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authormark <markm@cs.wisc.edu>2020-10-08 15:54:29 -0500
committerJoshua Nelson <joshua@yottadb.com>2020-10-08 17:11:36 -0400
commite81601f62f8c9d29972912a9efd984d4615d96ab (patch)
tree88f2243f81e48a1cac007d2add1e0dc5d2a90538 /src/doc/rustc-dev-guide
parent325268f53e6cefe258348ffab1b09faee4ac81ed (diff)
downloadrust-e81601f62f8c9d29972912a9efd984d4615d96ab.tar.gz
rust-e81601f62f8c9d29972912a9efd984d4615d96ab.zip
add assert
Diffstat (limited to 'src/doc/rustc-dev-guide')
-rwxr-xr-xsrc/doc/rustc-dev-guide/ci/linkcheck.sh5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/doc/rustc-dev-guide/ci/linkcheck.sh b/src/doc/rustc-dev-guide/ci/linkcheck.sh
index a1cd424fbd9..db6b35a5b7f 100755
--- a/src/doc/rustc-dev-guide/ci/linkcheck.sh
+++ b/src/doc/rustc-dev-guide/ci/linkcheck.sh
@@ -9,6 +9,11 @@ if [ "$TRAVIS_EVENT_TYPE" = "cron" ] ; then # running in cron job
 
   echo "Doing full link check."
 elif [ "$CI" = "true" ] ; then # running in PR CI build
+  if [ -n "$TRAVIS_COMMIT_RANGE" ]; then
+    echo "error: unexpected state: COMMIT_RANGE must be non-empty in CI"
+    exit 1
+  fi
+
   CHANGED_FILES=$(git diff --name-only $TRAVIS_COMMIT_RANGE | tr '\n' ' ')
   FLAGS="-f $CHANGED_FILES"