#include "quote.h"
 #define MAX_ARGS       32
 
-extern char **environ;
 static const char *argv_exec_path;
 static const char *argv0_path;
 
                if (is_absolute_path(path))
                        strbuf_addstr(out, path);
                else
-                       strbuf_addstr(out, make_nonrelative_path(path));
+                       strbuf_addstr(out, absolute_path(path));
 
                strbuf_addch(out, PATH_SEP);
        }
        if (old_path)
                strbuf_addstr(&new_path, old_path);
        else
-               strbuf_addstr(&new_path, "/usr/local/bin:/usr/bin:/bin");
+               strbuf_addstr(&new_path, _PATH_DEFPATH);
 
        setenv("PATH", new_path.buf, 1);
 
        trace_argv_printf(nargv, "trace: exec:");
 
        /* execvp() can only ever return if it fails */
-       execvp("git", (char **)nargv);
+       sane_execvp("git", (char **)nargv);
 
        trace_printf("trace: exec failed: %s\n", strerror(errno));