interpret_nth_last_branch(): avoid traversing the reflog twice

diff --git a/t/t5700-clone-reference.sh b/t/t5700-clone-reference.sh
index e5619a9f5c9aae8c9565dd6937c20ce6401d26d4..1c109160690d273451f7a089be42e45f36a3b5bb 100755 (executable)
--- a/t/t5700-clone-reference.sh
+++ b/t/t5700-clone-reference.sh
@@ -8,6 +8,8 @@ test_description='test clone --reference'
 
 base_dir=`pwd`
 
+U=$base_dir/UPLOAD_LOG
+
 test_expect_success 'preparing first repository' \
 'test_create_repo A && cd A &&
 echo first > file1 &&
@@ -50,8 +52,13 @@ diff expected current'
 
 cd "$base_dir"
 
+rm -f "$U"
+
 test_expect_success 'cloning with reference (no -l -s)' \
-'git clone --reference B "file://$(pwd)/A" D'
+'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U"'
+
+test_expect_success 'fetched no objects' \
+'! grep "^want" "$U"'
 
 cd "$base_dir"
 
@@ -113,4 +120,30 @@ diff expected current'
 
 cd "$base_dir"
 
+test_expect_success 'preparing alternate repository #1' \
+'test_create_repo F && cd F &&
+echo first > file1 &&
+git add file1 &&
+git commit -m initial'
+
+cd "$base_dir"
+
+test_expect_success 'cloning alternate repo #2 and adding changes to repo #1' \
+'git clone F G && cd F &&
+echo second > file2 &&
+git add file2 &&
+git commit -m addition'
+
+cd "$base_dir"
+
+test_expect_success 'cloning alternate repo #1, using #2 as reference' \
+'git clone --reference G F H'
+
+cd "$base_dir"
+
+test_expect_success 'cloning with reference being subset of source (-l -s)' \
+'git clone -l -s --reference A B E'
+
+cd "$base_dir"
+
 test_done