[PATCH v4 01/16] mkeficapsule: Add a --version argument

[Simon Glass]

Tools should have an option to obtain the version, so add this to the
mkeficapsule tool.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 doc/mkeficapsule.1   | 4 ++++
 tools/mkeficapsule.c | 8 +++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/doc/mkeficapsule.1 b/doc/mkeficapsule.1
index c4c2057d5c7..c3d0f21488a 100644
--- a/doc/mkeficapsule.1
+++ b/doc/mkeficapsule.1
@@ -87,6 +87,10 @@ Generate a firmware revert empty capsule
 .BI "-o\fR,\fB --capoemflag "
 Capsule OEM flag, value between 0x0000 to 0xffff
 
+.TP
+.BR -V ", " --version
+Print version information and exit.
+
 .TP
 .BR -h ", " --help
 Print a help message
diff --git a/tools/mkeficapsule.c b/tools/mkeficapsule.c
index 6a261ff549d..c112ae2de8d 100644
--- a/tools/mkeficapsule.c
+++ b/tools/mkeficapsule.c
@@ -21,6 +21,8 @@
 #include <gnutls/pkcs7.h>
 #include <gnutls/abstract.h>
 
+#include <version.h>
+
 #include "eficapsule.h"
 
 static const char *tool_name = "mkeficapsule";
@@ -28,7 +30,7 @@ static const char *tool_name = "mkeficapsule";
 efi_guid_t efi_guid_fm_capsule = EFI_FIRMWARE_MANAGEMENT_CAPSULE_ID_GUID;
 efi_guid_t efi_guid_cert_type_pkcs7 = EFI_CERT_TYPE_PKCS7_GUID;
 
-static const char *opts_short = "g:i:I:v:p:c:m:o:dhARD";
+static const char *opts_short = "g:i:I:v:p:c:m:o:dhARDV";
 
 enum {
 	CAPSULE_NORMAL_BLOB = 0,
@@ -70,6 +72,7 @@ static void print_usage(void)
 		"\t-R, --fw-revert  firmware revert capsule, takes no GUID, no image blob\n"
 		"\t-o, --capoemflag Capsule OEM Flag, an integer between 0x0000 and 0xffff\n"
 		"\t-D, --dump-capsule          dump the contents of the capsule headers\n"
+		"\t-V, --version               show version number\n"
 		"\t-h, --help                  print a help message\n",
 		tool_name);
 }
@@ -969,6 +972,9 @@ int main(int argc, char **argv)
 		case 'D':
 			capsule_dump = true;
 			break;
+		case 'V':
+			printf("mkeficapsule version %s\n", PLAIN_VERSION);
+			exit(EXIT_SUCCESS);
 		default:
 			print_usage();
 			exit(EXIT_SUCCESS);
-- 
2.34.1