test -e F
'
+test_expect_success SHA1 'loose object cache vs re-reading todo list' '
+ GIT_REBASE_TODO=.git/rebase-merge/git-rebase-todo &&
+ export GIT_REBASE_TODO &&
+ write_script append-todo.sh <<-\EOS &&
+ # For values 5 and 6, this yields SHA-1s with the same first two digits
+ echo "pick $(git rev-parse --short \
+ $(printf "%s\\n" \
+ "tree $EMPTY_TREE" \
+ "author A U Thor <author@example.org> $1 +0000" \
+ "committer A U Thor <author@example.org> $1 +0000" \
+ "" \
+ "$1" |
+ git hash-object -t commit -w --stdin))" >>$GIT_REBASE_TODO
+
+ shift
+ test -z "$*" ||
+ echo "exec $0 $*" >>$GIT_REBASE_TODO
+ EOS
+
+ git rebase HEAD -x "./append-todo.sh 5 6"
+'
+
test_done