1 files changed, 28 insertions, 0 deletions
diff --git a/sys/src/cmd/hgfs/util.c b/sys/src/cmd/hgfs/util.c
new file mode 100644
index 000000000..179713124
--- /dev/null
+++ b/sys/src/cmd/hgfs/util.c
@@ -0,0 +1,28 @@
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+#include "dat.h"
+#include "fns.h"
+
+int
+getdothg(char *dothg, char *path)
+{
+	char buf[MAXPATH], *s;
+
+	if(path != nil){
+		snprint(buf, sizeof(buf), "%s", path);
+		cleanname(buf);
+	} else if(getwd(buf, sizeof(buf)) == nil)
+		return -1;
+	for(;;){
+		snprint(dothg, MAXPATH, "%s/.hg", buf);
+		if(access(dothg, AEXIST) == 0)
+			return 0;
+		if(path != nil)
+			break;
+		if((s = strrchr(buf, '/')) == nil)
+			break;
+		*s = 0;
+	}
+	return -1;
+}