doveadm force-resync: Add -f parameter to fsck index while opening it

This probably should be done by default, but for now keep it optional
just in case there are any bugs in the fsck implementation.

src/doveadm/doveadm-mail.c

@@ -32,6 +32,11 @@
 
 #define DOVEADM_MAIL_CMD_INPUT_TIMEOUT_MSECS (5*60*1000)
 
+struct force_resync_cmd_context {
+	struct doveadm_mail_cmd_context ctx;
+	bool fsck;
+};
+
 ARRAY_TYPE(doveadm_mail_cmd) doveadm_mail_cmds;
 void (*hook_doveadm_mail_init)(struct doveadm_mail_cmd_context *ctx);
 struct doveadm_mail_cmd_module_register
@@ -281,25 +286,30 @@ doveadm_mail_build_search_args(const char *const args[])
 	return sargs;
 }
 
-static int cmd_force_resync_box(struct doveadm_mail_cmd_context *ctx,
+static int cmd_force_resync_box(struct doveadm_mail_cmd_context *_ctx,
 				const struct mailbox_info *info)
 {
+	struct force_resync_cmd_context *ctx =
+		(struct force_resync_cmd_context *)_ctx;
+	enum mailbox_flags flags = MAILBOX_FLAG_IGNORE_ACLS;
 	struct mailbox *box;
 	int ret = 0;
 
-	box = mailbox_alloc(info->ns->list, info->vname,
-			    MAILBOX_FLAG_IGNORE_ACLS);
-	mailbox_set_reason(box, ctx->cmd->name);
+	if (ctx->fsck)
+		flags |= MAILBOX_FLAG_FSCK;
+
+	box = mailbox_alloc(info->ns->list, info->vname, flags);
+	mailbox_set_reason(box, _ctx->cmd->name);
 	if (mailbox_open(box) < 0) {
 		i_error("Opening mailbox %s failed: %s", info->vname,
 			mailbox_get_last_internal_error(box, NULL));
-		doveadm_mail_failed_mailbox(ctx, box);
+		doveadm_mail_failed_mailbox(_ctx, box);
 		ret = -1;
 	} else if (mailbox_sync(box, MAILBOX_SYNC_FLAG_FORCE_RESYNC |
 				MAILBOX_SYNC_FLAG_FIX_INCONSISTENT) < 0) {
 		i_error("Forcing a resync on mailbox %s failed: %s",
 			info->vname, mailbox_get_last_internal_error(box, NULL));
-		doveadm_mail_failed_mailbox(ctx, box);
+		doveadm_mail_failed_mailbox(_ctx, box);
 		ret = -1;
 	}
 	mailbox_free(&box);
@@ -356,15 +366,33 @@ cmd_force_resync_init(struct doveadm_mail_cmd_context *_ctx ATTR_UNUSED,
 		doveadm_mail_help_name("force-resync");
 }
 
-static struct doveadm_mail_cmd_context *cmd_force_resync_alloc(void)
+static bool
+cmd_force_resync_parse_arg(struct doveadm_mail_cmd_context *_ctx, int c)
 {
-	struct doveadm_mail_cmd_context *ctx;
+	struct force_resync_cmd_context *ctx =
+		(struct force_resync_cmd_context *)_ctx;
 
-	ctx = doveadm_mail_cmd_alloc(struct doveadm_mail_cmd_context);
-	ctx->v.init = cmd_force_resync_init;
-	ctx->v.run = cmd_force_resync_run;
-	ctx->v.prerun = cmd_force_resync_prerun;
-	return ctx;
+	switch (c) {
+	case 'f':
+		ctx->fsck = TRUE;
+		break;
+	default:
+		return FALSE;
+	}
+	return TRUE;
+}
+
+static struct doveadm_mail_cmd_context *cmd_force_resync_alloc(void)
+{
+	struct force_resync_cmd_context *ctx;
+
+	ctx = doveadm_mail_cmd_alloc(struct force_resync_cmd_context);
+	ctx->ctx.getopt_args = "f";
+	ctx->ctx.v.parse_arg = cmd_force_resync_parse_arg;
+	ctx->ctx.v.init = cmd_force_resync_init;
+	ctx->ctx.v.run = cmd_force_resync_run;
+	ctx->ctx.v.prerun = cmd_force_resync_prerun;
+	return &ctx->ctx;
 }
 
 static void
@@ -868,9 +896,10 @@ void doveadm_mail_help_name(const char *cmd_name)
 static struct doveadm_cmd_ver2 doveadm_cmd_force_resync_ver2 = {
 	.name = "force-resync",
 	.mail_cmd = cmd_force_resync_alloc,
-	.usage = DOVEADM_CMD_MAIL_USAGE_PREFIX "<mailbox mask>",
+	.usage = DOVEADM_CMD_MAIL_USAGE_PREFIX "[-f] <mailbox mask>",
 DOVEADM_CMD_PARAMS_START
 DOVEADM_CMD_MAIL_COMMON
+DOVEADM_CMD_PARAM('f', "fsck", CMD_PARAM_BOOL, 0)
 DOVEADM_CMD_PARAM('\0', "mailbox-mask", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
 DOVEADM_CMD_PARAMS_END
 };