archive: handle commits with an empty tree
[git/jnareb-git.git] / t / t4044-diff-index-unique-abbrev.sh
blobd5ce72be63a5515d270bd407da47fee9048d1d1b
1 #!/bin/sh
3 test_description='test unique sha1 abbreviation on "index from..to" line'
4 . ./test-lib.sh
6 cat >expect_initial <<EOF
7 100644 blob 51d2738463ea4ca66f8691c91e33ce64b7d41bb1 foo
8 EOF
10 cat >expect_update <<EOF
11 100644 blob 51d2738efb4ad8a1e40bed839ab8e116f0a15e47 foo
12 EOF
14 test_expect_success 'setup' '
15 echo 4827 > foo &&
16 git add foo &&
17 git commit -m "initial" &&
18 git cat-file -p HEAD: > actual &&
19 test_cmp expect_initial actual &&
20 echo 11742 > foo &&
21 git commit -a -m "update" &&
22 git cat-file -p HEAD: > actual &&
23 test_cmp expect_update actual
26 cat >expect <<EOF
27 index 51d27384..51d2738e 100644
28 EOF
30 test_expect_success 'diff does not produce ambiguous index line' '
31 git diff HEAD^..HEAD | grep index > actual &&
32 test_cmp expect actual
35 test_done