+ orig_size=$(stat --printf=%s $bin)
+ patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $bin
+ patchelf --set-rpath ${libPath} $bin
+ new_size=$(stat --printf=%s $bin)
+ ###### zeit-pkg fixing starts here.
+ # we're replacing plaintext js code that looks like
+ # PAYLOAD_POSITION = '1234 ' | 0
+ # [...]
+ # PRELUDE_POSITION = '1234 ' | 0
+ # ^-----20-chars-----^^------22-chars------^
+ # ^-- grep points here
+ #
+ # var_* are as described above
+ # shift_by seems to be safe so long as all patchelf adjustments occur
+ # before any locations pointed to by hardcoded offsets
+ var_skip=20
+ var_select=22
+ shift_by=$(expr $new_size - $orig_size)
+ function fix_offset {
+ # $1 = name of variable to adjust
+ location=$(grep -obUam1 "$1" $bin | cut -d: -f1)
+ location=$(expr $location + $var_skip)
+ value=$(dd if=$bin iflag=count_bytes,skip_bytes skip=$location \
+ bs=1 count=$var_select status=none)
+ value=$(expr $shift_by + $value)
+ echo -n $value | dd of=$bin bs=1 seek=$location conv=notrunc
+ }
+ fix_offset PAYLOAD_POSITION
+ fix_offset PRELUDE_POSITION