[gitg] Added gitg-config test tool

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 7a21dba6d9f3c5b22d13f9dd45d2ca83cc86645b
Author: Jesse van den Kieboom <jesse vandenkieboom epfl ch>
Date:   Sat Jan 8 14:01:52 2011 +0100

    Added gitg-config test tool

 tools/Makefile.am   |    6 ++-
 tools/gitg-config.c |  159 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 164 insertions(+), 1 deletions(-)
---
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 9c6e256..7ec0d22 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -3,8 +3,12 @@ INCLUDES = -g -I$(top_srcdir) -I$(top_srcdir)/gitg -I$(top_srcdir)/libgitg $(GIT
 noinst_PROGRAMS = $(TOOLS_PROGS)
 tools_ldadd     = $(top_builddir)/libgitg/libgitg-1.0.la
 
-TOOLS_PROGS			= gitg-shell
+TOOLS_PROGS			= gitg-shell gitg-config
+
 gitg_shell_SOURCES		= gitg-shell.c
 gitg_shell_LDADD		= $(tools_ldadd)
 
+gitg_config_SOURCES		= gitg-config.c
+gitg_config_LDADD		= $(tools_ldadd)
+
 -include $(top_srcdir)/git.mk
diff --git a/tools/gitg-config.c b/tools/gitg-config.c
new file mode 100644
index 0000000..95c9516
--- /dev/null
+++ b/tools/gitg-config.c
@@ -0,0 +1,159 @@
+#include <glib.h>
+#include <stdlib.h>
+#include <libgitg/gitg-config.h>
+#include <libgitg/gitg-debug.h>
+
+static gchar *repository_path = NULL;
+static gboolean global = FALSE;
+static gboolean regex = FALSE;
+
+static GOptionEntry entries[] =
+{
+	{ "repository", 'r', 0, G_OPTION_ARG_FILENAME, &repository_path, "Repository path" },
+	{ "global", 'g', 0, G_OPTION_ARG_NONE, &global, "Use the global configuration" },
+	{ "regex", 'r', 0, G_OPTION_ARG_NONE, &regex, "Config name is a regular expression" },
+	{ NULL }
+};
+
+static GFile *
+find_git_dir (GFile *work_tree)
+{
+	GFile *ret;
+
+	work_tree = g_file_dup (work_tree);
+
+	while (work_tree)
+	{
+		ret = g_file_get_child (work_tree, ".git");
+
+		if (g_file_query_exists (ret, NULL))
+		{
+			g_object_unref (work_tree);
+			return ret;
+		}
+		else
+		{
+			GFile *tmp;
+
+			tmp = g_file_get_parent (work_tree);
+			g_object_unref (work_tree);
+
+			work_tree = tmp;
+		}
+	}
+
+	return NULL;
+}
+
+static void
+parse_options (int *argc,
+               char ***argv)
+{
+	GError *error = NULL;
+	GOptionContext *context;
+
+	context = g_option_context_new ("- git config tool");
+
+	g_option_context_set_ignore_unknown_options (context, TRUE);
+	g_option_context_add_main_entries (context, entries, "gitg");
+
+	if (!g_option_context_parse (context, argc, argv, &error))
+	{
+		g_print ("option parsing failed: %s\n", error->message);
+		g_error_free (error);
+
+		exit (1);
+	}
+
+	g_option_context_free (context);
+}
+
+int
+main (int argc, char *argv[])
+{
+	GitgRepository *repository = NULL;
+	GMainLoop *loop;
+	GError *error = NULL;
+	GitgConfig *config;
+	gint i;
+
+	g_type_init ();
+
+	parse_options (&argc, &argv);
+
+	gitg_debug_init ();
+
+	if (argc == 1)
+	{
+		g_print ("Please specify a config name...\n");
+		return 1;
+	}
+
+	if (!global)
+	{
+		GFile *work_tree;
+		GFile *git_dir;
+
+		if (!repository_path)
+		{
+			gchar *path;
+			GFile *file;
+
+			path = g_get_current_dir ();
+			file = g_file_new_for_path (path);
+
+			git_dir = find_git_dir (file);
+			g_free (path);
+			g_object_unref (file);
+
+			if (git_dir)
+			{
+				work_tree = g_file_get_parent (git_dir);
+			}
+		}
+		else
+		{
+			work_tree = g_file_new_for_commandline_arg (repository_path);
+			git_dir = find_git_dir (work_tree);
+		}
+
+		if (!git_dir)
+		{
+			g_print ("Could not find git dir...\n");
+			return 1;
+		}
+
+		repository = gitg_repository_new (git_dir, work_tree);
+
+		g_object_unref (work_tree);
+		g_object_unref (git_dir);
+	}
+
+	config = gitg_config_new (repository);
+
+	/* Create commands */
+	for (i = 1; i < argc; ++i)
+	{
+		gchar *ret;
+
+		if (regex)
+		{
+			ret = gitg_config_get_value_regex (config, argv[i], NULL);
+		}
+		else
+		{
+			ret = gitg_config_get_value (config, argv[i]);
+		}
+
+		g_print ("%s = %s\n", argv[i], ret);
+	}
+
+	if (repository)
+	{
+		g_object_unref (repository);
+	}
+
+	g_object_unref (config);
+
+	return 0;
+}