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Restore pane_current_path format from portable tmux, it is no longer

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used by default and is very useful.
This commit is contained in:
nicm 2020-04-08 11:26:07 +00:00
parent d388dbdea9
commit 5d0eb619f1
4 changed files with 33 additions and 0 deletions
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16
format.c
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@ -741,6 +741,21 @@ format_cb_current_command(struct format_tree *ft, struct format_entry *fe)
free(cmd);
}
/* Callback for pane_current_path. */
static void
format_cb_current_path(struct format_tree *ft, struct format_entry *fe)
{
struct window_pane *wp = ft->wp;
char *cwd;
if (wp == NULL)
return;
cwd = get_proc_cwd(wp->fd);
if (cwd != NULL)
fe->value = xstrdup(cwd);
}
/* Callback for history_bytes. */
static void
format_cb_history_bytes(struct format_tree *ft, struct format_entry *fe)
@ -2722,6 +2737,7 @@ format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
format_add(ft, "pane_pid", "%ld", (long) wp->pid);
format_add_cb(ft, "pane_start_command", format_cb_start_command);
format_add_cb(ft, "pane_current_command", format_cb_current_command);
format_add_cb(ft, "pane_current_path", format_cb_current_path);
format_add(ft, "cursor_x", "%u", wp->base.cx);
format_add(ft, "cursor_y", "%u", wp->base.cy);

15
procname.c
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@ -38,6 +38,7 @@
static struct kinfo_proc *cmp_procs(struct kinfo_proc *, struct kinfo_proc *);
char *get_proc_name(int, char *);
char *get_proc_cwd(int);
static struct kinfo_proc *
cmp_procs(struct kinfo_proc *p1, struct kinfo_proc *p2)
@ -132,3 +133,17 @@ error:
free(buf);
return (NULL);
}
char *
get_proc_cwd(int fd)
{
int name[] = { CTL_KERN, KERN_PROC_CWD, 0 };
static char path[MAXPATHLEN];
size_t pathlen = sizeof path;
if ((name[2] = tcgetpgrp(fd)) == -1)
return (NULL);
if (sysctl(name, 3, path, &pathlen, NULL, 0) != 0)
return (NULL);
return (path);
}

1
tmux.1
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@ -4409,6 +4409,7 @@ The following variables are available, where appropriate:
.It Li "pane_at_top" Ta "" Ta "1 if pane is at the top of window"
.It Li "pane_bottom" Ta "" Ta "Bottom of pane"
.It Li "pane_current_command" Ta "" Ta "Current command if available"
.It Li "pane_current_path" Ta "" Ta "Current path if available"
.It Li "pane_dead" Ta "" Ta "1 if pane is dead"
.It Li "pane_dead_status" Ta "" Ta "Exit status of process in dead pane"
.It Li "pane_format" Ta "" Ta "1 if format is for a pane"

1
tmux.h
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@ -2743,6 +2743,7 @@ int utf8_cstrhas(const char *, const struct utf8_data *);
/* procname.c */
char *get_proc_name(int, char *);
char *get_proc_cwd(int);
/* log.c */
void log_add_level(void);