X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=t%2Ftest-lib.sh;h=367f0537cd87c29bfdca15b4744f1aef3ddd8d7e;hb=c9eaaab4165d8f402930d12899ec097495b599e6;hp=454880ac7d281d901156136900814dee9aae46c5;hpb=3c0ae1bd729284d6cdb7a4bc3cb3d8cfe9fd08c1;p=git.git

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 454880ac7..367f0537c 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -75,7 +75,6 @@ export GIT_MERGE_VERBOSITY
 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 export EDITOR
-GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
 
 # Protect ourselves from common misconfiguration to export
 # CDPATH into the environment
@@ -740,6 +739,16 @@ export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOB
 
 . ../GIT-BUILD-OPTIONS
 
+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
+
 GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 export GITPERLLIB
 test -d ../templates/blt || {