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https://github.com/tmux/tmux.git
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7d23d019c0
jobs, this means that if the same job is used for different windows or panes (for example in pane-border-format), it will be run separately for each pane.
181 lines
4.3 KiB
C
181 lines
4.3 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
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* Copyright (c) 2009 Nicholas Marriott <nicm@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Runs a command without a window.
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*/
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static enum cmd_retval cmd_run_shell_exec(struct cmd *, struct cmdq_item *);
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static void cmd_run_shell_callback(struct job *);
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static void cmd_run_shell_free(void *);
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static void cmd_run_shell_print(struct job *, const char *);
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const struct cmd_entry cmd_run_shell_entry = {
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.name = "run-shell",
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.alias = "run",
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.args = { "bt:", 1, 1 },
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.usage = "[-b] " CMD_TARGET_PANE_USAGE " shell-command",
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.tflag = CMD_PANE_CANFAIL,
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.flags = 0,
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.exec = cmd_run_shell_exec
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};
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struct cmd_run_shell_data {
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char *cmd;
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struct cmdq_item *item;
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int wp_id;
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};
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static void
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cmd_run_shell_print(struct job *job, const char *msg)
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{
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struct cmd_run_shell_data *cdata = job->data;
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struct window_pane *wp = NULL;
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struct cmd_find_state fs;
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if (cdata->wp_id != -1)
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wp = window_pane_find_by_id(cdata->wp_id);
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if (wp == NULL) {
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if (cdata->item != NULL) {
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cmdq_print(cdata->item, "%s", msg);
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return;
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}
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if (cmd_find_current (&fs, NULL, CMD_FIND_QUIET) != 0)
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return;
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wp = fs.wp;
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if (wp == NULL)
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return;
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}
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if (window_pane_set_mode(wp, &window_copy_mode) == 0)
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window_copy_init_for_output(wp);
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if (wp->mode == &window_copy_mode)
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window_copy_add(wp, "%s", msg);
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}
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static enum cmd_retval
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cmd_run_shell_exec(struct cmd *self, struct cmdq_item *item)
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{
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struct args *args = self->args;
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struct cmd_run_shell_data *cdata;
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char *shellcmd;
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struct session *s = item->state.tflag.s;
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struct winlink *wl = item->state.tflag.wl;
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struct window_pane *wp = item->state.tflag.wp;
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struct format_tree *ft;
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const char *cwd;
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if (item->client != NULL && item->client->session == NULL)
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cwd = item->client->cwd;
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else if (s != NULL)
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cwd = s->cwd;
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else
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cwd = NULL;
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ft = format_create(item, FORMAT_NONE, 0);
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format_defaults(ft, item->state.c, s, wl, wp);
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shellcmd = format_expand(ft, args->argv[0]);
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format_free(ft);
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cdata = xcalloc(1, sizeof *cdata);
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cdata->cmd = shellcmd;
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if (args_has(args, 't') && wp != NULL)
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cdata->wp_id = wp->id;
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else
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cdata->wp_id = -1;
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if (!args_has(args, 'b'))
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cdata->item = item;
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job_run(shellcmd, s, cwd, cmd_run_shell_callback, cmd_run_shell_free,
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cdata);
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if (args_has(args, 'b'))
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return (CMD_RETURN_NORMAL);
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return (CMD_RETURN_WAIT);
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}
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static void
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cmd_run_shell_callback(struct job *job)
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{
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struct cmd_run_shell_data *cdata = job->data;
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char *cmd = cdata->cmd, *msg, *line;
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size_t size;
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int retcode;
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u_int lines;
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lines = 0;
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do {
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if ((line = evbuffer_readline(job->event->input)) != NULL) {
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cmd_run_shell_print(job, line);
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free(line);
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lines++;
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}
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} while (line != NULL);
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size = EVBUFFER_LENGTH(job->event->input);
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if (size != 0) {
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line = xmalloc(size + 1);
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memcpy(line, EVBUFFER_DATA(job->event->input), size);
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line[size] = '\0';
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cmd_run_shell_print(job, line);
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lines++;
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free(line);
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}
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msg = NULL;
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if (WIFEXITED(job->status)) {
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if ((retcode = WEXITSTATUS(job->status)) != 0)
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xasprintf(&msg, "'%s' returned %d", cmd, retcode);
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} else if (WIFSIGNALED(job->status)) {
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retcode = WTERMSIG(job->status);
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xasprintf(&msg, "'%s' terminated by signal %d", cmd, retcode);
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}
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if (msg != NULL)
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cmd_run_shell_print(job, msg);
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free(msg);
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if (cdata->item != NULL)
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cdata->item->flags &= ~CMDQ_WAITING;
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}
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static void
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cmd_run_shell_free(void *data)
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{
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struct cmd_run_shell_data *cdata = data;
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free(cdata->cmd);
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free(cdata);
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}
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