Add -F to if-shell to allow it to be used to check for format or option

values rather than executing a command.

1 files changed, 24 insertions, 3 deletions

diff --git a/cmd-if-shell.c b/cmd-if-shell.c
index da0220ca..15432919 100644
--- a/cmd-if-shell.c
+++ b/cmd-if-shell.c
@@ -37,8 +37,8 @@ void	cmd_if_shell_free(void *);
 
 const struct cmd_entry cmd_if_shell_entry = {
 	"if-shell", "if",
-	"bt:", 2, 3,
-	"[-b] " CMD_TARGET_PANE_USAGE " shell-command command [command]",
+	"bFt:", 2, 3,
+	"[-bF] " CMD_TARGET_PANE_USAGE " shell-command command [command]",
 	0,
 	cmd_if_shell_exec
 };
@@ -56,7 +56,8 @@ cmd_if_shell_exec(struct cmd *self, struct cmd_q *cmdq)
 {
 	struct args			*args = self->args;
 	struct cmd_if_shell_data	*cdata;
-	char				*shellcmd;
+	char				*shellcmd, *cmd, *cause;
+	struct cmd_list			*cmdlist;
 	struct client			*c;
 	struct session			*s = NULL;
 	struct winlink			*wl = NULL;
@@ -84,6 +85,26 @@ cmd_if_shell_exec(struct cmd *self, struct cmd_q *cmdq)
 	shellcmd = format_expand(ft, args->argv[0]);
 	format_free(ft);
 
+	if (args_has(args, 'F')) {
+		cmd = NULL;
+		if (*shellcmd != '0' && *shellcmd != '\0')
+			cmd = args->argv[1];
+		else if (args->argc == 3)
+			cmd = args->argv[2];
+		if (cmd == NULL)
+			return (CMD_RETURN_NORMAL);
+		if (cmd_string_parse(cmd, &cmdlist, NULL, 0, &cause) != 0) {
+			if (cause != NULL) {
+				cmdq_error(cmdq, "%s", cause);
+				free(cause);
+			}
+			return (CMD_RETURN_ERROR);
+		}
+		cmdq_run(cmdq, cmdlist);
+		cmd_list_free(cmdlist);
+		return (CMD_RETURN_NORMAL);
+	}
+
 	cdata = xmalloc(sizeof *cdata);
 	cdata->cmd_if = xstrdup(args->argv[1]);
 	if (args->argc == 3)