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Commit | Line | Data |
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a3407730 DS |
1 | #!/bin/sh |
2 | ||
3 | test_description='multi-pack-indexes' | |
4 | . ./test-lib.sh | |
5 | ||
c4d25228 DS |
6 | objdir=.git/objects |
7 | ||
4d80560c | 8 | midx_read_expect () { |
396f2570 | 9 | NUM_PACKS=$1 |
d7cacf29 | 10 | NUM_OBJECTS=$2 |
662148c4 DS |
11 | NUM_CHUNKS=$3 |
12 | OBJECT_DIR=$4 | |
13 | EXTRA_CHUNKS="$5" | |
3227565c DS |
14 | { |
15 | cat <<-EOF && | |
662148c4 DS |
16 | header: 4d494458 1 $NUM_CHUNKS $NUM_PACKS |
17 | chunks: pack-names oid-fanout oid-lookup object-offsets$EXTRA_CHUNKS | |
d7cacf29 | 18 | num_objects: $NUM_OBJECTS |
3227565c DS |
19 | packs: |
20 | EOF | |
21 | if test $NUM_PACKS -ge 1 | |
22 | then | |
662148c4 | 23 | ls $OBJECT_DIR/pack/ | grep idx | sort |
3227565c | 24 | fi && |
662148c4 | 25 | printf "object-dir: $OBJECT_DIR\n" |
3227565c | 26 | } >expect && |
662148c4 | 27 | test-tool read-midx $OBJECT_DIR >actual && |
4d80560c DS |
28 | test_cmp expect actual |
29 | } | |
30 | ||
a3407730 | 31 | test_expect_success 'write midx with no packs' ' |
fc59e748 DS |
32 | test_when_finished rm -f pack/multi-pack-index && |
33 | git multi-pack-index --object-dir=. write && | |
662148c4 | 34 | midx_read_expect 0 0 4 . |
a3407730 DS |
35 | ' |
36 | ||
2c381335 DS |
37 | generate_objects () { |
38 | i=$1 | |
39 | iii=$(printf '%03i' $i) | |
40 | { | |
41 | test-tool genrandom "bar" 200 && | |
42 | test-tool genrandom "baz $iii" 50 | |
43 | } >wide_delta_$iii && | |
44 | { | |
45 | test-tool genrandom "foo"$i 100 && | |
46 | test-tool genrandom "foo"$(( $i + 1 )) 100 && | |
47 | test-tool genrandom "foo"$(( $i + 2 )) 100 | |
48 | } >deep_delta_$iii && | |
49 | { | |
50 | echo $iii && | |
51 | test-tool genrandom "$iii" 8192 | |
52 | } >file_$iii && | |
53 | git update-index --add file_$iii deep_delta_$iii wide_delta_$iii | |
54 | } | |
55 | ||
56 | commit_and_list_objects () { | |
57 | { | |
58 | echo 101 && | |
59 | test-tool genrandom 100 8192; | |
60 | } >file_101 && | |
61 | git update-index --add file_101 && | |
62 | tree=$(git write-tree) && | |
63 | commit=$(git commit-tree $tree -p HEAD</dev/null) && | |
64 | { | |
65 | echo $tree && | |
66 | git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/" | |
67 | } >obj-list && | |
68 | git reset --hard $commit | |
69 | } | |
70 | ||
71 | test_expect_success 'create objects' ' | |
72 | test_commit initial && | |
73 | for i in $(test_seq 1 5) | |
74 | do | |
75 | generate_objects $i | |
76 | done && | |
77 | commit_and_list_objects | |
78 | ' | |
79 | ||
80 | test_expect_success 'write midx with one v1 pack' ' | |
c4d25228 DS |
81 | pack=$(git pack-objects --index-version=1 $objdir/pack/test <obj-list) && |
82 | test_when_finished rm $objdir/pack/test-$pack.pack \ | |
83 | $objdir/pack/test-$pack.idx $objdir/pack/multi-pack-index && | |
84 | git multi-pack-index --object-dir=$objdir write && | |
85 | midx_read_expect 1 18 4 $objdir | |
2c381335 DS |
86 | ' |
87 | ||
c4d25228 DS |
88 | midx_git_two_modes () { |
