#!/bin/bash -xe # Working variables MIRROR_ROOT=$1 # A temporary file to which to write the new index TMP_INDEX_FILE=$(mktemp) trap "rm -f -- '$TMP_INDEX_FILE'" EXIT # And the final location INDEX_FILE=${MIRROR_ROOT}/index.html # Start building our file echo -e "\n\n \n Wheel Index\n " > $TMP_INDEX_FILE echo -e " \n \n \n" >> $TMP_INDEX_FILE if ! cmp $TMP_INDEX_FILE $INDEX_FILE >/dev/null 2>&1; then # Atomically replace the index file mv $TMP_INDEX_FILE $INDEX_FILE else rm $TMP_INDEX_FILE fi # The tempfile is gone so we don't need the trap trap - EXIT