diff options
Diffstat (limited to 'contrib/devtools/lint-whitespace.sh')
| -rwxr-xr-x | contrib/devtools/lint-whitespace.sh | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/contrib/devtools/lint-whitespace.sh b/contrib/devtools/lint-whitespace.sh index af9a57910a..c5b9408ff2 100755 --- a/contrib/devtools/lint-whitespace.sh +++ b/contrib/devtools/lint-whitespace.sh @@ -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~$1...HEAD" + else + TRAVIS_COMMIT_RANGE="HEAD" + fi fi showdiff() { @@ -59,7 +73,7 @@ if showdiff | grep -E -q '^\+.*\s+$'; then fi # Check if tab characters were found in the diff. -if showcodediff | grep -P -q '^\+.*\t'; then +if showcodediff | perl -nle '$MATCH++ if m{^\+.*\t}; END{exit 1 unless $MATCH>0}' > /dev/null; then echo "This diff appears to have added new lines with tab characters instead of spaces." echo "The following changes were suspected:" FILENAME="" @@ -81,7 +95,7 @@ if showcodediff | grep -P -q '^\+.*\t'; then fi echo "$line" fi - done < <(showcodediff | grep -P '^(diff --git |@@|\+.*\t)') + done < <(showcodediff | perl -nle 'print if m{^(diff --git |@@|\+.*\t)}') RET=1 fi |