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gsettings-tool: allow specifying custom schema dirs
It happens that one wants to customize settings for plugins or shell extensions, that installing schemas in nonstandard locations. This patch adds the --schemadir option to gsettings, and ensure that the appropriate schema is found. https://bugzilla.gnome.org/show_bug.cgi?id=666415
This commit is contained in:
Giovanni Campagna
Ryan Lortie
parent
f59acb55c1
commit
466432830c
@ -5,44 +5,61 @@
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####################################################################################################
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__gsettings() {
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local choices
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local choices coffset schemadir
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case "${COMP_CWORD}" in
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if [ ${COMP_CWORD} -gt 2 ]; then
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if [ ${COMP_WORDS[1]} = --schemadir ]; then
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# this complexity is needed to perform correct tilde expansion
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schemadir=$(eval "echo --schemadir ${COMP_WORDS[2]}")
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coffset=2
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else
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coffset=0
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fi
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else
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coffset=0
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fi
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case "$((${COMP_CWORD}-$coffset))" in
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1)
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choices=$'help \nlist-schemas\nlist-relocatable-schemas\nlist-keys \nlist-children \nlist-recursively \nget \nrange \nset \nreset \nwritable \nmonitor'
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choices=$'--schemadir\nhelp \nlist-schemas\nlist-relocatable-schemas\nlist-keys \nlist-children \nlist-recursively \nget \nrange \nset \nreset \nwritable \nmonitor'
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;;
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2)
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case "${COMP_WORDS[1]}" in
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case "${COMP_WORDS[$(($coffset+1))]}" in
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--schemadir)
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COMPREPLY=($(compgen -o dirnames -- ${COMP_WORDS[${COMP_CWORD}]}))
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return 0
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;;
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help)
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choices=$'list-schemas\nlist-relocatable-schemas\nlist-keys\nlist-children\nlist-recursively\nget\nrange\nset\nreset\nwritable\nmonitor'
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;;
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list-keys|list-children|list-recursively)
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choices="$(gsettings list-schemas)"$'\n'"$(gsettings list-relocatable-schemas | sed -e 's.$.:/.')"
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choices="$(gsettings $schemadir list-schemas)"$'\n'"$(gsettings $schemadir list-relocatable-schemas | sed -e 's.$.:/.')"
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;;
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get|range|set|reset|writable|monitor)
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choices="$(gsettings list-schemas | sed -e 's.$. .')"$'\n'"$(gsettings list-relocatable-schemas | sed -e 's.$.:/.')"
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choices="$(gsettings $schemadir list-schemas | sed -e 's.$. .')"$'\n'"$(gsettings $schemadir list-relocatable-schemas | sed -e 's.$.:/.')"
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;;
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esac
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;;
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3)
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case "${COMP_WORDS[1]}" in
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case "${COMP_WORDS[$(($coffset+1))]}" in
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set)
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choices="$(gsettings list-keys ${COMP_WORDS[2]} 2> /dev/null | sed -e 's.$. .')"
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choices="$(gsettings $schemadir list-keys ${COMP_WORDS[$(($coffset+2))]} 2> /dev/null | sed -e 's.$. .')"
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;;
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get|range|reset|writable|monitor)
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choices="$(gsettings list-keys ${COMP_WORDS[2]} 2> /dev/null)"
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choices="$(gsettings $schemadir list-keys ${COMP_WORDS[$(($coffset+2))]} 2> /dev/null)"
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;;
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esac
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;;
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4)
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case "${COMP_WORDS[1]}" in
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case "${COMP_WORDS[$(($coffset+2))]}" in
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set)
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range=($(gsettings range ${COMP_WORDS[2]} ${COMP_WORDS[3]} 2> /dev/null))
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range=($(gsettings $schemadir range ${COMP_WORDS[$(($coffset+2))]} ${COMP_WORDS[$(($coffset+3))]} 2> /dev/null))
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case "${range[0]}" in
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enum)
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unset range[0]
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@ -59,7 +76,7 @@ __gsettings() {
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esac
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local IFS=$'\n'
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COMPREPLY=($(compgen -W "${choices}" "${COMP_WORDS[$COMP_CWORD]}"))
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COMPREPLY=($(compgen -W "${choices}" -- "${COMP_WORDS[${COMP_CWORD}]}"))
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}
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####################################################################################################
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@ -39,49 +39,51 @@ contained (const gchar * const *items,
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}
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static gboolean
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is_schema (const gchar *schema)
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is_relocatable_schema (GSettingsSchema *schema)
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{
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return contained (g_settings_list_schemas (), schema);
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return g_settings_schema_get_path (schema) == NULL;
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}
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static gboolean
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is_relocatable_schema (const gchar *schema)
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check_relocatable_schema (GSettingsSchema *schema,
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const gchar *schema_id)
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{
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return contained (g_settings_list_relocatable_schemas (), schema);
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if (schema == NULL)
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{
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g_printerr (_("No such schema '%s'\n"), schema_id);
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return FALSE;
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}
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if (!is_relocatable_schema (schema))
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{
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g_printerr (_("Schema '%s' is not relocatable "
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"(path must not be specified)\n"),
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schema_id);
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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check_relocatable_schema (const gchar *schema)
