contrib / coccinelle / xstrdup_or_null.coccion commit Merge branch 'da/difftool-dir-diff-fix' into da/t7800-cleanup (a83c2d2)
   1@@
   2expression E;
   3expression V;
   4@@
   5- if (E)
   6-    V = xstrdup(E);
   7+ V = xstrdup_or_null(E);