return st.st_mode & S_IXUSR;
}
-static unsigned int list_commands_in_dir(struct cmdnames *cmds,
+static void list_commands_in_dir(struct cmdnames *cmds,
const char *path,
const char *prefix)
{
- unsigned int longest = 0;
int prefix_len;
DIR *dir = opendir(path);
struct dirent *de;
int len;
if (!dir)
- return 0;
+ return;
if (!prefix)
prefix = "git-";
prefix_len = strlen(prefix);
if (has_extension(de->d_name, ".exe"))
entlen -= 4;
- if (longest < entlen)
- longest = entlen;
-
add_cmdname(cmds, de->d_name + prefix_len, entlen);
}
closedir(dir);
strbuf_release(&buf);
-
- return longest;
}
-unsigned int load_command_list(const char *prefix,
+void load_command_list(const char *prefix,
struct cmdnames *main_cmds,
struct cmdnames *other_cmds)
{
- unsigned int longest = 0;
- unsigned int len;
const char *env_path = getenv("PATH");
- char *paths, *path, *colon;
const char *exec_path = git_exec_path();
- if (exec_path)
- longest = list_commands_in_dir(main_cmds, exec_path, prefix);
-
- if (!env_path) {
- fprintf(stderr, "PATH not set\n");
- exit(1);
+ if (exec_path) {
+ list_commands_in_dir(main_cmds, exec_path, prefix);
+ qsort(main_cmds->names, main_cmds->cnt,
+ sizeof(*main_cmds->names), cmdname_compare);
+ uniq(main_cmds);
}
- path = paths = xstrdup(env_path);
- while (1) {
- if ((colon = strchr(path, PATH_SEP)))
- *colon = 0;
+ if (env_path) {
+ char *paths, *path, *colon;
+ path = paths = xstrdup(env_path);
+ while (1) {
+ if ((colon = strchr(path, PATH_SEP)))
+ *colon = 0;
+ if (!exec_path || strcmp(path, exec_path))
+ list_commands_in_dir(other_cmds, path, prefix);
- len = list_commands_in_dir(other_cmds, path, prefix);
- if (len > longest)
- longest = len;
+ if (!colon)
+ break;
+ path = colon + 1;
+ }
+ free(paths);
- if (!colon)
- break;
- path = colon + 1;
+ qsort(other_cmds->names, other_cmds->cnt,
+ sizeof(*other_cmds->names), cmdname_compare);
+ uniq(other_cmds);
}
- free(paths);
-
- qsort(main_cmds->names, main_cmds->cnt,
- sizeof(*main_cmds->names), cmdname_compare);
- uniq(main_cmds);
-
- qsort(other_cmds->names, other_cmds->cnt,
- sizeof(*other_cmds->names), cmdname_compare);
- uniq(other_cmds);
exclude_cmds(other_cmds, main_cmds);
-
- return longest;
}
-void list_commands(const char *title, unsigned int longest,
- struct cmdnames *main_cmds, struct cmdnames *other_cmds)
+void list_commands(const char *title, struct cmdnames *main_cmds,
+ struct cmdnames *other_cmds)
{
- const char *exec_path = git_exec_path();
+ int i, longest = 0;
+
+ for (i = 0; i < main_cmds->cnt; i++)
+ if (longest < main_cmds->names[i]->len)
+ longest = main_cmds->names[i]->len;
+ for (i = 0; i < other_cmds->cnt; i++)
+ if (longest < other_cmds->names[i]->len)
+ longest = other_cmds->names[i]->len;
if (main_cmds->cnt) {
+ const char *exec_path = git_exec_path();
printf("available %s in '%s'\n", title, exec_path);
printf("----------------");
mput_char('-', strlen(title) + strlen(exec_path));
return 0;
}
+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);
+}
+
static int levenshtein_compare(const void *p1, const void *p2)
{
const struct cmdname *const *c1 = p1, *const *c2 = 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;
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)
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);
"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;
}