3 test_description='multi-pack-indexes'
16 header: 4d494458 1 $NUM_CHUNKS $NUM_PACKS
17 chunks: pack-names oid-fanout oid-lookup object-offsets$EXTRA_CHUNKS
18 num_objects: $NUM_OBJECTS
21 if test $NUM_PACKS -ge 1
23 ls $OBJECT_DIR/pack/ | grep idx | sort
25 printf "object-dir: $OBJECT_DIR\n"
27 test-tool read-midx $OBJECT_DIR >actual &&
28 test_cmp expect actual
31 test_expect_success 'write midx with no packs' '
32 test_when_finished rm -f pack/multi-pack-index &&
33 git multi-pack-index --object-dir=. write &&
34 midx_read_expect 0 0 4 .
39 iii=$(printf '%03i' $i)
41 test-tool genrandom "bar" 200 &&
42 test-tool genrandom "baz $iii" 50
45 test-tool genrandom "foo"$i 100 &&
46 test-tool genrandom "foo"$(( $i + 1 )) 100 &&
47 test-tool genrandom "foo"$(( $i + 2 )) 100
51 test-tool genrandom "$iii" 8192
53 git update-index --add file_$iii deep_delta_$iii wide_delta_$iii
56 commit_and_list_objects () {
59 test-tool genrandom 100 8192;
61 git update-index --add file_101 &&
62 tree=$(git write-tree) &&
63 commit=$(git commit-tree $tree -p HEAD</dev/null) &&
66 git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
68 git reset --hard $commit
71 test_expect_success 'create objects' '
72 test_commit initial &&
73 for i in $(test_seq 1 5)
77 commit_and_list_objects
80 test_expect_success 'write midx with one v1 pack' '
81 pack=$(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
88 midx_git_two_modes () {
89 if [ "$2" = "sorted" ]
91 git -c core.multiPackIndex=false $1 | sort >expect &&
92 git -c core.multiPackIndex=true $1 | sort >actual
94 git -c core.multiPackIndex=false $1 >expect &&
95 git -c core.multiPackIndex=true $1 >actual
97 test_cmp expect actual
100 compare_results_with_midx () {
102 test_expect_success "check normal git operations: $MSG" '
103 midx_git_two_modes "rev-list --objects --all" &&
104 midx_git_two_modes "log --raw" &&
105 midx_git_two_modes "count-objects --verbose" &&
106 midx_git_two_modes "cat-file --batch-all-objects --buffer --batch-check" &&
107 midx_git_two_modes "cat-file --batch-all-objects --buffer --batch-check --unsorted" sorted
111 test_expect_success 'write midx with one v2 pack' '
112 git pack-objects --index-version=2,0x40 $objdir/pack/test <obj-list &&
113 git multi-pack-index --object-dir=$objdir write &&
114 midx_read_expect 1 18 4 $objdir
117 compare_results_with_midx "one v2 pack"
119 test_expect_success 'add more objects' '
120 for i in $(test_seq 6 10)
124 commit_and_list_objects
127 test_expect_success 'write midx with two packs' '
128 git pack-objects --index-version=1 $objdir/pack/test-2 <obj-list &&
129 git multi-pack-index --object-dir=$objdir write &&
130 midx_read_expect 2 34 4 $objdir
133 compare_results_with_midx "two packs"
135 test_expect_success 'add more packs' '
136 for j in $(test_seq 11 20)
138 generate_objects $j &&
139 commit_and_list_objects &&
140 git pack-objects --index-version=2 $objdir/pack/test-pack <obj-list
144 compare_results_with_midx "mixed mode (two packs + extra)"
146 test_expect_success 'write midx with twelve packs' '
147 git multi-pack-index --object-dir=$objdir write &&
148 midx_read_expect 12 74 4 $objdir
151 compare_results_with_midx "twelve packs"
153 test_expect_success 'repack removes multi-pack-index' '
154 test_path_is_file $objdir/pack/multi-pack-index &&
156 test_path_is_missing $objdir/pack/multi-pack-index
159 compare_results_with_midx "after repack"
161 test_expect_success 'multi-pack-index and pack-bitmap' '
162 git -c repack.writeBitmaps=true repack -ad &&
163 git multi-pack-index write &&
164 git rev-list --test-bitmap HEAD
167 test_expect_success 'multi-pack-index and alternates' '
168 git init --bare alt.git &&
169 echo $(pwd)/alt.git/objects >.git/objects/info/alternates &&
170 echo content1 >file1 &&
171 altblob=$(GIT_DIR=alt.git git hash-object -w file1) &&
172 git cat-file blob $altblob &&
176 compare_results_with_midx "with alternate (local midx)"
178 test_expect_success 'multi-pack-index in an alternate' '
179 mv .git/objects/pack/* alt.git/objects/pack &&
180 test_commit add_local_objects &&
181 git repack --local &&
182 git multi-pack-index write &&
183 midx_read_expect 1 3 4 $objdir &&
184 git reset --hard HEAD~1 &&
185 rm -f .git/objects/pack/*
188 compare_results_with_midx "with alternate (remote midx)"
191 # usage: corrupt_data <file> <pos> [<data>]
196 printf "$data" | dd of="$file" bs=1 seek="$pos" conv=notrunc
199 # Force 64-bit offsets by manipulating the idx file.
200 # This makes the IDX file _incorrect_ so be careful to clean up after!
201 test_expect_success 'force some 64-bit offsets with pack-objects' '
203 mkdir objects64/pack &&
204 for i in $(test_seq 1 11)
208 commit_and_list_objects &&
209 pack64=$(git pack-objects --index-version=2,0x40 objects64/pack/test-64 <obj-list) &&
210 idx64=objects64/pack/test-64-$pack64.idx &&
212 corrupt_data $idx64 2999 "\02" &&
213 midx64=$(git multi-pack-index --object-dir=objects64 write) &&
214 midx_read_expect 1 63 5 objects64 " large-offsets"