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check_schema (GSettingsSchema *schema,
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const gchar *schema_id)
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{
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if (is_relocatable_schema (schema))
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return TRUE;
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if (is_schema (schema))
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g_printerr (_("Schema '%s' is not relocatable "
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"(path must not be specified)\n"),
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schema);
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else
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g_printerr (_("No such schema '%s'\n"), schema);
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return FALSE;
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}
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static gboolean
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check_schema (const gchar *schema)
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{
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if (is_schema (schema))
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return TRUE;
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if (schema == NULL)
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{
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g_printerr (_("No such schema '%s'\n"), schema_id);
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return FALSE;
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}
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if (is_relocatable_schema (schema))
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g_printerr (_("Schema '%s' is relocatable "
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"(path must be specified)\n"),
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schema);
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{
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g_printerr (_("Schema '%s' is relocatable "
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"(path must be specified)\n"),
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schema_id);
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return FALSE;
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}
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else
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g_printerr (_("No such schema '%s'\n"), schema);
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return FALSE;
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return TRUE;
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}
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static gboolean
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@ -187,22 +189,22 @@ gsettings_list_children (GSettings *settings,
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for (i = 0; children[i]; i++)
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{
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GSettings *child;
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gchar *schema;
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GSettingsSchema *schema;
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gchar *path;
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child = g_settings_get_child (settings, children[i]);
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g_object_get (child,
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"schema", &schema,
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"settings-schema", &schema,
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"path", &path,
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NULL);
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if (is_schema (schema))
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g_print ("%-*s %s\n", max, children[i], schema);
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if (g_settings_schema_get_path (schema) != NULL)
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g_print ("%-*s %s\n", max, children[i], g_settings_schema_get_id (schema));
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else
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g_print ("%-*s %s:%s\n", max, children[i], schema, path);
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g_print ("%-*s %s:%s\n", max, children[i], g_settings_schema_get_id (schema), path);
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g_object_unref (child);
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g_free (schema);
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g_settings_schema_unref (schema);
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g_free (path);
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}
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@ -250,16 +252,15 @@ gsettings_list_recursively (GSettings *settings,
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for (i = 0; children[i]; i++)
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{
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GSettings *child;
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gchar *schema;
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GSettingsSchema *schema;
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child = g_settings_get_child (settings, children[i]);
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g_object_get (child, "schema", &schema, NULL);
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g_object_get (child, "settings-schema", &schema, NULL);
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if (is_schema (schema))
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enumerate (child);
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enumerate (child);
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g_object_unref (child);
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g_free (schema);
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g_settings_schema_unref (schema);
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}
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g_strfreev (children);
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@ -387,16 +388,11 @@ gsettings_reset_recursively (GSettings *settings,
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for (i = 0; children[i]; i++)
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{
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GSettings *child;
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gchar *schema;
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child = g_settings_get_child (settings, children[i]);
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g_object_get (child, "schema", &schema, NULL);
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if (is_schema (schema))
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reset_all_keys (child);
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reset_all_keys (child);
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g_object_unref (child);
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g_free (schema);
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}
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g_strfreev (children);
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@ -619,7 +615,7 @@ gsettings_help (gboolean requested,
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{
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g_string_append (string,
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_("Usage:\n"
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" gsettings COMMAND [ARGS...]\n"
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" gsettings [--schemadir SCHEMADIR] COMMAND [ARGS...]\n"
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"\n"
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"Commands:\n"
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" help Show this information\n"
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@ -640,36 +636,36 @@ gsettings_help (gboolean requested,
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}
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else
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{
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g_string_append_printf (string, _("Usage:\n gsettings %s %s\n\n%s\n\n"),
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g_string_append_printf (string, _("Usage:\n gsettings [--schemadir SCHEMADIR] %s %s\n\n%s\n\n"),
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command, synopsis[0] ? _(synopsis) : "", description);
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if (synopsis[0])
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{
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g_string_append (string, _("Arguments:\n"));
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g_string_append (string, _("Arguments:\n"));
