Add --add/remove-tag options

We'd like to use these in flathub.

Closes: #268
Approved by: alexlarsson

doc/flatpak-builder.xml

@@ -534,6 +534,24 @@
                 </para></listitem>
             </varlistentry>
 
+            <varlistentry>
+                <term><option>--add-tag=TAG</option></term>
+
+                <listitem><para>
+                  Add this tag to the tags list of the manifest before building.
+                </para></listitem>
+            </varlistentry>
+
+            <varlistentry>
+                <term><option>--remove-tag=TAG</option></term>
+
+                <listitem><para>
+                  Remove this tag to the tags list of the manifest before building. The remove
+                  happen before processing the --add-tag option, so if both are specified, then
+                  --app-tag wins.
+                </para></listitem>
+            </varlistentry>
+
             <varlistentry>
                 <term><option>--install-deps-from=REMOTE</option></term>
 

src/builder-main.c

@@ -74,6 +74,8 @@ static char *opt_gpg_homedir;
 static char **opt_key_ids;
 static char **opt_sources_dirs;
 static char **opt_sources_urls;
+static char **opt_add_tags;
+static char **opt_remove_tags;
 static int opt_jobs;
 static char *opt_mirror_screenshots_url;
 static char *opt_install_deps_from;
@@ -89,6 +91,8 @@ static GOptionEntry entries[] = {
   { "version", 0, 0, G_OPTION_ARG_NONE, &opt_version, "Print version information and exit", NULL },
   { "arch", 0, 0, G_OPTION_ARG_STRING, &opt_arch, "Architecture to build for (must be host compatible)", "ARCH" },
   { "default-branch", 0, 0, G_OPTION_ARG_STRING, &opt_default_branch, "Change the default branch", "BRANCH" },
+  { "add-tag", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_add_tags, "Add a tag to the build", "TAG"},
+  { "remove-tag", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_remove_tags, "Remove a tag from the build", "TAG"},
   { "run", 0, 0, G_OPTION_ARG_NONE, &opt_run, "Run a command in the build directory (see --run --help)", NULL },
   { "ccache", 0, 0, G_OPTION_ARG_NONE, &opt_ccache, "Use ccache", NULL },
   { "disable-cache", 0, 0, G_OPTION_ARG_NONE, &opt_disable_cache, "Disable cache lookups", NULL },
@@ -689,6 +693,12 @@ main (int    argc,
       return 1;
     }
 
+  if (opt_remove_tags)
+    builder_manifest_remove_tags (manifest, (const char **)opt_remove_tags);
+
+  if (opt_add_tags)
+    builder_manifest_add_tags (manifest, (const char **)opt_add_tags);
+
   if (opt_default_branch)
     builder_context_set_default_branch (build_context, opt_default_branch);
 

src/builder-manifest.c

@@ -1415,6 +1415,56 @@ builder_manifest_set_default_collection_id (BuilderManifest *self,
     self->collection_id = g_strdup (default_collection_id);
 }
 
+void
+builder_manifest_add_tags (BuilderManifest *self,
+                          const char      **add_tags)
+{
+  GPtrArray *new_tags = g_ptr_array_new ();
+  int i;
+
+  for (i = 0; self->tags != NULL && self->tags[i] != NULL; i++)
+    g_ptr_array_add (new_tags, self->tags[i]);
+
+  for (i = 0; add_tags[i] != NULL; i++)
+    {
+      const char *new_tag = add_tags[i];
+      if (self->tags == NULL || !g_strv_contains ((const char **)self->tags, new_tag))
+        g_ptr_array_add (new_tags, g_strdup (new_tag));
+    }
+
+  g_ptr_array_add (new_tags, NULL);
+
+  g_free (self->tags);
+  self->tags = (char **)g_ptr_array_free (new_tags, FALSE);
+
+}
+
+void
+builder_manifest_remove_tags (BuilderManifest *self,
+                             const char      **remove_tags)
+{
+  GPtrArray *new_tags = g_ptr_array_new ();
+  int i;
+
+  if (self->tags)
+    {
+      for (i = 0; self->tags[i] != NULL; i++)
+        {
+          char *old_tag = self->tags[i];
+          if (g_strv_contains (remove_tags, old_tag))
+            g_free (old_tag);
+          else
+            g_ptr_array_add (new_tags, old_tag);
+        }
+    }
+
+  g_ptr_array_add (new_tags, NULL);
+
+  g_free (self->tags);
+  self->tags = (char **)g_ptr_array_free (new_tags, FALSE);
+}
+
+
 const char *
 builder_manifest_get_extension_tag (BuilderManifest *self)
 {

src/builder-manifest.h

@@ -66,6 +66,11 @@ const char *    builder_manifest_get_extension_tag (BuilderManifest *self);
 void            builder_manifest_set_default_collection_id (BuilderManifest *self,
                                                             const char      *default_collection_id);
 
+void            builder_manifest_add_tags (BuilderManifest *self,
+                                           const char      **add_tags);
+void            builder_manifest_remove_tags (BuilderManifest *self,
+                                              const char      **remove_tags);
+
 
 char **         builder_manifest_get_exclude_dirs (BuilderManifest *self);