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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2014 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
/**
* SECTION:asb-package-deb
* @short_description: Object representing a .DEB package file.
* @stability: Unstable
*
* This object represents one .deb package file.
*/
#include "config.h"
#include "asb-package-deb.h"
#include "asb-plugin.h"
G_DEFINE_TYPE (AsbPackageDeb, asb_package_deb, ASB_TYPE_PACKAGE)
static void
asb_package_deb_init (AsbPackageDeb *pkg)
{
}
static gboolean
asb_package_deb_ensure_simple (AsbPackage *pkg, GError **error)
{
const gchar *argv[4] = { "dpkg", "--field", "fn", NULL };
gchar *tmp;
guint i;
guint j;
g_autofree gchar *output = NULL;
g_auto(GStrv) lines = NULL;
/* spawn sync */
argv[2] = asb_package_get_filename (pkg);
if (!g_spawn_sync (NULL, (gchar **) argv, NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL,
&output, NULL, NULL, error))
return FALSE;
/* parse output */
lines = g_strsplit (output, "\n", -1);
for (i = 0; lines[i] != NULL; i++) {
if (g_str_has_prefix (lines[i], "Package: ")) {
asb_package_set_name (pkg, lines[i] + 9);
continue;
}
if (g_str_has_prefix (lines[i], "Source: ")) {
asb_package_set_source (pkg, lines[i] + 8);
continue;
}
if (g_str_has_prefix (lines[i], "Version: ")) {
g_auto(GStrv) vr = NULL;
vr = g_strsplit (lines[i] + 9, "-", 2);
tmp = g_strstr_len (vr[0], -1, ":");
if (tmp == NULL) {
asb_package_set_version (pkg, vr[0]);
} else {
*tmp = '\0';
j = (guint) g_ascii_strtoull (vr[0], NULL, 10);
asb_package_set_epoch (pkg, j);
asb_package_set_version (pkg, tmp + 1);
}
if (vr[1] != NULL) {
asb_package_set_release (pkg, vr[1]);
} else {
/* packages don't actually have to have a
* release value like rpm; in this case fake
* something plausible */
asb_package_set_release (pkg, "0");
}
continue;
}
if (g_str_has_prefix (lines[i], "Depends: ")) {
g_auto(GStrv) vr = NULL;
vr = g_strsplit (lines[i] + 9, ", ", -1);
for (j = 0; vr[j] != NULL; j++) {
tmp = g_strstr_len (vr[j], -1, " ");
if (tmp != NULL)
*tmp = '\0';
asb_package_add_dep (pkg, vr[j]);
}
continue;
}
}
return TRUE;
}
static gboolean
asb_package_deb_ensure_filelists (AsbPackage *pkg, GError **error)
{
const gchar *argv[4] = { "dpkg", "--contents", "fn", NULL };
const gchar *fn;
guint i;
g_autofree gchar *output = NULL;
g_autoptr(GPtrArray) files = NULL;
g_auto(GStrv) lines = NULL;
/* spawn sync */
argv[2] = asb_package_get_filename (pkg);
if (!g_spawn_sync (NULL, (gchar **) argv, NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL,
&output, NULL, NULL, error))
return FALSE;
/* parse output */
files = g_ptr_array_new_with_free_func (g_free);
lines = g_strsplit (output, "\n", -1);
for (i = 0; lines[i] != NULL; i++) {
fn = g_strrstr (lines[i], " ");
if (fn == NULL)
continue;
/* ignore directories */
if (g_str_has_suffix (fn, "/"))
continue;
g_ptr_array_add (files, g_strdup (fn + 2));
}
/* save */
g_ptr_array_add (files, NULL);
asb_package_set_filelist (pkg, (gchar **) files->pdata);
return TRUE;
}
static gboolean
asb_package_deb_open (AsbPackage *pkg, const gchar *filename, GError **error)
{
/* read package stuff */
if (!asb_package_deb_ensure_simple (pkg, error))
return FALSE;
if (!asb_package_deb_ensure_filelists (pkg, error))
return FALSE;
return TRUE;
}
static gboolean
asb_package_deb_explode (AsbPackage *pkg,
const gchar *dir,
GPtrArray *glob,
GError **error)
{
guint i;
const gchar *data_names[] = { "data.tar.xz",
"data.tar.bz2",
"data.tar.gz",
"data.tar.lzma",
"data.tar",
NULL };
/* first decompress the main deb */
if (!asb_utils_explode (asb_package_get_filename (pkg),
dir, NULL, error))
return FALSE;
/* then decompress the data file */
for (i = 0; data_names[i] != NULL; i++) {
g_autofree gchar *data_fn = NULL;
data_fn = g_build_filename (dir, data_names[i], NULL);
if (g_file_test (data_fn, G_FILE_TEST_EXISTS)) {
if (!asb_utils_explode (data_fn, dir, glob, error))
return FALSE;
}
}
return TRUE;
}
static void
asb_package_deb_class_init (AsbPackageDebClass *klass)
{
AsbPackageClass *package_class = ASB_PACKAGE_CLASS (klass);
package_class->open = asb_package_deb_open;
package_class->explode = asb_package_deb_explode;
}
/**
* asb_package_deb_new:
*
* Creates a new DEB package.
*
* Returns: a package
*
* Since: 0.1.0
**/
AsbPackage *
asb_package_deb_new (void)
{
AsbPackage *pkg;
pkg = g_object_new (ASB_TYPE_PACKAGE_DEB, NULL);
return ASB_PACKAGE (pkg);
}
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