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Provide defined ways to set the various default-path possibilities: ~

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for home directory, . for server start directory, - for session start
directory and empty for the pane's working directory (the default). All
can also be used as part of a relative path (eg -/foo). Also provide -c
flags to neww and splitw to override default-path setting.

Based on a diff from sthen. ok sthen
This commit is contained in:
Nicholas Marriott
2012-01-31 15:52:21 +00:00
parent 49a5a587ec
commit 908a22e41c
5 changed files with 88 additions and 26 deletions
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87
cmd.c
View File

@ -21,6 +21,7 @@
#include <fnmatch.h>
#include <paths.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
@ -1251,34 +1252,82 @@ cmd_template_replace(char *template, const char *s, int idx)
return (buf);
}
/* Return the default path for a new pane. */
/*
* Return the default path for a new pane, using the given path or the
* default-path option if it is NULL. Several special values are accepted: the
* empty string or relative path for the current pane's working directory, ~
* for the user's home, - for the session working directory, . for the tmux
* server's working directory. The default on failure is the session's working
* directory.
*/
const char *
cmd_get_default_path(struct cmd_ctx *ctx)
cmd_get_default_path(struct cmd_ctx *ctx, const char *cwd)
{
const char *cwd;
struct session *s;
struct window_pane *wp;
struct environ_entry *envent;
const char *root;
char tmp[MAXPATHLEN];
struct passwd *pw;
int n;
size_t skip;
static char path[MAXPATHLEN];
if ((s = cmd_current_session(ctx, 0)) == NULL)
return (NULL);
cwd = options_get_string(&s->options, "default-path");
if ((cwd[0] == '~' && cwd[1] == '\0') || !strcmp(cwd, "$HOME")) {
envent = environ_find(&global_environ, "HOME");
if (envent != NULL && *envent->value != '\0')
return envent->value;
cwd = "";
}
if (*cwd == '\0') {
if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
return (ctx->cmdclient->cwd);
if (ctx->curclient != NULL) {
wp = s->curw->window->active;
if ((cwd = get_proc_cwd(wp->pid)) != NULL)
return (cwd);
if (cwd == NULL)
cwd = options_get_string(&s->options, "default-path");
skip = 1;
if (strcmp(cwd, "$HOME") == 0 || strncmp(cwd, "$HOME/", 6) == 0) {
/* User's home directory - $HOME. */
skip = 5;
goto find_home;
} else if (cwd[0] == '~' && (cwd[1] == '\0' || cwd[1] == '/')) {
/* User's home directory - ~. */
goto find_home;
} else if (cwd[0] == '-' && (cwd[1] == '\0' || cwd[1] == '/')) {
/* Session working directory. */
root = s->cwd;
goto complete_path;
} else if (cwd[0] == '.' && (cwd[1] == '\0' || cwd[1] == '/')){
/* Server working directory. */
if (getcwd(tmp, sizeof tmp) != NULL) {
root = tmp;
goto complete_path;
}
return (s->cwd);
} else if (*cwd == '/') {
/* Absolute path. */
return (cwd);
} else {
/* Empty or relative path. */
if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
root = ctx->cmdclient->cwd;
else if (ctx->curclient != NULL)
root = get_proc_cwd(s->curw->window->active->pid);
else
return (s->cwd);
skip = 0;
goto complete_path;
}
return (cwd);
return (s->cwd);
find_home:
envent = environ_find(&global_environ, "HOME");
if (envent != NULL && *envent->value != '\0')
root = envent->value;
else if ((pw = getpwuid(getuid())) != NULL)
root = pw->pw_dir;
else
return (s->cwd);
complete_path:
if (root[skip] == '\0')
return (root);
n = snprintf(path, sizeof path, "%s/%s", root, cwd + skip);
if (n > 0 && (size_t)n < sizeof path)
return (path);
return (s->cwd);
}