Thanks for this. The OpenBSD kernel bits are in so I've applied your
diff with some minor tweaks and the required bits for osdep-openbsd.c.
Anyone wants to do AIX, Darwin, DFLY, HP/UX, or NetBSD send the code
:-).
On Tue, Dec 06, 2011 at 07:35:18PM +0100, Romain Francoise wrote:
> Nicholas Marriott <nicholas.marri...@gmail.com> writes:
>
> > Ok, so OpenBSD should have a way to do this soon, either a new
> > second-level sysctl KERN_PROC_CWD or a new third-level under
> > KERN_PROC_ARGS. Don't worry about that though, let's move forward with
> > your diff and I'll add OpenBSD when my code goes in.
>
> Awesome, thanks.
>
> Here's a v2 patch with the following changes:
> - logic updated as per your suggestion (note, default-path already
> defaults to "")
> - support for FreeBSD, tested on FreeBSD 8.2
> - support for Solaris, untested but it's similar to Linux
> - doc updated for 'default-path'
>
> diff --git a/cmd-new-window.c b/cmd-new-window.c
> index 065e2b1..30ddd64 100644
> --- a/cmd-new-window.c
> +++ b/cmd-new-window.c
> @@ -98,13 +98,7 @@ cmd_new_window_exec(struct cmd *self, struct cmd_ctx *ctx)
> cmd = options_get_string(&s->options, "default-command");
> else
> cmd = args->argv[0];
> - cwd = options_get_string(&s->options, "default-path");
> - if (*cwd == '\0') {
> - if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
> - cwd = ctx->cmdclient->cwd;
> - else
> - cwd = s->cwd;
> - }
> + cwd = cmd_get_default_path(ctx);
>
> if (idx == -1)
> idx = -1 - options_get_number(&s->options, "base-index");
> diff --git a/cmd-split-window.c b/cmd-split-window.c
> index 258c632..7089193 100644
> --- a/cmd-split-window.c
> +++ b/cmd-split-window.c
> @@ -77,13 +77,7 @@ cmd_split_window_exec(struct cmd *self, struct cmd_ctx
> *ctx)
> cmd = options_get_string(&s->options, "default-command");
> else
> cmd = args->argv[0];
> - cwd = options_get_string(&s->options, "default-path");
> - if (*cwd == '\0') {
> - if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
> - cwd = ctx->cmdclient->cwd;
> - else
> - cwd = s->cwd;
> - }
> + cwd = cmd_get_default_path(ctx);
>
> type = LAYOUT_TOPBOTTOM;
> if (args_has(args, 'h'))
> diff --git a/cmd.c b/cmd.c
> index 2027f75..a1b96c3 100644
> --- a/cmd.c
> +++ b/cmd.c
> @@ -1212,3 +1212,31 @@ cmd_template_replace(char *template, const char *s,
> int idx)
>
> return (buf);
> }
> +
> +/*
> + * Return a default path for new windows appropriate for this command
> + * context.
> + */
> +char *
> +cmd_get_default_path(struct cmd_ctx *ctx)
> +{
> + char *cwd;
> + struct session *s;
> + struct window_pane *wp;
> +
> + if ((s = cmd_current_session(ctx, 0)) == NULL)
> + return (NULL);
> +
> + cwd = options_get_string(&s->options, "default-path");
> + if (*cwd == '\0') {
> + if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
> + return (ctx->cmdclient->cwd);
> + if (ctx->curclient != NULL) {
> + wp = s->curw->window->active;
> + if ((cwd = osdep_get_pid_cwd(wp->pid)) != NULL)
> + return (cwd);
> + }
> + return (s->cwd);
> + }
> + return (cwd);
> +}
> diff --git a/osdep-aix.c b/osdep-aix.c
> index 0dc07d6..02a650d 100644
> --- a/osdep-aix.c
> +++ b/osdep-aix.c
> @@ -28,6 +28,12 @@ osdep_get_name(unused int fd, unused char *tty)
> return (NULL);
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-darwin.c b/osdep-darwin.c
> index 229a493..092adde 100644
> --- a/osdep-darwin.c
> +++ b/osdep-darwin.c
> @@ -48,6 +48,12 @@ osdep_get_name(int fd, unused char *tty)
> return (strdup(kp.kp_proc.p_comm));
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-dragonfly.c b/osdep-dragonfly.c
> index b15abf9..6cb656f 100644
> --- a/osdep-dragonfly.c
> +++ b/osdep-dragonfly.c
> @@ -119,6 +119,12 @@ error:
> return (NULL);
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-freebsd.c b/osdep-freebsd.c
> index 6b0c888..077a2c0 100644
> --- a/osdep-freebsd.c
> +++ b/osdep-freebsd.c
> @@ -29,9 +29,11 @@
> #include <stdlib.h>
> #include <string.h>
> #include <unistd.h>
> +#include <libutil.h>
>
> struct kinfo_proc *cmp_procs(struct kinfo_proc *, struct kinfo_proc *);
> char *osdep_get_name(int, char *);
> +char *osdep_get_pid_cwd(pid_t);
> struct event_base *osdep_event_init(void);
>
> #ifndef nitems
> @@ -130,6 +132,28 @@ error:
> return (NULL);
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + static char wd[PATH_MAX];
> + struct kinfo_file *info = NULL;
> + int nrecords, i;
> +
> + if ((info = kinfo_getfile(pid, &nrecords)) == NULL)
> + return (NULL);
> +
> + for (i = 0; i < nrecords; i++) {
> + if (info[i].kf_fd == KF_FD_TYPE_CWD) {
