Merge branch 'jk/rev-list-no-bitmap-while-pruning' into maint
[git/git.git] / t / t5310-pack-bitmaps.sh
1 #!/bin/sh
2
3 test_description='exercise basic bitmap functionality'
4 . ./test-lib.sh
5
6 objpath () {
7 echo ".git/objects/$(echo "$1" | sed -e 's|\(..\)|\1/|')"
8 }
9
10 test_expect_success 'setup repo with moderate-sized history' '
11 for i in $(test_seq 1 10); do
12 test_commit $i
13 done &&
14 git checkout -b other HEAD~5 &&
15 for i in $(test_seq 1 10); do
16 test_commit side-$i
17 done &&
18 git checkout master &&
19 blob=$(echo tagged-blob | git hash-object -w --stdin) &&
20 git tag tagged-blob $blob &&
21 git config repack.writebitmaps true &&
22 git config pack.writebitmaphashcache true
23 '
24
25 test_expect_success 'full repack creates bitmaps' '
26 git repack -ad &&
27 ls .git/objects/pack/ | grep bitmap >output &&
28 test_line_count = 1 output
29 '
30
31 test_expect_success 'rev-list --test-bitmap verifies bitmaps' '
32 git rev-list --test-bitmap HEAD
33 '
34
35 rev_list_tests() {
36 state=$1
37
38 test_expect_success "counting commits via bitmap ($state)" '
39 git rev-list --count HEAD >expect &&
40 git rev-list --use-bitmap-index --count HEAD >actual &&
41 test_cmp expect actual
42 '
43
44 test_expect_success "counting partial commits via bitmap ($state)" '
45 git rev-list --count HEAD~5..HEAD >expect &&
46 git rev-list --use-bitmap-index --count HEAD~5..HEAD >actual &&
47 test_cmp expect actual
48 '
49
50 test_expect_success "counting non-linear history ($state)" '
51 git rev-list --count other...master >expect &&
52 git rev-list --use-bitmap-index --count other...master >actual &&
53 test_cmp expect actual
54 '
55
56 test_expect_success "counting commits with limiting ($state)" '
57 git rev-list --count HEAD -- 1.t >expect &&
58 git rev-list --use-bitmap-index --count HEAD -- 1.t >actual &&
59 test_cmp expect actual
60 '
61
62 test_expect_success "enumerate --objects ($state)" '
63 git rev-list --objects --use-bitmap-index HEAD >tmp &&
64 cut -d" " -f1 <tmp >tmp2 &&
65 sort <tmp2 >actual &&
66 git rev-list --objects HEAD >tmp &&
67 cut -d" " -f1 <tmp >tmp2 &&
68 sort <tmp2 >expect &&
69 test_cmp expect actual
70 '
71
72 test_expect_success "bitmap --objects handles non-commit objects ($state)" '
73 git rev-list --objects --use-bitmap-index HEAD tagged-blob >actual &&
74 grep $blob actual
75 '
76 }
77
78 rev_list_tests 'full bitmap'
79
80 test_expect_success 'clone from bitmapped repository' '
81 git clone --no-local --bare . clone.git &&
82 git rev-parse HEAD >expect &&
83 git --git-dir=clone.git rev-parse HEAD >actual &&
84 test_cmp expect actual
85 '
86
87 test_expect_success 'setup further non-bitmapped commits' '
88 for i in $(test_seq 1 10); do
89 test_commit further-$i
90 done
91 '
92
93 rev_list_tests 'partial bitmap'
94
95 test_expect_success 'fetch (partial bitmap)' '
96 git --git-dir=clone.git fetch origin master:master &&
97 git rev-parse HEAD >expect &&
98 git --git-dir=clone.git rev-parse HEAD >actual &&
99 test_cmp expect actual
100 '
101
102 test_expect_success 'incremental repack cannot create bitmaps' '
103 test_commit more-1 &&
104 find .git/objects/pack -name "*.bitmap" >expect &&
105 git repack -d &&
106 find .git/objects/pack -name "*.bitmap" >actual &&
107 test_cmp expect actual
108 '
109
110 test_expect_success 'incremental repack can disable bitmaps' '
111 test_commit more-2 &&
112 git repack -d --no-write-bitmap-index
113 '
114
115 test_expect_success 'full repack, reusing previous bitmaps' '
116 git repack -ad &&
117 ls .git/objects/pack/ | grep bitmap >output &&
118 test_line_count = 1 output
119 '
120
121 test_expect_success 'fetch (full bitmap)' '
122 git --git-dir=clone.git fetch origin master:master &&
123 git rev-parse HEAD >expect &&
124 git --git-dir=clone.git rev-parse HEAD >actual &&
125 test_cmp expect actual
126 '
127
128 test_expect_success 'create objects for missing-HAVE tests' '
129 blob=$(echo "missing have" | git hash-object -w --stdin) &&
130 tree=$(printf "100644 blob $blob\tfile\n" | git mktree) &&
131 parent=$(echo parent | git commit-tree $tree) &&
132 commit=$(echo commit | git commit-tree $tree -p $parent) &&
133 cat >revs <<-EOF
134 HEAD
135 ^HEAD^
136 ^$commit
137 EOF
138 '
139
140 test_expect_success 'pack with missing blob' '
141 rm $(objpath $blob) &&
142 git pack-objects --stdout --revs <revs >/dev/null
143 '
144
145 test_expect_success 'pack with missing tree' '
146 rm $(objpath $tree) &&
147 git pack-objects --stdout --revs <revs >/dev/null
148 '
149
150 test_expect_success 'pack with missing parent' '
151 rm $(objpath $parent) &&
152 git pack-objects --stdout --revs <revs >/dev/null
153 '
154
155 test_lazy_prereq JGIT '
156 type jgit
157 '
158
159 test_expect_success JGIT 'we can read jgit bitmaps' '
160 git clone . compat-jgit &&
161 (
162 cd compat-jgit &&
163 rm -f .git/objects/pack/*.bitmap &&
164 jgit gc &&
165 git rev-list --test-bitmap HEAD
166 )
167 '
168
169 test_expect_success JGIT 'jgit can read our bitmaps' '
170 git clone . compat-us &&
171 (
172 cd compat-us &&
173 git repack -adb &&
174 # jgit gc will barf if it does not like our bitmaps
175 jgit gc
176 )
177 '
178
179 test_expect_success 'splitting packs does not generate bogus bitmaps' '
180 test-genrandom foo $((1024 * 1024)) >rand &&
181 git add rand &&
182 git commit -m "commit with big file" &&
183 git -c pack.packSizeLimit=500k repack -adb &&
184 git init --bare no-bitmaps.git &&
185 git -C no-bitmaps.git fetch .. HEAD
186 '
187
188 test_done