Add info command to show OS version and URLs

Fixes #218.

Signed-off-by: Caio Marcelo de Oliveira Filho <[email protected]>

Makefile.am

@@ -17,7 +17,8 @@ swupd_SOURCES = \
 	$(clr_bundle_rm_SOURCES) \
 	$(clr_bundle_ls_SOURCES) \
 	$(swupd_autoupdate_SOURCES) \
-	$(swupd_search_SOURCES)
+	$(swupd_search_SOURCES) \
+	$(swupd_info_SOURCES)
 
 SWUPD_COMMON_SOURCES = \
 	src/archives.c \
@@ -66,6 +67,7 @@ clr_bundle_rm_SOURCES = src/clr_bundle_rm.c
 clr_bundle_ls_SOURCES = src/clr_bundle_ls.c
 
 swupd_hashdump_SOURCES = src/hashdump.c
+swupd_info_SOURCES = src/info.c
 
 AM_CPPFLAGS = $(AM_CFLAGS) $(libarchive_CFLAGS) -I$(top_srcdir)/include
 SWUPD_COMPRESSION_LIBS = $(lzma_LIBS) $(zlib_LIBS) $(bzip2_LIBS)

docs/swupd.1

@@ -459,6 +459,13 @@ Matches nothing, because paths are never empty.
 .UNINDENT
 .UNINDENT
 .UNINDENT
+.sp
+\fBinfo\fP
+.INDENT 0.0
+.INDENT 3.5
+Shows the current OS version and the URLs used for updates.
+.UNINDENT
+.UNINDENT
 .SH EXIT STATUS
 .sp
 On success, 0 is returned. A non\-zero return code signals a failure.

docs/swupd.1.rst

@@ -323,6 +323,10 @@ SUBCOMMANDS
 
             Matches nothing, because paths are never empty.
 
+``info``
+
+    Shows the current OS version and the URLs used for updates.
+
 
 EXIT STATUS
 ===========

include/swupd-internal.h

@@ -10,5 +10,6 @@ extern int update_main(int argc, char **argv);
 extern int verify_main(int argc, char **argv);
 extern int check_update_main(int argc, char **argv);
 extern int search_main(int argc, char **argv);
+extern int info_main(int argc, char **argv);
 
 #endif

src/info.c

@@ -0,0 +1,42 @@
+/*
+ *   Software Updater - client side
+ *
+ *      Copyright © 2018 Intel Corporation.
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, version 2 or later of the License.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+
+#include "swupd.h"
+
+int info_main(int UNUSED_PARAM argc, char UNUSED_PARAM **argv)
+{
+	int current_version;
+
+	copyright_header("info");
+
+	if (!init_globals()) {
+		return EINIT_GLOBALS;
+	}
+
+	current_version = get_current_version(path_prefix);
+	printf("Installed version: %d\n", current_version);
+	printf("Version URL:       %s\n", version_url);
+	printf("Content URL:       %s\n", content_url);
+
+	free_globals();
+	return 0;
+}

src/swupd.c

@@ -43,6 +43,7 @@ static struct subcmd commands[] = {
 	{ "verify", "Verify content for OS version", verify_main },
 	{ "check-update", "Check if a new OS version is available", check_update_main },
 	{ "search", "Search Clear Linux for a binary or library", search_main },
+	{ "info", "Show the version and the update URLs", info_main },
 	{ 0 }
 };