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Implement bash completion for gsettings
This commit is contained in:
parent
795d2bf8cf
commit
025435329a
@ -590,7 +590,9 @@ gdbus_LDADD = libgio-2.0.la \
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$(top_builddir)/gobject/libgobject-2.0.la
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completiondir = $(sysconfdir)/bash_completion.d
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completion_SCRIPTS = gdbus-bash-completion.sh
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completion_SCRIPTS = \
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gdbus-bash-completion.sh \
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gsettings-bash-completion.sh
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EXTRA_DIST += $(completion_SCRIPTS)
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# ------------------------------------------------------------------------
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33
gio/gsettings-bash-completion.sh
Normal file
33
gio/gsettings-bash-completion.sh
Normal file
@ -0,0 +1,33 @@
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# Check for bash
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[ -z "$BASH_VERSION" ] && return
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####################################################################################################
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__gsettings() {
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local IFS=$'\n'
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local cur=`_get_cword :`
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local suggestions=$(gsettings complete "${COMP_LINE}" ${COMP_POINT})
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COMPREPLY=($(compgen -W "$suggestions" -- "$cur"))
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# Remove colon-word prefix from COMPREPLY items
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case "$cur" in
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*:*)
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case "$COMP_WORDBREAKS" in
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*:*)
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local colon_word=${cur%${cur##*:}}
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local i=${#COMPREPLY[*]}
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while [ $((--i)) -ge 0 ]; do
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COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
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done
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;;
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esac
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;;
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esac
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}
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####################################################################################################
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complete -o nospace -F __gsettings gsettings
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@ -21,10 +21,48 @@
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <locale.h>
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#include <gi18n.h>
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#include <gio.h>
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static gchar *
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pick_word_at (const gchar *s,
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gint cursor,
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gint *out_word_begins_at)
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{
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gint begin;
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gint end;
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if (s[0] == '\0')
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{
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if (out_word_begins_at != NULL)
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*out_word_begins_at = -1;
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return NULL;
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}
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if (g_ascii_isspace (s[cursor]) &&
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((cursor > 0 && g_ascii_isspace (s[cursor-1])) || cursor == 0))
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{
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if (out_word_begins_at != NULL)
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*out_word_begins_at = cursor;
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return g_strdup ("");
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}
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while (!g_ascii_isspace (s[cursor - 1]) && cursor > 0)
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cursor--;
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begin = cursor;
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end = begin;
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while (!g_ascii_isspace (s[end]) && s[end] != '\0')
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end++;
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if (out_word_begins_at != NULL)
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*out_word_begins_at = begin;
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return g_strndup (s + begin, end - begin);
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}
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static gint
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usage (gint *argc,
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gchar **argv[],
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@ -73,6 +111,7 @@ remove_arg (gint num, gint *argc, gchar **argv[])
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(*argc) = (*argc) - 1;
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}
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static void
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modify_argv0_for_command (gint *argc,
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gchar **argv[],
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@ -87,10 +126,86 @@ modify_argv0_for_command (gint *argc,
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(*argv)[0] = s;
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}
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static gboolean
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schema_exists (const gchar *name)
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{
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const gchar * const *schemas;
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gint i;
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schemas = g_settings_list_schemas ();
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for (i = 0; schemas[i]; i++)
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if (g_strcmp0 (name, schemas[i]) == 0)
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return TRUE;
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return FALSE;
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}
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static void
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list_schemas (const gchar *prefix)
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{
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const gchar * const *schemas;
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gint i;
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schemas = g_settings_list_schemas ();
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for (i = 0; schemas[i]; i++)
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if (prefix == NULL || g_str_has_prefix (schemas[i], prefix))
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g_print ("%s \n", schemas[i]);
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}
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static gboolean
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key_exists (GSettings *settings,
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const gchar *name)
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{
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const gchar **keys;
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gint i;
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gboolean ret;
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ret = FALSE;
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keys = g_settings_list_keys (settings);
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for (i = 0; keys[i]; i++)
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if (g_strcmp0 (keys[i], name) == 0)
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{
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ret = TRUE;
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break;
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}
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g_free (keys);
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return ret;
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}
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static void
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list_keys (GSettings *settings,
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const gchar *prefix)
