3 test_description
='test finding specific blobs in the revision walking'
6 test_expect_success
'setup ' '
7 git commit --allow-empty -m "empty initial commit" &&
9 echo "Hello, world!" >greeting &&
11 git commit -m "add the greeting blob" && # borrowed from Git from the Bottom Up
12 git tag -m "the blob" greeting $(git rev-parse HEAD:greeting) &&
14 echo asdf >unrelated &&
16 git commit -m "unrelated history" &&
20 git commit --allow-empty -m "another unrelated commit"
23 test_expect_success
'find the greeting blob' '
25 Revert "add the greeting blob"
29 git log --format=%s --find-object=greeting^{blob} >actual &&
31 test_cmp expect actual
34 test_expect_success
'setup a tree' '
38 git commit -m "add a file in a subdirectory"
41 test_expect_success
'find a tree' '
43 add a file in a subdirectory
46 git log --format=%s -t --find-object=HEAD:a >actual &&
48 test_cmp expect actual
51 test_expect_success
'setup a submodule' '
52 test_create_repo sub &&
53 test_commit -C sub sub &&
54 git submodule add ./sub sub &&
55 git commit -a -m "add sub"
58 test_expect_success
'find a submodule' '
63 git log --format=%s --find-object=HEAD:sub >actual &&
65 test_cmp expect actual
68 test_expect_success
'set up merge tests' '
71 git checkout -b boring base^ &&
74 git commit -m boring &&
76 git checkout -b interesting base^ &&
77 echo interesting >file &&
79 git commit -m interesting &&
81 blob=$(git rev-parse interesting:file)
84 test_expect_success
'detect merge which introduces blob' '
85 git checkout -B merge base &&
86 git merge --no-commit boring &&
87 echo interesting >file &&
88 git commit -am "introduce blob" &&
89 git diff-tree --format=%s --find-object=$blob -c --name-status HEAD >actual &&
90 cat >expect <<-\EOF &&
95 test_cmp expect actual
98 test_expect_success
'detect merge which removes blob' '
99 git checkout -B merge interesting &&
100 git merge --no-commit base &&
102 git commit -am "remove blob" &&
103 git diff-tree --format=%s --find-object=$blob -c --name-status HEAD >actual &&
104 cat >expect <<-\EOF &&
109 test_cmp expect actual
112 test_expect_success
'do not detect merge that does not touch blob' '
113 git checkout -B merge interesting &&
114 git merge -m "untouched blob" base &&
115 git diff-tree --format=%s --find-object=$blob -c --name-status HEAD >actual &&
116 cat >expect <<-\EOF &&
120 test_cmp expect actual