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Add help.autocorrect to enable/disable autocorrecting

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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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19
help.c
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@ -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;
}