1#!/bin/sh
23
test_description='test corner cases of git-archive'
4. ./test-lib.sh
56
test_expect_success 'create commit with empty tree' '
7git commit --allow-empty -m foo
8'
910
# Make a dir and clean it up afterwards
11make_dir() {
12mkdir "$1" &&
13test_when_finished "rm -rf '$1'"
14}
1516
# Check that the dir given in "$1" contains exactly the
17# set of paths given as arguments.
18check_dir() {
19dir=$1; shift
20{
21echo "$dir" &&
22for i in "$@"; do
23echo "$dir/$i"
24done
25} | sort >expect &&
26find "$dir" ! -name pax_global_header -print | sort >actual &&
27test_cmp expect actual
28}
2930
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
35test_set_prereq HEADER_ONLY_TAR_OK
36fi
3738
test_expect_success HEADER_ONLY_TAR_OK 'tar archive of commit with empty tree' '
39git archive --format=tar HEAD >empty-with-pax-header.tar &&
40make_dir extract &&
41"$TAR" xf empty-with-pax-header.tar -C extract &&
42check_dir extract
43'
4445
test_expect_success 'tar archive of empty tree is empty' '
46git archive --format=tar HEAD: >empty.tar &&
47perl -e "print \"\\0\" x 10240" >10knuls.tar &&
48test_cmp_bin 10knuls.tar empty.tar
49'
5051
test_expect_success 'tar archive of empty tree with prefix' '
52git archive --format=tar --prefix=foo/ HEAD >prefix.tar &&
53make_dir extract &&
54"$TAR" xf prefix.tar -C extract &&
55check_dir extract foo
56'
5758
test_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{
70"$GIT_UNZIP" "$TEST_DIRECTORY"/t5004/empty.zip
71expect_code=$?
72} &&
7374
git archive --format=zip HEAD >empty.zip &&
75make_dir extract &&
76(
77cd extract &&
78test_expect_code $expect_code "$GIT_UNZIP" ../empty.zip
79) &&
80check_dir extract
81'
8283
test_expect_success UNZIP 'zip archive of empty tree with prefix' '
84# We do not have to play exit-code tricks here, because our
85# result should not be empty; it has a directory in it.
86git archive --format=zip --prefix=foo/ HEAD >prefix.zip &&
87make_dir extract &&
88(
89cd extract &&
90"$GIT_UNZIP" ../prefix.zip
91) &&
92check_dir extract foo
93'
9495
test_expect_success 'archive complains about pathspec on empty tree' '
96test_must_fail git archive --format=tar HEAD -- foo >/dev/null
97'
9899
test_expect_success 'create a commit with an empty subtree' '
100empty_tree=$(git hash-object -t tree /dev/null) &&
101root_tree=$(printf "040000 tree $empty_tree\tsub\n" | git mktree)
102'
103104
test_expect_success 'archive empty subtree with no pathspec' '
105git archive --format=tar $root_tree >subtree-all.tar &&
106make_dir extract &&
107"$TAR" xf subtree-all.tar -C extract &&
108check_dir extract sub
109'
110111
test_expect_success 'archive empty subtree by direct pathspec' '
112git archive --format=tar $root_tree -- sub >subtree-path.tar &&
113make_dir extract &&
114"$TAR" xf subtree-path.tar -C extract &&
115check_dir extract sub
116'
117118
ZIPINFO=zipinfo
119120
test_lazy_prereq ZIPINFO '
121n=$("$ZIPINFO" "$TEST_DIRECTORY"/t5004/empty.zip | sed -n "2s/.* //p")
122test "x$n" = "x0"
123'
124125
test_expect_success ZIPINFO 'zip archive with many entries' '
126# add a directory with 256 files
127mkdir 00 &&
128for a in 0 1 2 3 4 5 6 7 8 9 a b c d e f
129do
130for b in 0 1 2 3 4 5 6 7 8 9 a b c d e f
131do
132: >00/$a$b
133done
134done &&
135git add 00 &&
136git commit -m "256 files in 1 directory" &&
137138
# duplicate it to get 65536 files in 256 directories
139subtree=$(git write-tree --prefix=00/) &&
140for c in 0 1 2 3 4 5 6 7 8 9 a b c d e f
141do
142for d in 0 1 2 3 4 5 6 7 8 9 a b c d e f
143do
144echo "040000 tree $subtree $c$d"
145done
146done >tree &&
147tree=$(git mktree <tree) &&
148149
# zip them
150git archive -o many.zip $tree &&
151152
# check the number of entries in the ZIP file directory
153expr 65536 + 256 >expect &&
154"$ZIPINFO" many.zip | head -2 | sed -n "2s/.* //p" >actual &&
155test_cmp expect actual
156'
157158
test_done