shithub: clone

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add flag to skip existing files

--- a/clone.c

+++ b/clone.c

@@ -37,6 +37,7 @@

 int multisrc = 0;

 int keepmode = 0;

 int keepmtime = 0;

+int skipexisting = 0;

 int keepuser = 0;

 int keepgroup = 0;

 int notemp = 0;

@@ -470,6 +471,7 @@

 	char *dst;

 	Dir d;

 	File *f;

+	int fd;

 	Waitgroup *wg;

 	threadsetname("fileproc");

@@ -480,6 +482,15 @@

 		if(f == nil)

 			break;

+		if(skipexisting){

+			fd = open(f->dst, OREAD);

+			if(fd >= 0){

+				close(fd);

+				filefree(f);

+				continue;

+			}

+		}

+

 		dst = nil;

 		f->sfd = open(f->src, OREAD);

 		if(f->sfd < 0){

@@ -537,6 +548,9 @@

 	ARGBEGIN{

 	case 'v':

 		verbose++;

+		break;

+	case 'n':

+		skipexisting++;

 		break;

 	case 'd':

 		dummy++;