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bd54cf17 JK |
1 | #!/bin/sh |
2 | ||
3 | test_description='test corner cases of git-archive' | |
7615cf94 ÆAB |
4 | |
5 | TEST_PASSES_SANITIZE_LEAK=true | |
bd54cf17 JK |
6 | . ./test-lib.sh |
7 | ||
b6bdc2a0 CMAB |
8 | # the 10knuls.tar file is used to test for an empty git generated tar |
9 | # without having to invoke tar because an otherwise valid empty GNU tar | |
10 | # will be considered broken by {Open,Net}BSD tar | |
11 | test_expect_success 'create commit with empty tree and fake empty tar' ' | |
12 | git commit --allow-empty -m foo && | |
13 | perl -e "print \"\\0\" x 10240" >10knuls.tar | |
bd54cf17 JK |
14 | ' |
15 | ||
16 | # Make a dir and clean it up afterwards | |
17 | make_dir() { | |
18 | mkdir "$1" && | |
19 | test_when_finished "rm -rf '$1'" | |
20 | } | |
21 | ||
22 | # Check that the dir given in "$1" contains exactly the | |
23 | # set of paths given as arguments. | |
24 | check_dir() { | |
25 | dir=$1; shift | |
26 | { | |
27 | echo "$dir" && | |
28 | for i in "$@"; do | |
29 | echo "$dir/$i" | |
30 | done | |
31 | } | sort >expect && | |
abdb9b2e | 32 | find "$dir" ! -name pax_global_header -print | sort >actual && |
bd54cf17 JK |
33 | test_cmp expect actual |
34 | } | |
35 | ||
867e40ff RS |
36 | test_lazy_prereq UNZIP_ZIP64_SUPPORT ' |
37 | "$GIT_UNZIP" -v | grep ZIP64_SUPPORT | |
38 | ' | |
843fb919 | 39 | |
56ee9657 RS |
40 | # bsdtar/libarchive versions before 3.1.3 consider a tar file with a |
41 | # global pax header that is not followed by a file record as corrupt. | |
42 | if "$TAR" tf "$TEST_DIRECTORY"/t5004/empty-with-pax-header.tar >/dev/null 2>&1 | |
43 | then | |
44 | test_set_prereq HEADER_ONLY_TAR_OK | |
45 | fi | |
46 | ||
47 | test_expect_success HEADER_ONLY_TAR_OK 'tar archive of commit with empty tree' ' | |
48 | git archive --format=tar HEAD >empty-with-pax-header.tar && | |
49 | make_dir extract && | |
50 | "$TAR" xf empty-with-pax-header.tar -C extract && | |
51 | check_dir extract | |
52 | ' | |
53 | ||
bd54cf17 | 54 | test_expect_success 'tar archive of empty tree is empty' ' |
24676f02 | 55 | git archive --format=tar HEAD: >empty.tar && |
b93e6e36 | 56 | test_cmp_bin 10knuls.tar empty.tar |
bd54cf17 JK |
57 | ' |
58 | ||
59 | test_expect_success 'tar archive of empty tree with prefix' ' | |
60 | git archive --format=tar --prefix=foo/ HEAD >prefix.tar && | |
61 | make_dir extract && | |
62 | "$TAR" xf prefix.tar -C extract && | |
63 | check_dir extract foo | |
64 | ' | |
65 | ||
66 | test_expect_success UNZIP 'zip archive of empty tree is empty' ' | |
67 | # Detect the exit code produced when our particular flavor of unzip | |
68 | # sees an empty archive. Infozip will generate a warning and exit with | |
69 | # code 1. But in the name of sanity, we do not expect other unzip | |
70 | # implementations to do the same thing (it would be perfectly | |
71 | # reasonable to exit 0, for example). | |
72 | # | |
73 | # This makes our test less rigorous on some platforms (unzip may not | |
74 | # handle the empty repo at all, making our later check of its exit code | |
75 | # a no-op). But we cannot do anything reasonable except skip the test | |
76 | # on such platforms anyway, and this is the moral equivalent. | |
9ddc5ac9 JK |
77 | { |
78 | "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/empty.zip | |
79 | expect_code=$? | |
80 | } && | |
bd54cf17 JK |
81 | |
82 | git archive --format=zip HEAD >empty.zip && | |
83 | make_dir extract && | |
84 | ( | |
85 | cd extract && | |
86 | test_expect_code $expect_code "$GIT_UNZIP" ../empty.zip | |
87 | ) && | |
88 | check_dir extract | |
89 | ' | |
90 | ||
91 | test_expect_success UNZIP 'zip archive of empty tree with prefix' ' | |
92 | # We do not have to play exit-code tricks here, because our | |
93 | # result should not be empty; it has a directory in it. | |
94 | git archive --format=zip --prefix=foo/ HEAD >prefix.zip && | |
95 | make_dir extract && | |
96 | ( | |
97 | cd extract && | |
98 | "$GIT_UNZIP" ../prefix.zip | |
99 | ) && | |
100 | check_dir extract foo | |
101 | ' | |
102 | ||
103 | test_expect_success 'archive complains about pathspec on empty tree' ' | |
104 | test_must_fail git archive --format=tar HEAD -- foo >/dev/null | |
105 | ' | |
106 | ||
107 | test_expect_success 'create a commit with an empty subtree' ' | |
108 | empty_tree=$(git hash-object -t tree /dev/null) && | |
109 | root_tree=$(printf "040000 tree $empty_tree\tsub\n" | git mktree) | |
110 | ' | |
111 | ||