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{
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const gchar **keys;
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gint i;
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keys = g_settings_list_keys (settings);
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for (i = 0; keys[i]; i++)
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if (prefix == NULL || g_str_has_prefix (keys[i], prefix))
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g_print ("%s \n", keys[i]);
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g_free (keys);
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}
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static void
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list_options (GOptionContext *context,
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const gchar *prefix)
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{
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/* FIXME extract options from context */
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const gchar *options[] = { "--help", "--path", NULL };
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gint i;
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for (i = 0; options[i]; i++)
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if (g_str_has_prefix (options[i], prefix))
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g_print ("%s \n", options[i]);
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}
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static gint
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handle_get (gint *argc,
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gchar **argv[])
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handle_get (gint *argc,
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gchar **argv[],
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gboolean request_completion,
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gchar *completion_cur,
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gchar *completion_prev)
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{
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gchar *schema;
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gchar *path;
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@ -116,41 +231,79 @@ handle_get (gint *argc,
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" KEY The name of the key\n"));
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g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
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settings = NULL;
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path = NULL;
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schema = NULL;
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key = NULL;
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error = NULL;
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if (!g_option_context_parse (context, argc, argv, NULL) || *argc != 3)
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if (!g_option_context_parse (context, argc, argv, NULL))
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{
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gchar *s;
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s = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", s);
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g_free (s);
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if (!request_completion)
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{
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gchar *s;
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s = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", s);
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g_free (s);
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goto out;
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}
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}
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if (*argc > 1)
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schema = (*argv)[1];
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if (*argc > 2)
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key = (*argv)[2];
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if (request_completion && completion_cur[0] == '-')
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{
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list_options (context, completion_cur);
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ret = 0;
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goto out;
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}
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schema = (*argv)[1];
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key = (*argv)[2];
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if (request_completion && !schema_exists (schema))
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{
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list_schemas (schema);
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ret = 0;
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goto out;
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}
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if (path)
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settings = g_settings_new_with_path (schema, path);
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else
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settings = g_settings_new (schema);
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v = g_settings_get_value (settings, key);
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g_print ("%s\n", g_variant_print (v, FALSE));
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g_variant_unref (v);
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ret = 0;
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if (request_completion && !key_exists (settings, key))
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{
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list_keys (settings, key);
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ret = 0;
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goto out;
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}
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if (!request_completion)
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{
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v = g_settings_get_value (settings, key);
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g_print ("%s\n", g_variant_print (v, FALSE));
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g_variant_unref (v);
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ret = 0;
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}
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out:
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if (settings)
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g_object_unref (settings);
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g_option_context_free (context);
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return ret;
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}
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static gint
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handle_set (gint *argc,
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gchar **argv[])
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handle_set (gint *argc,
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gchar **argv[],
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gboolean request_completion,
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gchar *completion_cur,
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gchar *completion_prev)
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{
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gchar *schema;
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gchar *path;
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@ -179,50 +332,85 @@ handle_set (gint *argc,
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" VALUE The value to set key to, as a serialized GVariant\n"));
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g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
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settings = NULL;
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path = NULL;
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schema = NULL;
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key = NULL;
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error = NULL;
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if (!g_option_context_parse (context, argc, argv, NULL) || *argc != 4)
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if (!g_option_context_parse (context, argc, argv, NULL))
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{
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gchar *s;
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s = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", s);
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g_free (s);
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if (!request_completion)
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{
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gchar *s;
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s = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", s);
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g_free (s);
