Alexander/threadwatcher
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safer file handling

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This commit is contained in:
Alexander Bocken 2021-06-19 14:14:20 +02:00
parent 40af4955bb
commit 3a7c8ea687
Signed by: Alexander
GPG Key ID: 1D237BE83F9B05E8
1 changed files with 25 additions and 4 deletions
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threadwatcher
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@ -101,7 +101,7 @@ scan(){
else
if [ "$correct_md5" != "$slave_md5" ] && [ -f "$filelocation" ]; then
rm "$filelocation"
echo "removed $filename because of incorrect checksum, redownloading."
echo "[-] $filename because of incorrect checksum, redownloading."
fi
#limit concurrent dls
if [ $running_dls -gt 25 ]; then
@ -121,7 +121,8 @@ scan(){
}
add() {
dl_location="$(makepathabsolute "$2")"
dl_location="$(makepathabsolute "$2")"
if grep -qP "^$1\t" "$URLFILE"; then
dl_location_already="$(grep -P "^$1\t" "$URLFILE" | cut -f2)"
notify-send "threadwatcher" "Thread already being watched. currently downloads to $(echo "$dl_location_already" | sed "s|$HOME|~|")"
@ -131,6 +132,14 @@ dl_location="$(makepathabsolute "$2")"
new_location="$dl_location" ||
exit 0
[ -z "$new_location" ] && exit
# Wait for last scan to finish in case of quick successive additions.
# Otherwise there is a potential loss of threads
[ -f /tmp/threadwatcher.lock ] && [ "$(pgrep -c threadwatcher)" -gt 1 ] &&
echo "Threadwatcher currently scanning. Waiting for it to finish before adding new thread and rescanning."
while [ -f /tmp/threadwatcher.lock ] && [ "$(pgrep -c threadwatcher)" -gt 1 ]; do
sleep 1
done
sed -i "s|$dl_location_already|$new_location|" "$URLFILE"
else
echo "Already downloading thread to same location, exiting..."
@ -155,6 +164,14 @@ dl_location="$(makepathabsolute "$2")"
notify-send "threadwatcher" "already downloaded files moved to $new_location. New files will also be downloaded there"
else
# Wait for last scan to finish in case of quick successive additions.
# Otherwise there is a potential loss of threads
[ -f /tmp/threadwatcher.lock ] && [ "$(pgrep -c threadwatcher)" -gt 1 ] &&
echo "Threadwatcher currently scanning. Waiting for it to finish before adding new thread and rescanning."
while [ -f /tmp/threadwatcher.lock ] && [ "$(pgrep -c threadwatcher)" -gt 1 ]; do
sleep 1
done
printf "%s\t%s\n" "$1" "$dl_location" | tee -ai "$URLFILE"
echo "added $1 to threadwatcher list. Downloading to $dl_location"
fi
@ -163,8 +180,6 @@ dl_location="$(makepathabsolute "$2")"
case "$1" in
"add") add "$2" "$3"
# Wait for last scan to finish in case of quick successive additions.
# Otherwise there is a potential loss of threads
scan;;
"scan") scan;;
"list") printf "Thread:\t\t\t\t\t\tDownload location:\n"
@ -174,6 +189,12 @@ case "$1" in
cat "$URLFILE"
prompt "Do you want to stop watching over all current threads?" || exit 0
echo "Deleting..."
[ -f /tmp/threadwatcher.lock ] && [ "$(pgrep -c threadwatcher)" -gt 1 ] &&
echo "Threadwatcher currently scanning. Waiting for it to finish before deleting file"
while [ -f /tmp/threadwatcher.lock ] && [ "$(pgrep -c threadwatcher)" -gt 1 ]; do
sleep 1
done
rm "$URLFILE"
touch "$URLFILE";;
"edit") ${EDITOR:-vim} "$URLFILE";;