--version command line flag to print the version number

draios · Aug 20, 2014 · 85b44be · 85b44be
1 parent 29bb6b8
commit 85b44be
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diff --git a/userspace/sysdig/man/sysdig.8 b/userspace/sysdig/man/sysdig.8
@@ -327,6 +327,12 @@ and exit.
 .PD
 Verbose output.
 .PP
+\f[B]\-\-version\f[]
+.PD 0
+.P
+.PD
+Print version number.
+.PP
 \f[B]\-w\f[] \f[I]writefile\f[], \f[B]\-\-write\f[]=\f[I]writefile\f[]
 .PD 0
 .P

diff --git a/userspace/sysdig/man/sysdig.md b/userspace/sysdig/man/sysdig.md
@@ -142,6 +142,9 @@ OPTIONS
 **-v**, **--verbose**  
   Verbose output.
 
+**--version**  
+  Print version number.
+
 **-w** _writefile_, **--write**=_writefile_  
   Write the captured events to _writefile_.
 

diff --git a/userspace/sysdig/sysdig.cpp b/userspace/sysdig/sysdig.cpp
@@ -167,6 +167,7 @@ static void usage()
 "                    epoch, r for relative time from the beginning of the\n"
 "                    capture, and d for delta between event enter and exit.\n"
 " -v, --verbose      Verbose output.\n"
+" --version          Print version number.\n"
 " -w <writefile>, --write=<writefile>\n"
 "                    Write the captured events to <writefile>.\n"
 #ifndef DISABLE_CGW
@@ -695,6 +696,7 @@ sysdig_init_res sysdig_init(int argc, char **argv)
 		{"summary", no_argument, 0, 'S' },
 		{"timetype", required_argument, 0, 't' },
 		{"verbose", no_argument, 0, 'v' },
+		{"version", no_argument, 0, 0 },
 		{"writefile", required_argument, 0, 'w' },
 #ifndef DISABLE_CGW
 		{"limit", required_argument, 0, 'W' },
@@ -992,6 +994,13 @@ sysdig_init_res sysdig_init(int argc, char **argv)
 			default:
 				break;
 			}
+
+			if(string(long_options[long_index].name) == "version")
+			{
+				printf("sysdig version %s\n", SYSDIG_VERSION);
+				delete inspector;
+				return sysdig_init_res(EXIT_SUCCESS);
+			}
 		}
 
 		inspector->set_buffer_format(event_buffer_format);