autocorrect: rename AUTOCORRECT_SHOW to AUTOCORRECT_HINT

AUTOCORRECT_SHOW is ambiguous. Its purpose is to show commands similar
to the unknown one and take no other action. Rename it to fit the
semantics.

Signed-off-by: Jiamu Sun <39@barroit.sh>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: barroit

autocorrect.c

@@ -12,7 +12,7 @@ static enum autocorrect_mode parse_autocorrect(const char *value)
 	case 1:
 		return AUTOCORRECT_IMMEDIATELY;
 	case 0:
-		return AUTOCORRECT_SHOW;
+		return AUTOCORRECT_HINT;
 	default: /* other random text */
 		break;
 	}
@@ -24,7 +24,7 @@ static enum autocorrect_mode parse_autocorrect(const char *value)
 	else if (!strcmp(value, "immediate"))
 		return AUTOCORRECT_IMMEDIATELY;
 	else if (!strcmp(value, "show"))
-		return AUTOCORRECT_SHOW;
+		return AUTOCORRECT_HINT;
 	else
 		return AUTOCORRECT_DELAY;
 }
@@ -49,7 +49,7 @@ void autocorrect_resolve_config(const char *var, const char *value,
 		conf->delay = git_config_int(var, value, ctx->kvi);
 
 		if (!conf->delay)
-			conf->mode = AUTOCORRECT_SHOW;
+			conf->mode = AUTOCORRECT_HINT;
 		else if (conf->delay < 0 || conf->delay == 1)
 			conf->mode = AUTOCORRECT_IMMEDIATELY;
 	}

autocorrect.h

@@ -4,7 +4,7 @@
 struct config_context;
 
 enum autocorrect_mode {
-	AUTOCORRECT_SHOW,
+	AUTOCORRECT_HINT,
 	AUTOCORRECT_NEVER,
 	AUTOCORRECT_PROMPT,
 	AUTOCORRECT_IMMEDIATELY,

help.c

@@ -674,7 +674,7 @@ char *help_unknown_cmd(const char *cmd)
 			; /* still counting */
 	}
 
-	if (cfg.autocorrect.mode != AUTOCORRECT_SHOW && n == 1 &&
+	if (cfg.autocorrect.mode != AUTOCORRECT_HINT && n == 1 &&
 	    SIMILAR_ENOUGH(best_similarity)) {
 		char *assumed = xstrdup(main_cmds.names[0]->name);