> + strlcpy(wd, info[i].kf_path, sizeof wd);
> + free(info);
> + return (wd);
> + }
> + }
> +
> + free(info);
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-hpux.c b/osdep-hpux.c
> index 3bec98e..e7ec565 100644
> --- a/osdep-hpux.c
> +++ b/osdep-hpux.c
> @@ -28,6 +28,12 @@ osdep_get_name(unused int fd, unused char *tty)
> return (NULL);
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-linux.c b/osdep-linux.c
> index b4a1a9f..3d3cf1f 100644
> --- a/osdep-linux.c
> +++ b/osdep-linux.c
> @@ -60,6 +60,23 @@ osdep_get_name(int fd, unused char *tty)
> return (buf);
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + static char target[MAXPATHLEN + 1];
> + char *path;
> + ssize_t n;
> +
> + xasprintf(&path, "/proc/%d/cwd", pid);
> + n = readlink(path, target, MAXPATHLEN);
> + xfree(path);
> + if (n > 0) {
> + target[n] = '\0';
> + return (target);
> + }
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-netbsd.c b/osdep-netbsd.c
> index 64fcb3e..8a2b13f 100644
> --- a/osdep-netbsd.c
> +++ b/osdep-netbsd.c
> @@ -123,6 +123,12 @@ error:
> return (NULL);
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-openbsd.c b/osdep-openbsd.c
> index 9eefc44..74059c2 100644
> --- a/osdep-openbsd.c
> +++ b/osdep-openbsd.c
> @@ -133,6 +133,12 @@ error:
> return (NULL);
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-sunos.c b/osdep-sunos.c
> index 5d1e582..58adf20 100644
> --- a/osdep-sunos.c
> +++ b/osdep-sunos.c
> @@ -64,6 +64,23 @@ osdep_get_name(int fd, char *tty)
> return (xstrdup(p.pr_fname));
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + static char target[MAXPATHLEN + 1];
> + char *path;
> + ssize_t n;
> +
> + xasprintf(&path, "/proc/%u/path/cwd", (u_int) pid);
> + n = readlink(path, target, MAXPATHLEN);
> + xfree(path);
> + if (n > 0) {
> + target[n] = '\0';
> + return (target);
> + }
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/osdep-unknown.c b/osdep-unknown.c
> index 3bec98e..e7ec565 100644
> --- a/osdep-unknown.c
> +++ b/osdep-unknown.c
> @@ -28,6 +28,12 @@ osdep_get_name(unused int fd, unused char *tty)
> return (NULL);
> }
>
> +char *
> +osdep_get_pid_cwd(pid_t pid)
> +{
> + return (NULL);
> +}
> +
> struct event_base *
> osdep_event_init(void)
> {
> diff --git a/tmux.1 b/tmux.1
> index cbe8062..c5d51fb 100644
> --- a/tmux.1
> +++ b/tmux.1
> @@ -1843,10 +1843,12 @@ to create a login shell using the value of the
> .Ic default-shell
> option.
> .It Ic default-path Ar path
> -Set the default working directory for processes created from keys, or
> -interactively from the prompt.
> -The default is empty, which means to use the working directory of the shell
> -from which the server was started if it is available or the user's home if
> not.
> +Set the default working directory for new processes. If empty (the
> +default), the working directory is determined dynamically from the
> +calling context: when called from keys or the command prompt the working
> +directory of the process living in the active window is used, when
> +called from the command line the working directory of the client is
> +used, otherwise the directory from which the server was started is used.
> .It Ic default-shell Ar path
> Specify the default shell.
> This is used as the login shell for new windows when the
> diff --git a/tmux.h b/tmux.h
> index 8c9f9e7..226c3d6 100644
> --- a/tmux.h
> +++ b/tmux.h
> @@ -1556,6 +1556,7 @@ int cmd_find_index(
> struct winlink *cmd_find_pane(struct cmd_ctx *,
> const char *, struct session **, struct window_pane **);
> char *cmd_template_replace(char *, const char *, int);
> +char *cmd_get_default_path(struct cmd_ctx *ctx);
> extern const struct cmd_entry *cmd_table[];
> extern const struct cmd_entry cmd_attach_session_entry;
> extern const struct cmd_entry cmd_bind_key_entry;
> @@ -2073,6 +2074,7 @@ u_int utf8_split2(u_int, u_char *);
>
> /* osdep-*.c */
> char *osdep_get_name(int, char *);
> +char *osdep_get_pid_cwd(pid_t);
> struct event_base *osdep_event_init(void);
>
> /* log.c */
------------------------------------------------------------------------------
Cloud Services Checklist: Pricing and Packaging Optimization
This white paper is intended to serve as a reference, checklist and point of
discussion for anyone considering optimizing the pricing and packaging model
of a cloud services business. Read Now!
http://www.accelacomm.com/jaw/sfnl/114/51491232/
_______________________________________________
tmux-users mailing list
tmux-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/tmux-users
