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git wrapper: also use aliases to correct mistyped commands 

Signed-off-by: Pieter de Bie <pdebie@ai.rug.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pieter de Bie 2008-09-10 17:54:28 +02:00 committed by Junio C Hamano
parent da06a80322
commit 746c221ad0
1 changed files with 24 additions and 8 deletions
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32
help.c
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@ -204,8 +204,8 @@ void load_command_list(const char *prefix,
while (1) {
if ((colon = strchr(path, PATH_SEP)))
*colon = 0;
list_commands_in_dir(other_cmds, path, prefix);
if (!exec_path || strcmp(path, exec_path))
list_commands_in_dir(other_cmds, path, prefix);
if (!colon)
break;
@ -262,11 +262,15 @@ int is_in_cmdlist(struct cmdnames *c, const char *s)
}
static int autocorrect;
static struct cmdnames aliases;
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);
/* Also use aliases for command lookup */
if (!prefixcmp(var, "alias."))
add_cmdname(&aliases, var + 6, strlen(var + 6));
return git_default_config(var, value, cb);
}
@ -280,6 +284,18 @@ static int levenshtein_compare(const void *p1, const void *p2)
return l1 != l2 ? l1 - l2 : strcmp(s1, s2);
}
static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old)
{
int i;
ALLOC_GROW(cmds->names, cmds->cnt + old->cnt, cmds->alloc);
for (i = 0; i < old->cnt; i++)
cmds->names[cmds->cnt++] = old->names[i];
free(old->names);
old->cnt = 0;
old->names = NULL;
}
const char *help_unknown_cmd(const char *cmd)
{
int i, n, best_similarity = 0;
@ -287,17 +303,17 @@ const char *help_unknown_cmd(const char *cmd)
memset(&main_cmds, 0, sizeof(main_cmds));
memset(&other_cmds, 0, sizeof(main_cmds));
memset(&aliases, 0, sizeof(aliases));
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,
main_cmds.alloc);
memcpy(main_cmds.names + main_cmds.cnt, other_cmds.names,
other_cmds.cnt * sizeof(other_cmds.names[0]));
main_cmds.cnt += other_cmds.cnt;
free(other_cmds.names);
add_cmd_list(&main_cmds, &aliases);
add_cmd_list(&main_cmds, &other_cmds);
qsort(main_cmds.names, main_cmds.cnt,
sizeof(main_cmds.names), cmdname_compare);
uniq(&main_cmds);
/* This reuses cmdname->len for similarity index */
for (i = 0; i < main_cmds.cnt; ++i)