112 | test_expect_success 'archive empty subtree with no pathspec' ' | |
113 | git archive --format=tar $root_tree >subtree-all.tar && | |
b6bdc2a0 | 114 | test_cmp_bin 10knuls.tar subtree-all.tar |
bd54cf17 JK |
115 | ' |
116 | ||
117 | test_expect_success 'archive empty subtree by direct pathspec' ' | |
118 | git archive --format=tar $root_tree -- sub >subtree-path.tar && | |
b6bdc2a0 | 119 | test_cmp_bin 10knuls.tar subtree-path.tar |
bd54cf17 JK |
120 | ' |
121 | ||
19ee2940 RS |
122 | ZIPINFO=zipinfo |
123 | ||
124 | test_lazy_prereq ZIPINFO ' | |
125 | n=$("$ZIPINFO" "$TEST_DIRECTORY"/t5004/empty.zip | sed -n "2s/.* //p") | |
126 | test "x$n" = "x0" | |
127 | ' | |
128 | ||
88329ca8 | 129 | test_expect_success ZIPINFO 'zip archive with many entries' ' |
19ee2940 RS |
130 | # add a directory with 256 files |
131 | mkdir 00 && | |
132 | for a in 0 1 2 3 4 5 6 7 8 9 a b c d e f | |
133 | do | |
134 | for b in 0 1 2 3 4 5 6 7 8 9 a b c d e f | |
135 | do | |
d0fd9931 | 136 | : >00/$a$b || return 1 |
19ee2940 RS |
137 | done |
138 | done && | |
139 | git add 00 && | |
140 | git commit -m "256 files in 1 directory" && | |
141 | ||
142 | # duplicate it to get 65536 files in 256 directories | |
143 | subtree=$(git write-tree --prefix=00/) && | |
144 | for c in 0 1 2 3 4 5 6 7 8 9 a b c d e f | |
145 | do | |
146 | for d in 0 1 2 3 4 5 6 7 8 9 a b c d e f | |
147 | do | |
d0fd9931 | 148 | echo "040000 tree $subtree $c$d" || return 1 |
19ee2940 RS |
149 | done |
150 | done >tree && | |
151 | tree=$(git mktree <tree) && | |
152 | ||
153 | # zip them | |
154 | git archive -o many.zip $tree && | |
155 | ||
156 | # check the number of entries in the ZIP file directory | |
157 | expr 65536 + 256 >expect && | |
60127996 ÆAB |
158 | "$ZIPINFO" -h many.zip >zipinfo && |
159 | sed -n "2s/.* //p" <zipinfo >actual && | |
19ee2940 RS |
160 | test_cmp expect actual |
161 | ' | |
162 | ||
867e40ff RS |
163 | test_expect_success EXPENSIVE,UNZIP,UNZIP_ZIP64_SUPPORT \ |
164 | 'zip archive bigger than 4GB' ' | |
758c1f9d RS |
165 | # build string containing 65536 characters |
166 | s=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef && | |
167 | s=$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s && | |
168 | s=$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s && | |
169 | ||
170 | # create blob with a length of 65536 + 1 bytes | |
171 | blob=$(echo $s | git hash-object -w --stdin) && | |
172 | ||
173 | # create tree containing 65500 entries of that blob | |
174 | for i in $(test_seq 1 65500) | |
175 | do | |
d0fd9931 | 176 | echo "100644 blob $blob $i" || return 1 |
758c1f9d RS |
177 | done >tree && |
178 | tree=$(git mktree <tree) && | |
179 | ||
180 | # zip it, creating an archive a bit bigger than 4GB | |
181 | git archive -0 -o many-big.zip $tree && | |
182 | ||
183 | "$GIT_UNZIP" -t many-big.zip 9999 65500 && | |
184 | "$GIT_UNZIP" -t many-big.zip | |
185 | ' | |
186 | ||
867e40ff RS |
187 | test_expect_success EXPENSIVE,LONG_IS_64BIT,UNZIP,UNZIP_ZIP64_SUPPORT,ZIPINFO \ |
188 | 'zip archive with files bigger than 4GB' ' | |
758c1f9d RS |
189 | # Pack created with: |
190 | # dd if=/dev/zero of=file bs=1M count=4100 && git hash-object -w file | |
191 | mkdir -p .git/objects/pack && | |
192 | ( | |
193 | cd .git/objects/pack && | |
194 | "$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/big-pack.zip | |
195 | ) && | |
196 | blob=754a93d6fada4c6873360e6cb4b209132271ab0e && | |
197 | size=$(expr 4100 "*" 1024 "*" 1024) && | |
198 | ||
199 | # create a tree containing the file | |
200 | tree=$(echo "100644 blob $blob big-file" | git mktree) && | |
201 | ||
202 | # zip it, creating an archive with a file bigger than 4GB | |
203 | git archive -o big.zip $tree && | |
204 | ||
205 | "$GIT_UNZIP" -t big.zip && | |
206 | "$ZIPINFO" big.zip >big.lst && | |
207 | grep $size big.lst | |
208 | ' | |
209 | ||
4060c199 RS |
210 | build_tree() { |
211 | perl -e ' | |
212 | my $hash = $ARGV[0]; | |
213 | foreach my $order (2..6) { | |
214 | $first = 10 ** $order; | |
215 | foreach my $i (-13..-9) { | |
216 | my $name = "a" x ($first + $i); | |
217 | print "100644 blob $hash\t$name\n" | |
218 | } | |
219 | } | |
220 | ' "$1" | |
221 | } | |
222 | ||
82a46af1 | 223 | test_expect_success 'tar archive with long paths' ' |
4060c199 RS |
224 | blob=$(echo foo | git hash-object -w --stdin) && |
225 | tree=$(build_tree $blob | git mktree) && | |
71d41ff6 | 226 | git archive -o long_paths.tar $tree |
4060c199 RS |
227 | ' |
228 | ||
bd54cf17 | 229 | test_done |