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goto out;
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}
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}
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if (*argc > 1)
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schema = (*argv)[1];
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if (*argc > 2)
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key = (*argv)[2];
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if (*argc > 3)
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value = (*argv)[3];
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if (request_completion && completion_cur[0] == '-')
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{
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list_options (context, completion_cur);
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ret = 0;
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goto out;
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}
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schema = (*argv)[1];
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key = (*argv)[2];
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value = (*argv)[3];
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if (request_completion && !schema_exists (schema))
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{
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list_schemas (schema);
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ret = 0;
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goto out;
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}
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if (path)
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settings = g_settings_new_with_path (schema, path);
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else
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settings = g_settings_new (schema);
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default_v = g_settings_get_value (settings, key);
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type = g_variant_get_type (default_v);
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error = NULL;
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v = g_variant_parse (type, value, NULL, NULL, &error);
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g_variant_unref (default_v);
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if (v == NULL)
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if (request_completion && !key_exists (settings, key))
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{
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g_printerr ("%s\n", error->message);
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list_keys (settings, key);
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ret = 0;
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goto out;
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}
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if (!g_settings_set_value (settings, key, v))
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if (!request_completion)
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{
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g_printerr (_("Key %s is not writable\n"), key);
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goto out;
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}
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default_v = g_settings_get_value (settings, key);
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type = g_variant_get_type (default_v);
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g_settings_sync ();
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ret = 0;
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error = NULL;
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v = g_variant_parse (type, value, NULL, NULL, &error);
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g_variant_unref (default_v);
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if (v == NULL)
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{
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g_printerr ("%s\n", error->message);
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goto out;
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}
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if (!g_settings_set_value (settings, key, v))
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{
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g_printerr (_("Key %s is not writable\n"), key);
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goto out;
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}
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g_settings_sync ();
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ret = 0;
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}
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out:
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if (settings)
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g_object_unref (settings);
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g_option_context_free (context);
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return ret;
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@ -230,7 +418,10 @@ handle_set (gint *argc,
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static gint
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handle_writable (gint *argc,
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gchar **argv[])
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gchar **argv[],
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gboolean request_completion,
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gchar *completion_cur,
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gchar *completion_prev)
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{
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gchar *schema;
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gchar *path;
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@ -255,34 +446,68 @@ handle_writable (gint *argc,
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" KEY The name of the key\n"));
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g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
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settings = NULL;
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path = NULL;
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schema = NULL;
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key = NULL;
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error = NULL;
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if (!g_option_context_parse (context, argc, argv, NULL) || *argc != 3)
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if (!g_option_context_parse (context, argc, argv, NULL))
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{
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gchar *s;
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s = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", s);
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g_free (s);
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if (!request_completion)
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{
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gchar *s;
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s = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", s);
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g_free (s);
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goto out;
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}
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}
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if (*argc > 1)
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schema = (*argv)[1];
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if (*argc > 2)
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key = (*argv)[2];
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if (request_completion && completion_cur[0] == '-')
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{
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list_options (context, completion_cur);
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ret = 0;
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goto out;
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}
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schema = (*argv)[1];
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key = (*argv)[2];
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if (request_completion && !schema_exists (schema))
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{
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list_schemas (schema);
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ret = 0;
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goto out;
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}
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if (path)
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settings = g_settings_new_with_path (schema, path);
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else
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settings = g_settings_new (schema);
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if (g_settings_is_writable (settings, key))
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g_print ("true\n");
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else
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g_print ("false\n");
