archive: handle commits with an empty tree
[git/jnareb-git.git] / t / t0090-cache-tree.sh
blob6c33e28ee8df4d239dd6d1c1d98c324b01c70ed3
1 #!/bin/sh
3 test_description="Test whether cache-tree is properly updated
5 Tests whether various commands properly update and/or rewrite the
6 cache-tree extension.
8 . ./test-lib.sh
10 cmp_cache_tree () {
11 test-dump-cache-tree >actual &&
12 sed "s/$_x40/SHA/" <actual >filtered &&
13 test_cmp "$1" filtered
16 # We don't bother with actually checking the SHA1:
17 # test-dump-cache-tree already verifies that all existing data is
18 # correct.
19 test_shallow_cache_tree () {
20 printf "SHA (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >expect &&
21 cmp_cache_tree expect
24 test_invalid_cache_tree () {
25 echo "invalid (0 subtrees)" >expect &&
26 printf "SHA #(ref) (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >>expect &&
27 cmp_cache_tree expect
30 test_no_cache_tree () {
31 : >expect &&
32 cmp_cache_tree expect
35 test_expect_failure 'initial commit has cache-tree' '
36 test_commit foo &&
37 test_shallow_cache_tree
40 test_expect_success 'read-tree HEAD establishes cache-tree' '
41 git read-tree HEAD &&
42 test_shallow_cache_tree
45 test_expect_success 'git-add invalidates cache-tree' '
46 test_when_finished "git reset --hard; git read-tree HEAD" &&
47 echo "I changed this file" > foo &&
48 git add foo &&
49 test_invalid_cache_tree
52 test_expect_success 'update-index invalidates cache-tree' '
53 test_when_finished "git reset --hard; git read-tree HEAD" &&
54 echo "I changed this file" > foo &&
55 git update-index --add foo &&
56 test_invalid_cache_tree
59 test_expect_success 'write-tree establishes cache-tree' '
60 test-scrap-cache-tree &&
61 git write-tree &&
62 test_shallow_cache_tree
65 test_expect_success 'test-scrap-cache-tree works' '
66 git read-tree HEAD &&
67 test-scrap-cache-tree &&
68 test_no_cache_tree
71 test_expect_success 'second commit has cache-tree' '
72 test_commit bar &&
73 test_shallow_cache_tree
76 test_expect_success 'reset --hard gives cache-tree' '
77 test-scrap-cache-tree &&
78 git reset --hard &&
79 test_shallow_cache_tree
82 test_expect_success 'reset --hard without index gives cache-tree' '
83 rm -f .git/index &&
84 git reset --hard &&
85 test_shallow_cache_tree
88 test_expect_failure 'checkout gives cache-tree' '
89 git checkout HEAD^ &&
90 test_shallow_cache_tree
93 test_done