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/*
* Copyright 2017 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "utils.h"
GHashTable*
get_os_release (void)
{
static const char * const os_release = "/etc/os-release";
GHashTable * hash;
GIOChannel * io;
hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
if ((io = g_io_channel_new_file (os_release, "r", NULL)))
{
GString * key = g_string_new (NULL);
for (;;)
{
GIOStatus status;
char * in;
GError * error;
gchar * val;
/* read a line */
status = g_io_channel_read_line_string (io, key, NULL, NULL);
if (status == G_IO_STATUS_EOF)
break;
/* ignore blank lines & comments */
if (!key->len || key->str[0]=='#')
continue;
/* split into key=value */
in = strchr(key->str, '=');
if (!in)
continue;
*in++ = '\0';
/* unmunge the value component */
g_strstrip(in); /* eat linefeed */
error = NULL;
val = g_shell_unquote (in, &error);
if (error != NULL)
{
g_warning("Unable to unquote \"%s\": %s", in, error->message);
val = g_strdup(in);
g_clear_error(&error);
}
g_debug("from \"%s\": key [%s] val [%s]", os_release, key->str, val);
g_hash_table_insert (hash, g_strdup(key->str), val); /* hash owns val now */
}
g_string_free(key, TRUE);
g_io_channel_unref(io);
}
return hash;
}
const char*
get_distro_name (void)
{
static char * distro_name = NULL;
if (distro_name == NULL)
{
GHashTable * os_release = get_os_release();
gpointer value = g_hash_table_lookup(os_release, "NAME");
if (value == NULL)
value = "GNU/Linux"; /* fallback value */
distro_name = g_strdup(value);
g_hash_table_destroy(os_release);
}
return distro_name;
}
const char*
get_distro_url (void)
{
static char * distro_url = NULL;
if (distro_url == NULL)
{
if (g_strcmp0(get_desktop_session(), "ubuntu-touch") == 0)
{
distro_url = g_strdup("https://ubports.com");
}
else
{
GHashTable * os_release = get_os_release();
gpointer value = g_hash_table_lookup(os_release, "SUPPORT_URL");
if (value == NULL)
{
value = g_hash_table_lookup(os_release, "HOME_URL");
if (value == NULL)
{
value = "https://www.gnu.org"; /* fallback value */
}
}
distro_url = g_strdup(value);
g_hash_table_destroy(os_release);
}
}
return distro_url;
}
const char*
get_distro_bts_url (void)
{
static char * distro_bts_url = NULL;
if (distro_bts_url == NULL)
{
if (g_strcmp0(get_desktop_session(), "ubuntu-touch") == 0)
{
distro_bts_url = g_strdup("https://gitlab.com/ubports/porting");
}
else
{
GHashTable * os_release = get_os_release();
gpointer value = g_hash_table_lookup(os_release, "BUG_REPORT_URL");
if (value == NULL)
value = "https://github.com/AyatanaIndicators/ayatana-indicator-session/issues"; /* fallback value */
distro_bts_url = g_strdup(value);
g_hash_table_destroy(os_release);
}
}
return distro_bts_url;
}
const char*
get_desktop_name (void)
{
static char * desktop_name = NULL;
const char * xdg_current_desktop;
if (desktop_name == NULL)
{
xdg_current_desktop = g_getenv ("XDG_CURRENT_DESKTOP");
if (xdg_current_desktop != NULL)
{
desktop_name = g_strsplit (xdg_current_desktop, ":", 0)[0];
}
}
return desktop_name;
}
const char*
get_desktop_session (void)
{
static const char * desktop_session = NULL;
const char * xdg_desktop_session;
if (desktop_session == NULL)
{
xdg_desktop_session = g_getenv ("XDG_DESKTOP_SESSION");
if (xdg_desktop_session == NULL)
{
/* try DESKTOP_SESSION env var if XDG_DESKTOP_SESSION is unset */
desktop_session = g_getenv ("DESKTOP_SESSION");
}
else
{
desktop_session = xdg_desktop_session;
}
}
return desktop_session;
}
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