ultrawidify/scripts/reproducability-test.sh
2020-06-18 22:12:45 +02:00

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#!/bin/bash
### VARIABLES
REPRODUCABILITY=5 # how many times we need to build with same hash
### TEST STARTS HERE ###
CURRENT_DIR=$(pwd)
if [[ $(echo $0 | awk -F"/" '{print NF-1}') -eq 1 ]] ; then
# we need to go one directory up
cd ..
fi
# cleanup after self if we already ran and previous test crashed or
# something before it cleaned up after itself.
rm -rf /tmp/uw-test-runs/* 2>/dev/null # we not interested if fails
# make new folder if it doesn't exist
mkdir -p /tmp/uw-test-runs
for ((run=0;run<$REPRODUCABILITY;run++)) ; do
echo ""
echo "---- run ${run} ----"
# save hash and then run build. Save hash.
OLD_HASH=$HASH
HASH=$(npm run build 2>/dev/null | grep "Hash:")
# move build file to /tmp, where it'll be saved for later
mv dist-ff /tmp/uw-test-runs/${run}
# skip comparisons with previous tests on first run,
# cos we don't have anything to compare against yet
if [[ $run -ne 0 ]] ; then
if [[ "$OLD_HASH" == "$HASH" ]] ; then
echo "Hashes ok${HASH##*:}"
else
echo "Webpack hashes do not match! (${OLD_HASH##*:} <---> ${HASH##*:})"
fi
echo "Diff test (no output=ok):"
diff -qr /tmp/uw-test-runs/${prev_run} /tmp/uw-test-runs/${run}
else
echo "Webpack hash: $HASH"
fi
# save id of previous run
prev_run=$run
done
# clean up after self
rm -rf /tmp/uw-test-runs
# restore dir
cd "$CURRENT_DIR"