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ret = 0;
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if (request_completion && !key_exists (settings, key))
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{
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list_keys (settings, key);
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ret = 0;
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goto out;
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}
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if (!request_completion)
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{
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if (g_settings_is_writable (settings, key))
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g_print ("true\n");
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else
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g_print ("false\n");
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ret = 0;
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}
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out:
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if (settings)
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g_object_unref (settings);
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g_option_context_free (context);
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return ret;
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@ -303,8 +528,11 @@ key_changed (GSettings *settings,
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}
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static gint
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handle_monitor (gint *argc,
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gchar **argv[])
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handle_monitor (gint *argc,
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gchar **argv[],
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gboolean request_completion,
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gchar *completion_cur,
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gchar *completion_prev)
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{
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gchar *schema;
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gchar *path;
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@ -334,36 +562,71 @@ handle_monitor (gint *argc,
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" KEY The name of the key\n"));
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g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
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settings = NULL;
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path = NULL;
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schema = NULL;
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key = NULL;
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error = NULL;
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if (!g_option_context_parse (context, argc, argv, NULL) || *argc != 3)
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if (!g_option_context_parse (context, argc, argv, NULL))
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{
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gchar *s;
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s = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", s);
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g_free (s);
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if (!request_completion)
|
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{
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gchar *s;
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s = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", s);
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g_free (s);
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goto out;
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}
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}
|
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|
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if (*argc > 1)
|
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schema = (*argv)[1];
|
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if (*argc > 2)
|
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key = (*argv)[2];
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|
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if (request_completion && completion_cur[0] == '-')
|
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{
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list_options (context, completion_cur);
|
||||
ret = 0;
|
||||
goto out;
|
||||
}
|
||||
|
||||
schema = (*argv)[1];
|
||||
key = (*argv)[2];
|
||||
if (request_completion && !schema_exists (schema))
|
||||
{
|
||||
list_schemas (schema);
|
||||
ret = 0;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (path)
|
||||
settings = g_settings_new_with_path (schema, path);
|
||||
else
|
||||
settings = g_settings_new (schema);
|
||||
|
||||
detailed_signal = g_strdup_printf ("changed::%s", key);
|
||||
g_signal_connect (settings, detailed_signal,
|
||||
G_CALLBACK (key_changed), NULL);
|
||||
if (request_completion && !key_exists (settings, key))
|
||||
{
|
||||
list_keys (settings, key);
|
||||
ret = 0;
|
||||
goto out;
|
||||
}
|
||||
|
||||
loop = g_main_loop_new (NULL, FALSE);
|
||||
g_main_loop_run (loop);
|
||||
g_main_loop_unref (loop);
|
||||
if (!request_completion)
|
||||
{
|
||||
detailed_signal = g_strdup_printf ("changed::%s", key);
|
||||
g_signal_connect (settings, detailed_signal,
|
||||
G_CALLBACK (key_changed), NULL);
|
||||
|
||||
loop = g_main_loop_new (NULL, FALSE);
|
||||
g_main_loop_run (loop);
|
||||
g_main_loop_unref (loop);
|
||||
ret = 0;
|
||||
}
|
||||
|
||||
out:
|
||||
if (settings)
|
||||
g_object_unref (settings);
|
||||
|
||||
g_option_context_free (context);
|
||||
|
||||
return ret;
|
||||
@ -371,29 +634,106 @@ handle_monitor (gint *argc,
|
||||
int
|
||||
main (int argc, char *argv[])
|
||||
{
|
||||
gboolean ret = 1;
|
||||
gboolean ret;
|
||||
gchar *command;
|
||||
gboolean request_completion;
|
||||
gchar *completion_cur;
|
||||
gchar *completion_prev;
|
||||
|
||||
setlocale (LC_ALL, "");
|
||||
|
||||
g_type_init ();
|
||||
|
||||
ret = 1;
|
||||
completion_cur = NULL;
|
||||
completion_prev = NULL;
|
||||
request_completion = FALSE;
|
||||
|
||||
if (argc < 2)
|
||||
ret = usage (&argc, &argv, FALSE);
|
||||
else if (g_strcmp0 (argv[1], "help") == 0)
|
||||
ret = usage (&argc, &argv, TRUE);
|
||||
else if (g_strcmp0 (argv[1], "get") == 0)
|
||||
ret = handle_get (&argc, &argv);
|
||||
else if (g_strcmp0 (argv[1], "set") == 0)
|
||||
ret = handle_set (&argc, &argv);
|
||||
else if (g_strcmp0 (argv[1], "monitor") == 0)
|
||||
ret = handle_monitor (&argc, &argv);
|
||||
else if (g_strcmp0 (argv[1], "writable") == 0)
|
||||
ret = handle_writable (&argc, &argv);
|
||||
{
|
||||
ret = usage (&argc, &argv, FALSE);
|
||||
goto out;
|
||||
}
|
||||
|
||||
again:
|
||||
command = argv[1];
|
||||
|
||||
if (g_strcmp0 (command, "help") == 0)
|
||||
{
|
||||
if (!request_completion)
|
||||
ret = usage (&argc, &argv, TRUE);
|
||||
}
|
||||
else if (g_strcmp0 (command, "get") == 0)
|
||||
ret = handle_get (&argc, &argv, request_completion, completion_cur, completion_prev);
|
||||
else if (g_strcmp0 (command, "set") == 0)
|
||||
ret = handle_set (&argc, &argv, request_completion, completion_cur, completion_prev);
|
||||
else if (g_strcmp0 (command, "monitor") == 0)
|
||||
ret = handle_monitor (&argc, &argv, request_completion, completion_cur, completion_prev);
|
||||
else if (g_strcmp0 (command, "writable") == 0)
|
||||
ret = handle_writable (&argc, &argv, request_completion, completion_cur, completion_prev);
|
||||
else if (g_strcmp0 (command, "complete") == 0 && argc == 4 && !request_completion)
|
||||
{
|
||||
gchar *completion_line;
|
||||
gint completion_point;
|
||||
gchar *endp;
|
||||
gchar **completion_argv;
|
||||
gint completion_argc;
|
||||
gint cur_begin;
|
||||
|
||||
request_completion = TRUE;
|
||||
|
||||
completion_line = argv[2];
|
||||
completion_point = strtol (argv[3], &endp, 10);
|
||||
if (endp == argv[3] || *endp != '\0')
|
||||
goto out;
|
||||
|
||||
if (!g_shell_parse_argv (completion_line,
|
||||
&completion_argc,
|
||||
&completion_argv,
|
||||
NULL))
|
||||
{
|
||||
/* can't parse partical cmdline, don't attempt completion */
|
||||
goto out;
|
||||
}
|
||||
|
||||
completion_prev = NULL;
|
||||
completion_cur = pick_word_at (completion_line, completion_point, &cur_begin);
|
||||
if (cur_begin > 0)
|
||||
{
|
||||
gint prev_end;
|
||||
for (prev_end = cur_begin - 1; prev_end >= 0; prev_end--)
|
||||
{
|
||||
if (!g_ascii_isspace (completion_line[prev_end]))
|
||||
{
|
||||
completion_prev = pick_word_at (completion_line, prev_end, NULL);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
argc = completion_argc;
|
||||
argv = completion_argv;
|
||||
|
||||
ret = 0;
|
||||
goto again;
|
||||
}
|
||||
else
|
||||
{
|
||||
g_printerr (_("Unknown command '%s'\n"), argv[1]);
|
||||
ret = usage (&argc, &argv, FALSE);
|
||||
if (request_completion)
|
||||
{
|
||||
g_print ("help \nget \nmonitor \nwritable \nset \n");
|
||||
ret = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
g_printerr (_("Unknown command '%s'\n"), argv[1]);
|
||||
ret = usage (&argc, &argv, FALSE);
|
||||
}
|
||||
}
|
||||
|
||||
out:
|
||||
g_free (completion_cur);
|
||||
g_free (completion_prev);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user