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fix: Handle intermittent network errors #54

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Merged
merged 1 commit into from
Oct 22, 2025
Merged

fix: Handle intermittent network errors #54

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28 changes: 26 additions & 2 deletions build_module.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -253,6 +253,30 @@ while true; do
fi
done

#
# A generic helper function to retry any command with a backoff strategy
#
try_n_times() {
MAX_ATTEMPTS=$1
CMD=$2
CLEAN_CMD=$3
i=0
WAIT_TIME=1
while ! $CMD; do
i=$(expr $i + 1)
if [ $i -le $MAX_ATTEMPTS ]; then
echo "Attempt $i failed! Waiting $WAIT_TIME seconds before retry..."
sleep $WAIT_TIME
test -n "$CLEAN_CMD" && $CLEAN_CMD
WAIT_TIME=$(expr $WAIT_TIME \* 2)
else
echo "$MAX_ATTEMPTS attempts failed!"
return 1
fi
done
return 0
}

#
# Create temporary build area, with working copy of module source
#
Expand All @@ -277,15 +301,15 @@ else
;;
"zip")
echo "$ME: INFO Downloading module source"
wget -O $BUILD_DIR/module.zip $1
try_n_times 3 "wget -O $BUILD_DIR/module.zip $1" "rm -f $BUILD_DIR/module.zip"
ARCHIVE_DIR=`zipinfo -1 $BUILD_DIR/module.zip | head -n 1 | cut -f1 -d/`
unzip $BUILD_DIR/module.zip -d $BUILD_DIR
mv $BUILD_DIR/$ARCHIVE_DIR $MODULE_DIR
;;
*)
echo "$ME: INFO Downloading module source"
# Assume tarball of some kind
wget -O $BUILD_DIR/module.tgz $1
try_n_times 3 "wget -O $BUILD_DIR/module.tgz $1" "rm -f $BUILD_DIR/module.tgz"
ARCHIVE_DIR=`tar tfz $BUILD_DIR/module.tgz | head -n 1 | cut -f1 -d/`
cd $BUILD_DIR
tar xfz module.tgz
Expand Down