diff --git a/t/test-lib.sh b/t/test-lib.sh
index c582964b0d26bedcc69b4f7cc787c4deccfab6b9..a290011fa782ede7ede27a13b2b47a79161b5c80 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
export EDITOR
-GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
+
+if test -z "$GIT_TEST_CMP"
+then
+ if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
+ then
+ GIT_TEST_CMP="$DIFF -c"
+ else
+ GIT_TEST_CMP="$DIFF -u"
+ fi
+fi
# Protect ourselves from common misconfiguration to export
# CDPATH into the environment