| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description='test diff with a bogus tree containing the null sha1' |
| 4 | |
| 5 | . ./test-lib.sh |
| 6 | |
| 7 | test_expect_success 'create bogus tree' ' |
| 8 | name=$(echo $ZERO_OID | sed -e "s/00/Q/g") && |
| 9 | bogus_tree=$( |
| 10 | printf "100644 fooQ$name" | |
| 11 | q_to_nul | |
| 12 | git hash-object --literally -w --stdin -t tree |
| 13 | ) |
| 14 | ' |
| 15 | |
| 16 | test_expect_success 'create tree with matching file' ' |
| 17 | echo bar >foo && |
| 18 | git add foo && |
| 19 | good_tree=$(git write-tree) && |
| 20 | blob=$(git rev-parse :foo) |
| 21 | ' |
| 22 | |
| 23 | test_expect_success 'raw diff shows null sha1 (addition)' ' |
| 24 | echo ":000000 100644 $ZERO_OID $ZERO_OID A foo" >expect && |
| 25 | git diff-tree $EMPTY_TREE $bogus_tree >actual && |
| 26 | test_cmp expect actual |
| 27 | ' |
| 28 | |
| 29 | test_expect_success 'raw diff shows null sha1 (removal)' ' |
| 30 | echo ":100644 000000 $ZERO_OID $ZERO_OID D foo" >expect && |
| 31 | git diff-tree $bogus_tree $EMPTY_TREE >actual && |
| 32 | test_cmp expect actual |
| 33 | ' |
| 34 | |
| 35 | test_expect_success 'raw diff shows null sha1 (modification)' ' |
| 36 | echo ":100644 100644 $blob $ZERO_OID M foo" >expect && |
| 37 | git diff-tree $good_tree $bogus_tree >actual && |
| 38 | test_cmp expect actual |
| 39 | ' |
| 40 | |
| 41 | test_expect_success 'raw diff shows null sha1 (other direction)' ' |
| 42 | echo ":100644 100644 $ZERO_OID $blob M foo" >expect && |
| 43 | git diff-tree $bogus_tree $good_tree >actual && |
| 44 | test_cmp expect actual |
| 45 | ' |
| 46 | |
| 47 | test_expect_success 'raw diff shows null sha1 (reverse)' ' |
| 48 | echo ":100644 100644 $ZERO_OID $blob M foo" >expect && |
| 49 | git diff-tree -R $good_tree $bogus_tree >actual && |
| 50 | test_cmp expect actual |
| 51 | ' |
| 52 | |
| 53 | test_expect_success 'raw diff shows null sha1 (index)' ' |
| 54 | echo ":100644 100644 $ZERO_OID $blob M foo" >expect && |
| 55 | git diff-index $bogus_tree >actual && |
| 56 | test_cmp expect actual |
| 57 | ' |
| 58 | |
| 59 | test_expect_success 'patch fails due to bogus sha1 (addition)' ' |
| 60 | test_must_fail git diff-tree -p $EMPTY_TREE $bogus_tree |
| 61 | ' |
| 62 | |
| 63 | test_expect_success 'patch fails due to bogus sha1 (removal)' ' |
| 64 | test_must_fail git diff-tree -p $bogus_tree $EMPTY_TREE |
| 65 | ' |
| 66 | |
| 67 | test_expect_success 'patch fails due to bogus sha1 (modification)' ' |
| 68 | test_must_fail git diff-tree -p $good_tree $bogus_tree |
| 69 | ' |
| 70 | |
| 71 | test_expect_success 'patch fails due to bogus sha1 (other direction)' ' |
| 72 | test_must_fail git diff-tree -p $bogus_tree $good_tree |
| 73 | ' |
| 74 | |
| 75 | test_expect_success 'patch fails due to bogus sha1 (reverse)' ' |
| 76 | test_must_fail git diff-tree -R -p $good_tree $bogus_tree |
| 77 | ' |
| 78 | |
| 79 | test_expect_success 'patch fails due to bogus sha1 (index)' ' |
| 80 | test_must_fail git diff-index -p $bogus_tree |
| 81 | ' |
| 82 | |
| 83 | test_done |