corda/.ci/check-api-changes.sh
Chris Rankin 2c84d07e8e CORDA-704: Implement @DoNotImplement annotation (#1903)
* Enhance the API Scanner plugin to monitor class annotations.
* Implement @DoNotImplement annotation, and apply it.
* Update API definition.
* Update API change detection to handle @DoNotImplement.
* Document the `@DoNotImplement` annotation.
2017-10-19 17:18:35 +01:00

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#!/bin/bash
echo "Starting API Diff"
APIHOME=$(dirname $0)
apiCurrent=$APIHOME/api-current.txt
if [ ! -f $apiCurrent ]; then
echo "Missing $apiCurrent file - cannot check API diff. Please rebase or add it to this release"
exit -1
fi
# Remove the two header lines from the diff output.
diffContents=`diff -u $apiCurrent $APIHOME/../build/api/api-corda-*.txt | tail --lines=+3`
echo "Diff contents:"
echo "$diffContents"
echo
# A removed line means that an API was either deleted or modified.
removals=$(echo "$diffContents" | grep "^-")
removalCount=`grep -v "^$" <<EOF | wc -l
$removals
EOF
`
echo "Number of API removals/changes: "$removalCount
if [ $removalCount -gt 0 ]; then
echo "$removals"
echo
fi
# Adding new abstract methods could also break the API.
# However, first exclude anything with the @DoNotImplement annotation.
function forUserImpl() {
awk '/DoNotImplement/,/^##/{ next }{ print }' $1
}
userDiffContents=`diff -u <(forUserImpl $apiCurrent) <(forUserImpl $APIHOME/../build/api/api-corda-*.txt) | tail --lines=+3`
newAbstracts=$(echo "$userDiffContents" | grep "^+" | grep "\(public\|protected\) abstract")
abstractCount=`grep -v "^$" <<EOF | wc -l
$newAbstracts
EOF
`
echo "Number of new abstract APIs: "$abstractCount
if [ $abstractCount -gt 0 ]; then
echo "$newAbstracts"
echo
fi
badChanges=$(($removalCount + $abstractCount))
echo "Exiting with exit code" $badChanges
exit $badChanges