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Store block lists in temp file, intead of RAM.

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Storing the output from 'curl' commands directly as shell variables is
very inefficent, and requires much more RAM gravity.sh any time there is
an update to the block lists (and especially on the first run).  Store
the raw blocklists in a temporary file on disk, and process those.
This commit is contained in:
Jesse Becker 2015-09-11 23:26:25 -04:00
parent 23713d82a0
commit 47abe65090
1 changed files with 35 additions and 11 deletions
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36
gravity.sh
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@ -79,27 +79,51 @@ do
# Save the file as list.#.domain
saveLocation=$origin/list.$i.$domain.$justDomainsExtension
agent="Mozilla/10.0"
echo -n "Getting $domain list... "
# Use a case statement to download lists that need special cURL commands to complete properly
# Use a case statement to download lists that need special cURL commands
# to complete properly and reset the user agent when required
case "$domain" in
"adblock.mahakala.is") data=$(curl -s -A 'Mozilla/5.0 (X11; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0' -e http://forum.xda-developers.com/ -z $saveLocation $url);;
"adblock.mahakala.is")
agent='Mozilla/5.0 (X11; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0'
cmd="curl -e http://forum.xda-developers.com/"
;;
"pgl.yoyo.org") data=$(curl -s -d mimetype=plaintext -d hostformat=hosts -z $saveLocation $url);;
"pgl.yoyo.org")
cmd="curl -s -d mimetype=plaintext -d hostformat=hosts"
;;
*) data=$(curl -s -z $saveLocation -A "Mozilla/10.0" $url);;
# Default is a simple curl request
*) cmd="curl"
esac
if [[ -n "$data" ]];then
# tmp file, so we don't have to store the (long!) lists in RAM
tmpfile=`mktemp`
timeCheck=""
if [ -r $saveLocation ]; then
timeCheck="-z $saveLocation"
fi
CMD="$cmd -s $timeCheck -A '$agent' $url > $tmpfile"
echo "running [$CMD]"
$cmd -s $timeCheck -A "$agent" $url > $tmpfile
if [[ -s "$tmpfile" ]];then
# Remove comments and print only the domain name
# Most of the lists downloaded are already in hosts file format but the spacing/formating is not contigious
# This helps with that and makes it easier to read
# It also helps with debugging so each stage of the script can be researched more in depth
echo "$data" | awk 'NF {if ($1 !~ "#") { if (NF>1) {print $2} else {print $1}}}' | \
awk 'NF {if ($1 !~ "#") { if (NF>1) {print $2} else {print $1}}}' $tmpfile | \
sed -e 's/^[. \t]*//' -e 's/\.\.\+/./g' -e 's/[. \t]*$//' | grep "\." > $saveLocation
echo "Done."
else
echo "Skipping list because it does not have any new entries."
fi
# cleanup
rm -f $tmpfile
done
# Find all files with the .domains extension and compile them into one file and remove CRs