play around with ranges a bit more

Author: mark-i-m

ci/linkcheck.sh

@@ -6,13 +6,13 @@ if [ "$TRAVIS_EVENT_TYPE" = "cron" ] ; then # running in cron job
   echo "Doing full link check."
 elif [ "$CI" = "true" ] ; then # running in PR CI build
   COMMIT_RANGE=$(echo $TRAVIS_COMMIT_RANGE | sed 's/\.\.\./../g')
-  CHANGED_FILES=$(git diff-tree --no-commit-id --name-only -r $COMMIT_RANGE | tr '\n' ' ')
+  CHANGED_FILES=$(git diff --name-only $TRAVIS_COMMIT_RANGE | tr '\n' ' ')
   FLAGS="-f $CHANGED_FILES"
 
   echo "Checking files changed in $TRAVIS_COMMIT_RANGE: $CHANGED_FILES"
 else # running locally
-  COMMIT_RANGE=master..
-  CHANGED_FILES=$(git diff-tree --no-commit-id --name-only -r $COMMIT_RANGE | tr '\n' ' ')
+  COMMIT_RANGE=master...
+  CHANGED_FILES=$(git diff --name-only $COMMIT_RANGE | tr '\n' ' ')
   FLAGS="-f $CHANGED_FILES"
 
   echo "Checking files changed in $COMMIT_RANGE: $CHANGED_FILES"