t5000, t5003: do not use test_cmp to compare binary files
[git/git.git] / t / t5004-archive-corner-cases.sh
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1#!/bin/sh
2
3test_description='test corner cases of git-archive'
4. ./test-lib.sh
5
6test_expect_success 'create commit with empty tree' '
7 git commit --allow-empty -m foo
8'
9
10# Make a dir and clean it up afterwards
11make_dir() {
12 mkdir "$1" &&
13 test_when_finished "rm -rf '$1'"
14}
15
16# Check that the dir given in "$1" contains exactly the
17# set of paths given as arguments.
18check_dir() {
19 dir=$1; shift
20 {
21 echo "$dir" &&
22 for i in "$@"; do
23 echo "$dir/$i"
24 done
25 } | sort >expect &&
abdb9b2e 26 find "$dir" ! -name pax_global_header -print | sort >actual &&
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27 test_cmp expect actual
28}
29
843fb919 30
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31# bsdtar/libarchive versions before 3.1.3 consider a tar file with a
32# global pax header that is not followed by a file record as corrupt.
33if "$TAR" tf "$TEST_DIRECTORY"/t5004/empty-with-pax-header.tar >/dev/null 2>&1
34then
35 test_set_prereq HEADER_ONLY_TAR_OK
36fi
37
38test_expect_success HEADER_ONLY_TAR_OK 'tar archive of commit with empty tree' '
39 git archive --format=tar HEAD >empty-with-pax-header.tar &&
40 make_dir extract &&
41 "$TAR" xf empty-with-pax-header.tar -C extract &&
42 check_dir extract
43'
44
bd54cf17 45test_expect_success 'tar archive of empty tree is empty' '
24676f02 46 git archive --format=tar HEAD: >empty.tar &&
ea2d20d4 47 perl -e "print \"\\0\" x 10240" >10knuls.tar &&
b93e6e36 48 test_cmp_bin 10knuls.tar empty.tar
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49'
50
51test_expect_success 'tar archive of empty tree with prefix' '
52 git archive --format=tar --prefix=foo/ HEAD >prefix.tar &&
53 make_dir extract &&
54 "$TAR" xf prefix.tar -C extract &&
55 check_dir extract foo
56'
57
58test_expect_success UNZIP 'zip archive of empty tree is empty' '
59 # Detect the exit code produced when our particular flavor of unzip
60 # sees an empty archive. Infozip will generate a warning and exit with
61 # code 1. But in the name of sanity, we do not expect other unzip
62 # implementations to do the same thing (it would be perfectly
63 # reasonable to exit 0, for example).
64 #
65 # This makes our test less rigorous on some platforms (unzip may not
66 # handle the empty repo at all, making our later check of its exit code
67 # a no-op). But we cannot do anything reasonable except skip the test
68 # on such platforms anyway, and this is the moral equivalent.
69 "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/empty.zip
70 expect_code=$?
71
72 git archive --format=zip HEAD >empty.zip &&
73 make_dir extract &&
74 (
75 cd extract &&
76 test_expect_code $expect_code "$GIT_UNZIP" ../empty.zip
77 ) &&
78 check_dir extract
79'
80
81test_expect_success UNZIP 'zip archive of empty tree with prefix' '
82 # We do not have to play exit-code tricks here, because our
83 # result should not be empty; it has a directory in it.
84 git archive --format=zip --prefix=foo/ HEAD >prefix.zip &&
85 make_dir extract &&
86 (
87 cd extract &&
88 "$GIT_UNZIP" ../prefix.zip
89 ) &&
90 check_dir extract foo
91'
92
93test_expect_success 'archive complains about pathspec on empty tree' '
94 test_must_fail git archive --format=tar HEAD -- foo >/dev/null
95'
96
97test_expect_success 'create a commit with an empty subtree' '
98 empty_tree=$(git hash-object -t tree /dev/null) &&
99 root_tree=$(printf "040000 tree $empty_tree\tsub\n" | git mktree)
100'
101
102test_expect_success 'archive empty subtree with no pathspec' '
103 git archive --format=tar $root_tree >subtree-all.tar &&
104 make_dir extract &&
105 "$TAR" xf subtree-all.tar -C extract &&
106 check_dir extract sub
107'
108
109test_expect_success 'archive empty subtree by direct pathspec' '
110 git archive --format=tar $root_tree -- sub >subtree-path.tar &&
111 make_dir extract &&
112 "$TAR" xf subtree-path.tar -C extract &&
113 check_dir extract sub
114'
115
116test_done