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Didn't really think the else behaviour through - requiring argv to 

contain "else" is silly so just omit that, also some manpage
tweaks. From Tiago Cunha.
pull/1/head
Nicholas Marriott 2011-10-27 22:40:15 +00:00
parent f5a73c5433
commit 5ed3daf28b
2 changed files with 12 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
cmd-if-shell.c
View File

@ -25,10 +25,9 @@
#include "tmux.h"
/*
* Executes a tmux command if a shell command returns true.
* Executes a tmux command if a shell command returns true or false.
*/
int cmd_if_shell_check(struct args *);
int cmd_if_shell_exec(struct cmd *, struct cmd_ctx *);
void cmd_if_shell_callback(struct job *);
@ -36,11 +35,11 @@ void cmd_if_shell_free(void *);
const struct cmd_entry cmd_if_shell_entry = {
"if-shell", "if",
"", 2, 4,
"shell-command command [else command]",
"", 2, 3,
"shell-command command [command]",
0,
NULL,
cmd_if_shell_check,
NULL,
cmd_if_shell_exec
};
@ -50,16 +49,6 @@ struct cmd_if_shell_data {
struct cmd_ctx ctx;
};
int
cmd_if_shell_check(struct args *args)
{
if (args->argc == 3)
return (-1);
if (args->argc == 4 && strcmp(args->argv[2], "else") != 0)
return (-1);
return (0);
}
int
cmd_if_shell_exec(struct cmd *self, struct cmd_ctx *ctx)
{
@ -69,8 +58,8 @@ cmd_if_shell_exec(struct cmd *self, struct cmd_ctx *ctx)
cdata = xmalloc(sizeof *cdata);
cdata->cmd_if = xstrdup(args->argv[1]);
if (args->argc == 4)
cdata->cmd_else = xstrdup(args->argv[3]);
if (args->argc == 3)
cdata->cmd_else = xstrdup(args->argv[2]);
else
cdata->cmd_else = NULL;
memcpy(&cdata->ctx, ctx, sizeof cdata->ctx);
@ -91,8 +80,7 @@ cmd_if_shell_callback(struct job *job)
struct cmd_if_shell_data *cdata = job->data;
struct cmd_ctx *ctx = &cdata->ctx;
struct cmd_list *cmdlist;
char *cmd;
char *cause;
char *cause, *cmd;
if (!WIFEXITED(job->status) || WEXITSTATUS(job->status) != 0) {
cmd = cdata->cmd_else;

8
tmux.1
View File

@ -2971,13 +2971,15 @@ Miscellaneous commands are as follows:
.Bl -tag -width Ds
.It Ic clock-mode Op Fl t Ar target-pane
Display a large clock.
.It Ic if-shell Ar shell-command command
.It Ic if-shell Ar shell-command command Op Ar command
.D1 (alias: Ic if )
Execute
Execute the first
.Ar command
if
.Ar shell-command
returns success.
returns success or the second
.Ar command
otherwise.
.It Ic lock-server
.D1 (alias: Ic lock )
Lock each client individually by running the command specified by the