#!/bin/sh test_description='test unique sha1 abbreviation on "index from..to" line' . ./test-lib.sh cat >expect_initial <<EOF 100644 blob 51d2738463ea4ca66f8691c91e33ce64b7d41bb1 foo EOF cat >expect_update <<EOF 100644 blob 51d2738efb4ad8a1e40bed839ab8e116f0a15e47 foo EOF test_expect_success 'setup' ' echo 4827 > foo && git add foo && git commit -m "initial" && git cat-file -p HEAD: > actual && test_cmp expect_initial actual && echo 11742 > foo && git commit -a -m "update" && git cat-file -p HEAD: > actual && test_cmp expect_update actual ' cat >expect <<EOF index 51d27384..51d2738e 100644 EOF test_expect_success 'diff does not produce ambiguous index line' ' git diff HEAD^..HEAD | grep index > actual && test_cmp expect actual ' test_done