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Add support for creating utmp records

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This patch adds support for creating utmp records using the ‘utempter’
helper binary from the ‘libutempter’ package.

* New config option ‘main.utempter’
* New meson command line option, -Ddefault-utempter-path. Defaults to
  auto-detecting the path.

The default value of the new ‘main.utempter’ config option depends on
the meson command line option ‘-Ddefault-utempter-path’.

If ‘main.utempter’ is *not* set to ‘none’, foot will try to execute
the utempter helper binary to create utmp records when a new terminal
is instantiated. The record is removed when the terminal instance is
destroyed.
This commit is contained in:
Daniel Eklöf 2022-09-23 20:24:04 +02:00
parent 77b74734a4
commit aa10b1d2da
No known key found for this signature in database
GPG key ID: 5BBD4992C116573F
11 changed files with 105 additions and 11 deletions
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19
config.c
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@ -944,6 +944,18 @@ parse_section_main(struct context *ctx)
else if (strcmp(key, "box-drawings-uses-font-glyphs") == 0)
return value_to_bool(ctx, &conf->box_drawings_uses_font_glyphs);
else if (strcmp(key, "utempter") == 0) {
if (!value_to_str(ctx, &conf->utempter_path))
return false;
if (strcmp(conf->utempter_path, "none") == 0) {
free(conf->utempter_path);
conf->utempter_path = NULL;
}
return true;
}
else {
LOG_CONTEXTUAL_ERR("not a valid option: %s", key);
return false;
@ -2937,6 +2949,9 @@ config_load(struct config *conf, const char *conf_path,
},
.env_vars = tll_init(),
.utempter_path = (strlen(FOOT_DEFAULT_UTEMPTER_PATH) > 0
? xstrdup(FOOT_DEFAULT_UTEMPTER_PATH)
: NULL),
.notifications = tll_init(),
};
@ -3225,6 +3240,9 @@ config_clone(const struct config *old)
tll_push_back(conf->env_vars, copy);
}
conf->utempter_path =
old->utempter_path != NULL ? xstrdup(old->utempter_path) : NULL;
conf->notifications.length = 0;
conf->notifications.head = conf->notifications.tail = 0;
tll_foreach(old->notifications, it) {
@ -3291,6 +3309,7 @@ config_free(struct config *conf)
tll_remove(conf->env_vars, it);
}
free(conf->utempter_path);
user_notifications_free(&conf->notifications);
}