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[scripts] lint-whitespace: check last N commits or unstaged changes

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Get usage instructions:
.lint-whitespace.sh -?
This commit is contained in:
Sjors Provoost 2018-01-08 12:10:07 +01:00
parent 56910285fa
commit 8dbf740f80
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1 changed files with 19 additions and 5 deletions
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24
contrib/devtools/lint-whitespace.sh
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@ -7,12 +7,26 @@
# Check for new lines in diff that introduce trailing whitespace.
# We can't run this check unless we know the commit range for the PR.
while getopts "?" opt; do
case $opt in
?)
echo "Usage: .lint-whitespace.sh [N]"
echo " TRAVIS_COMMIT_RANGE='<commit range>' .lint-whitespace.sh"
echo " .lint-whitespace.sh -?"
echo "Checks unstaged changes, the previous N commits, or a commit range."
echo "TRAVIS_COMMIT_RANGE='47ba2c3...ee50c9e' .lint-whitespace.sh"
exit 0
;;
esac
done
if [ -z "${TRAVIS_COMMIT_RANGE}" ]; then
echo "Cannot run lint-whitespace.sh without commit range. To run locally, use:"
echo "TRAVIS_COMMIT_RANGE='<commit range>' .lint-whitespace.sh"
echo "For example:"
echo "TRAVIS_COMMIT_RANGE='47ba2c3...ee50c9e' .lint-whitespace.sh"
exit 1
if [ "$1" ]; then
TRAVIS_COMMIT_RANGE="HEAD~$1...HEAD"
else
TRAVIS_COMMIT_RANGE="HEAD"
fi
fi
showdiff() {