source-archive: Add DEB support

src/builder-source-archive.c

@@ -73,6 +73,7 @@ enum {
 typedef enum {
   UNKNOWN,
   RPM,
+  DEB,
   TAR,
   TAR_GZIP,
   TAR_COMPRESS,
@@ -467,6 +468,21 @@ unrpm (GFile   *dir,
   return res;
 }
 
+static gboolean
+dpkg_deb_extract (GFile      *dir,
+                  const char *deb_path,
+                  GError    **error)
+{
+  g_autofree char *dir_path = g_file_get_path (dir);
+
+  gboolean res;
+  const gchar *argv[] = { "dpkg-deb", "-x", deb_path, dir_path, NULL };
+
+  res = flatpak_spawnv (dir, NULL, 0, error, argv);
+
+  return res;
+}
+
 static BuilderArchiveType
 get_type (GFile *archivefile)
 {
@@ -514,6 +530,9 @@ get_type (GFile *archivefile)
   if (g_str_has_suffix (lower, ".rpm"))
     return RPM;
 
+  if (g_str_has_suffix (lower, ".deb"))
+    return DEB;
+
   return UNKNOWN;
 }
 
@@ -692,6 +711,23 @@ builder_source_archive_extract (BuilderSource  *source,
             return FALSE;
         }
     }
+  else if (type == DEB)
+    {
+      g_autoptr(GFile) deb_dest = NULL;
+
+      deb_dest = create_uncompress_directory (self, dest, error);
+      if (deb_dest == NULL)
+        return FALSE;
+
+      if (!dpkg_deb_extract (deb_dest, archive_path, error))
+        return FALSE;
+
+      if (self->strip_components > 0)
+        {
+          if (!strip_components_into (dest, deb_dest, self->strip_components, error))
+            return FALSE;
+        }
+    }
   else
     {
       g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Unknown archive format of '%s'", archive_path);