00 committed by Junio C Hamano
parent 8af84dadb1
commit f0e90716d4
2 changed files with 27 additions and 1 deletions
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9
Documentation/config.txt
View File

@ -790,6 +790,15 @@ 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

19
help.c
View File

@ -268,6 +268,16 @@ int is_in_cmdlist(struct cmdnames *c, const char *s)
return 0;
}
static int autocorrect;
static int git_unknown_cmd_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "help.autocorrect"))
autocorrect = git_config_int(var,value);
return git_default_config(var, value, cb);
}
static int levenshtein_compare(const void *p1, const void *p2)
{
const struct cmdname *const *c1 = p1, *const *c2 = p2;
@ -285,6 +295,8 @@ const char *help_unknown_cmd(const char *cmd)
memset(&main_cmds, 0, sizeof(main_cmds));
memset(&other_cmds, 0, sizeof(main_cmds));
git_config(git_unknown_cmd_config, NULL);
load_command_list("git-", &main_cmds, &other_cmds);
ALLOC_GROW(main_cmds.names, main_cmds.cnt + other_cmds.cnt,
@ -309,7 +321,7 @@ const char *help_unknown_cmd(const char *cmd)
n = 1;
while (n < main_cmds.cnt && best_similarity == main_cmds.names[n]->len)
++n;
if (n == 1) {
if (autocorrect && n == 1) {
const char *assumed = main_cmds.names[0]->name;
main_cmds.names[0] = NULL;
clean_cmdnames(&main_cmds);
@ -317,6 +329,11 @@ const char *help_unknown_cmd(const char *cmd)
"which does not exist.\n"
"Continuing under the assumption that you meant '%s'\n",
cmd, assumed);
if (autocorrect > 0) {
fprintf(stderr, "in %0.1f seconds automatically...\n",
(float)autocorrect/10.0);
poll(NULL, 0, autocorrect * 100);
}
return assumed;
}