all: add universal version

instead of having a placeholder version command, it is now read from a #define in `lib/version.h`

lib/version.h

@@ -0,0 +1 @@
+#define DRAKECU_VERSION "0.0.1"

src/arch.c

@@ -5,6 +5,8 @@
 #include <pwd.h>
 #include <sys/utsname.h>
 
+#include "version.h"
+
 /*
 arch - prints the current machine's architecture
 Available arguments:
@@ -25,7 +27,9 @@ int main(int argc, char** argv) {
 			printf(" ");*/
 			if (!strcmp(arg, "--help")) {
 				char* help = 
-					"Drake's Epic Coreutils (working title)\n"
+					"Drake's Epic Coreutils (working title) "
+					DRAKECU_VERSION
+					"\n"
 					"arch - prints the current machine's architecture\n"
 					"Available arguments:\n"
 					"	--help: show this help message\n"
@@ -33,7 +37,7 @@ int main(int argc, char** argv) {
 				printf("%s\n", help);
 				return 0;
 			} else if (!strcmp(arg, "--version")) {
-				printf("6.9.69\n");
+				printf(DRAKECU_VERSION);
 				return 0;
 			}
 		}

src/ls.c

@@ -10,6 +10,7 @@
 #include <sys/types.h>
 
 #include "ansi-colour.h"
+#include "version.h"
 
 /*
 ls - print all files and directories in working directory
@@ -57,7 +58,9 @@ int main(int argc, char** argv) {
 		printf(" ");*/
 		if (!strcmp(arg, "--help")) {
 			char* help = 
-				"Drake's Epic Coreutils (working title)\n"
+				"Drake's Epic Coreutils (working title) "
+				DRAKECU_VERSION
+				"\n"
 				"ls - print all files and directories in working directory\n"
 				"Available arguments:\n"
 				"	--help:        show this help message\n"
@@ -68,7 +71,7 @@ int main(int argc, char** argv) {
 			printf("%s\n", help);
 			return 0;
 		} else if (!strcmp(arg, "--version")) {
-			printf("6.9.69\n");
+			printf(DRAKECU_VERSION);
 			return 0;
 		} else if (!strcmp(arg, "--color") || !strcmp(arg, "--colour")) {
 			colour  = true;

src/whoami.c

@@ -4,6 +4,8 @@
 #include <sys/types.h>
 #include <pwd.h>
 
+#include "version.h"
+
 /*
 whoami - prints the working user's username (unless --uid is specified)
 Available arguments:
@@ -25,7 +27,9 @@ int main(int argc, char** argv) {
 			printf(" ");*/
 			if (!strcmp(arg, "--help")) {
 				char* help = 
-					"Drake's Epic Coreutils (working title)\n"
+					"Drake's Epic Coreutils (working title) "
+					DRAKECU_VERSION
+					"\n"
 					"whoami - prints the working user's username (unless --uid is specified)\n"
 					"Available arguments:\n"
 					"	--help: show this help message\n"
@@ -34,7 +38,7 @@ int main(int argc, char** argv) {
 				printf("%s\n", help);
 				return 0;
 			} else if (!strcmp(arg, "--version")) {
-				printf("6.9.69\n");
+				printf(DRAKECU_VERSION);
 				return 0;
 			} else if (!strcmp(arg, "--uid")) {
 				printf("%lu\n", (unsigned long int)userid);