Add widely available cmatrix as locker fallback

README.md

@@ -133,7 +133,7 @@ It runs on Linux, macOS, Raspberry Pi, BSD, Cygwin, Linux subsystem for Windows
 | mediainfo / exiftool | if needed | multimedia file details |
 | trash-cli | optional | trash files (default action: delete) |
 | sshfs, fusermount(3) | if needed | mount, unmount over SSHFS |
-| vlock (Linux), bashlock (macOS), lock(1) (BSD) | optional | terminal locker (fallback: [pipes.sh](https://github.com/pipeseroni/pipes.sh)) |
+| vlock (Linux), bashlock (macOS), lock(1) (BSD) | optional | terminal locker (fallback: [cmatrix](https://github.com/abishekvashok/cmatrix)) |
 | advcpmv (Linux) ([integration](https://github.com/jarun/nnn/wiki/hacking-nnn#show-cp-mv-progress)) | optional | copy, move progress |
 | `$VISUAL` (else `$EDITOR`), `$PAGER`, `$SHELL` | optional | fallback vi, less, sh |
 

src/nnn.c

@@ -334,7 +334,7 @@ static char g_tmpfpath[TMP_LEN_MAX] __attribute__ ((aligned));
 #define ATOOL 3
 #define BSDTAR 4
 #define LOCKER 5
-#define PIPES 6
+#define CMATRIX 6
 #define NLAUNCH 7
 #define UNKNOWN 8
 
@@ -358,7 +358,7 @@ static char * const utils[] = {
 #else
 	"vlock",
 #endif
-	"pipes.sh",
+	"cmatrix",
 	"nlaunch",
 	"UNKNOWN"
 };
@@ -2627,7 +2627,7 @@ static void lock_terminal(void)
 {
 	char *tmp = utils[LOCKER];
 	if (!getutil(tmp))
-		tmp = utils[PIPES];;
+		tmp = utils[CMATRIX];;
 
 	spawn(tmp, NULL, NULL, NULL, F_NORMAL);
 }