89 | git -c core.multiPackIndex=false $1 >expect && | |
90 | git -c core.multiPackIndex=true $1 >actual && | |
91 | test_cmp expect actual | |
92 | } | |
93 | ||
94 | compare_results_with_midx () { | |
95 | MSG=$1 | |
96 | test_expect_success "check normal git operations: $MSG" ' | |
97 | midx_git_two_modes "rev-list --objects --all" && | |
98 | midx_git_two_modes "log --raw" | |
99 | ' | |
100 | } | |
101 | ||
2c381335 | 102 | test_expect_success 'write midx with one v2 pack' ' |
c4d25228 DS |
103 | git pack-objects --index-version=2,0x40 $objdir/pack/test <obj-list && |
104 | git multi-pack-index --object-dir=$objdir write && | |
105 | midx_read_expect 1 18 4 $objdir | |
2c381335 DS |
106 | ' |
107 | ||
c4d25228 DS |
108 | compare_results_with_midx "one v2 pack" |
109 | ||
2c381335 DS |
110 | test_expect_success 'add more objects' ' |
111 | for i in $(test_seq 6 10) | |
112 | do | |
113 | generate_objects $i | |
114 | done && | |
115 | commit_and_list_objects | |
116 | ' | |
117 | ||
118 | test_expect_success 'write midx with two packs' ' | |
c4d25228 DS |
119 | git pack-objects --index-version=1 $objdir/pack/test-2 <obj-list && |
120 | git multi-pack-index --object-dir=$objdir write && | |
121 | midx_read_expect 2 34 4 $objdir | |
2c381335 DS |
122 | ' |
123 | ||
c4d25228 DS |
124 | compare_results_with_midx "two packs" |
125 | ||
2c381335 DS |
126 | test_expect_success 'add more packs' ' |
127 | for j in $(test_seq 11 20) | |
128 | do | |
129 | generate_objects $j && | |
130 | commit_and_list_objects && | |
c4d25228 | 131 | git pack-objects --index-version=2 $objdir/pack/test-pack <obj-list |
2c381335 DS |
132 | done |
133 | ' | |
134 | ||
c4d25228 DS |
135 | compare_results_with_midx "mixed mode (two packs + extra)" |
136 | ||
2c381335 | 137 | test_expect_success 'write midx with twelve packs' ' |
c4d25228 DS |
138 | git multi-pack-index --object-dir=$objdir write && |
139 | midx_read_expect 12 74 4 $objdir | |
662148c4 DS |
140 | ' |
141 | ||
c4d25228 DS |
142 | compare_results_with_midx "twelve packs" |
143 | ||
662148c4 DS |
144 | # usage: corrupt_data <file> <pos> [<data>] |
145 | corrupt_data () { | |
146 | file=$1 | |
147 | pos=$2 | |
148 | data="${3:-\0}" | |
149 | printf "$data" | dd of="$file" bs=1 seek="$pos" conv=notrunc | |
150 | } | |
151 | ||
152 | # Force 64-bit offsets by manipulating the idx file. | |
153 | # This makes the IDX file _incorrect_ so be careful to clean up after! | |
154 | test_expect_success 'force some 64-bit offsets with pack-objects' ' | |
155 | mkdir objects64 && | |
156 | mkdir objects64/pack && | |
157 | for i in $(test_seq 1 11) | |
158 | do | |
159 | generate_objects 11 | |
160 | done && | |
161 | commit_and_list_objects && | |
162 | pack64=$(git pack-objects --index-version=2,0x40 objects64/pack/test-64 <obj-list) && | |
163 | idx64=objects64/pack/test-64-$pack64.idx && | |
164 | chmod u+w $idx64 && | |
165 | corrupt_data $idx64 2999 "\02" && | |
166 | midx64=$(git multi-pack-index --object-dir=objects64 write) && | |
167 | midx_read_expect 1 63 5 objects64 " large-offsets" | |
2c381335 DS |
168 | ' |
169 | ||
a3407730 | 170 | test_done |