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#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;
}
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