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if (strstr (synopsis, "[COMMAND]"))
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g_string_append (string,
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_(" COMMAND The (optional) command to explain\n"));
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g_string_append (string,
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_(" SCHEMADIR A directory to search for additional schemas\n"));
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else if (strstr (synopsis, "SCHEMA"))
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g_string_append (string,
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_(" SCHEMA The name of the schema\n"
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" PATH The path, for relocatable schemas\n"));
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if (strstr (synopsis, "[COMMAND]"))
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g_string_append (string,
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_(" COMMAND The (optional) command to explain\n"));
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if (strstr (synopsis, "[KEY]"))
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g_string_append (string,
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_(" KEY The (optional) key within the schema\n"));
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else if (strstr (synopsis, "SCHEMA"))
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g_string_append (string,
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_(" SCHEMA The name of the schema\n"
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" PATH The path, for relocatable schemas\n"));
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else if (strstr (synopsis, "KEY"))
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g_string_append (string,
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_(" KEY The key within the schema\n"));
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if (strstr (synopsis, "[KEY]"))
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g_string_append (string,
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_(" KEY The (optional) key within the schema\n"));
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if (strstr (synopsis, "VALUE"))
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g_string_append (string,
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_(" VALUE The value to set\n"));
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else if (strstr (synopsis, "KEY"))
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g_string_append (string,
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_(" KEY The key within the schema\n"));
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g_string_append (string, "\n");
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}
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if (strstr (synopsis, "VALUE"))
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g_string_append (string,
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_(" VALUE The value to set\n"));
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g_string_append (string, "\n");
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}
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if (requested)
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@ -687,6 +683,8 @@ int
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main (int argc, char **argv)
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{
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void (* function) (GSettings *, const gchar *, const gchar *);
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GSettingsSchemaSource *schema_source;
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GSettingsSchema *schema;
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GSettings *settings;
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const gchar *key;
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@ -713,7 +711,30 @@ main (int argc, char **argv)
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if (argc < 2)
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return gsettings_help (FALSE, NULL);
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else if (strcmp (argv[1], "help") == 0)
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schema_source = g_settings_schema_source_ref (g_settings_schema_source_get_default ());
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if (argc > 3 && g_str_equal (argv[1], "--schemadir"))
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{
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GSettingsSchemaSource *parent = schema_source;
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GError *error = NULL;
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schema_source = g_settings_schema_source_new_from_directory (argv[2], parent, FALSE, &error);
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g_settings_schema_source_unref (parent);
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if (schema_source == NULL)
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{
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g_printerr ("Could not load schemas from %s: %s\n", argv[2], error->message);
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g_clear_error (&error);
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return 1;
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}
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/* shift remaining arguments (not correct wrt argv[0], but doesn't matter) */
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argv = argv + 2;
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argc -= 2;
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}
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if (strcmp (argv[1], "help") == 0)
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return gsettings_help (TRUE, argv[2]);
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else if (argc == 2 && strcmp (argv[1], "list-schemas") == 0)
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@ -769,25 +790,29 @@ main (int argc, char **argv)
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parts = g_strsplit (argv[2], ":", 2);
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schema = g_settings_schema_source_lookup (schema_source, parts[0], TRUE);
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if (parts[1])
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{
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if (!check_relocatable_schema (parts[0]) || !check_path (parts[1]))
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if (!check_relocatable_schema (schema, parts[0]) || !check_path (parts[1]))
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return 1;
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settings = g_settings_new_with_path (parts[0], parts[1]);
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settings = g_settings_new_full (schema, NULL, parts[1]);
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}
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else
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{
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if (!check_schema (parts[0]))
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if (!check_schema (schema, parts[0]))
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return 1;
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settings = g_settings_new (parts[0]);
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settings = g_settings_new_full (schema, NULL, NULL);
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}
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g_strfreev (parts);
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}
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else
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settings = NULL;
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{
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settings = NULL;
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schema = NULL;
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}
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if (argc > 3)
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{
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@ -803,6 +828,10 @@ main (int argc, char **argv)
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if (settings != NULL)
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g_object_unref (settings);
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if (schema != NULL)
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g_settings_schema_unref (schema);
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g_settings_schema_source_unref (schema_source);
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return 0;
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}
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