diff options
Diffstat (limited to 'scripts/check-lint-count.sh')
-rwxr-xr-x | scripts/check-lint-count.sh | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/scripts/check-lint-count.sh b/scripts/check-lint-count.sh new file mode 100755 index 0000000..4848e62 --- /dev/null +++ b/scripts/check-lint-count.sh @@ -0,0 +1,47 @@ +#!/usr/bin/env bash +# +# Checks the number of lint issues against historical values. Used in +# Travis CI builds to fail when the number increases by exploiting the +# caching mechanism. + +# This is to prime the system: when I submitted this change, this is the +# number of lint warnings that existed. +DEFAULT_NUMBER=207 + +if [[ $# != 3 || ! -f $1 ]]; then \ + echo "Usage: $0 <lint.xml file> <historical file> <success file>" + exit 1 +elif [[ ! -d $(dirname $3) ]]; then \ + echo "Error: directory $(dirname $3) does not exist." + exit 1 +fi + +lint_file="$1" +historical_file="$2" +success_file="$3" + +xmllint="$(which xmllint)" + +if [[ ! -x $xmllint ]]; then \ + echo "Error: cannot find xmllint" + exit 1 +fi + +if [[ -f $historical_file ]]; then \ + historical_count="$(cat $historical_file)" +else \ + historical_count=$DEFAULT_NUMBER +fi + +new_count="$($xmllint --xpath 'count(//issue)' "$lint_file")" + +if [[ $new_count > $historical_count ]]; then \ + echo "FAILURE: lint issues increased from $historical_count to $new_count" + exit 2 +fi + +if [[ $TRAVIS_PULL_REQUEST == false ]]; then \ + # Okay, we either stayed the same or reduced our number. + # Write it out so we can check it next build! + echo $new_count > $success_file +fi |