+
+ if ("@src_stat" eq "@dst_stat") {
+ # (Symlinks to) the same file. No need for a copy but
+ # we may need to delete the original.
+ printdebug "rename_link_xf $keeporig $src $dst EXDEV but same\n";
+ } else {
+ $!=0; $?=0;
+ my @cmd = (qw(cp --), $src, "$dst.tmp");
+ debugcmd '+',@cmd;
+ if (system @cmd) {
+ failedcmd_report_cmd undef, @cmd;
+ $@ = failedcmd_waitstatus();
+ $! = -1;
+ return 0;
+ }
+ if (!rename "$dst.tmp", $dst) {
+ $@ = f_ "finally install file after cp: %S", $!;
+ return 0;
+ }
+ }