pack-objects: respect --local/--honor-pack-keep/--incremental when bitmap is in use
[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 # show objects present in pack ($1 should be associated *.idx)
11 list_packed_objects () {
12 git show-index <"$1" | cut -d' ' -f2
13 }
14
15 # has_any pattern-file content-file
16 # tests whether content-file has any entry from pattern-file with entries being
17 # whole lines.
18 has_any () {
19 grep -Ff "$1" "$2"
20 }
21
22 test_expect_success 'setup repo with moderate-sized history' '
23 for i in $(test_seq 1 10); do
24 test_commit $i
25 done &&
26 git checkout -b other HEAD~5 &&
27 for i in $(test_seq 1 10); do
28 test_commit side-$i
29 done &&
30 git checkout master &&
31 bitmaptip=$(git rev-parse master) &&
32 blob=$(echo tagged-blob | git hash-object -w --stdin) &&
33 git tag tagged-blob $blob &&
34 git config repack.writebitmaps true &&
35 git config pack.writebitmaphashcache true
36 '
37
38 test_expect_success 'full repack creates bitmaps' '
39 git repack -ad &&
40 ls .git/objects/pack/ | grep bitmap >output &&
41 test_line_count = 1 output
42 '
43
44 test_expect_success 'rev-list --test-bitmap verifies bitmaps' '
45 git rev-list --test-bitmap HEAD
46 '
47
48 rev_list_tests() {
49 state=$1
50
51 test_expect_success "counting commits via bitmap ($state)" '
52 git rev-list --count HEAD >expect &&
53 git rev-list --use-bitmap-index --count HEAD >actual &&
54 test_cmp expect actual
55 '
56
57 test_expect_success "counting partial commits via bitmap ($state)" '
58 git rev-list --count HEAD~5..HEAD >expect &&
59 git rev-list --use-bitmap-index --count HEAD~5..HEAD >actual &&
60 test_cmp expect actual
61 '
62
63 test_expect_success "counting commits with limit ($state)" '
64 git rev-list --count -n 1 HEAD >expect &&
65 git rev-list --use-bitmap-index --count -n 1 HEAD >actual &&
66 test_cmp expect actual
67 '
68
69 test_expect_success "counting non-linear history ($state)" '
70 git rev-list --count other...master >expect &&
71 git rev-list --use-bitmap-index --count other...master >actual &&
72 test_cmp expect actual
73 '
74
75 test_expect_success "counting commits with limiting ($state)" '
76 git rev-list --count HEAD -- 1.t >expect &&
77 git rev-list --use-bitmap-index --count HEAD -- 1.t >actual &&
78 test_cmp expect actual
79 '
80
81 test_expect_success "enumerate --objects ($state)" '
82 git rev-list --objects --use-bitmap-index HEAD >tmp &&
83 cut -d" " -f1 <tmp >tmp2 &&
84 sort <tmp2 >actual &&
85 git rev-list --objects HEAD >tmp &&
86 cut -d" " -f1 <tmp >tmp2 &&
87 sort <tmp2 >expect &&
88 test_cmp expect actual
89 '
90
91 test_expect_success "bitmap --objects handles non-commit objects ($state)" '
92 git rev-list --objects --use-bitmap-index HEAD tagged-blob >actual &&
93 grep $blob actual
94 '
95 }
96
97 rev_list_tests 'full bitmap'
98
99 test_expect_success 'clone from bitmapped repository' '
100 git clone --no-local --bare . clone.git &&
101 git rev-parse HEAD >expect &&
102 git --git-dir=clone.git rev-parse HEAD >actual &&
103 test_cmp expect actual
104 '
105
106 test_expect_success 'setup further non-bitmapped commits' '
107 for i in $(test_seq 1 10); do
108 test_commit further-$i
109 done
110 '
111
112 rev_list_tests 'partial bitmap'
113
114 test_expect_success 'fetch (partial bitmap)' '
115 git --git-dir=clone.git fetch origin master:master &&
116 git rev-parse HEAD >expect &&
117 git --git-dir=clone.git rev-parse HEAD >actual &&
118 test_cmp expect actual
119 '
120
121 test_expect_success 'incremental repack cannot create bitmaps' '
122 test_commit more-1 &&
123 find .git/objects/pack -name "*.bitmap" >expect &&
124 git repack -d &&
125 find .git/objects/pack -name "*.bitmap" >actual &&
126 test_cmp expect actual
127 '
128
129 test_expect_success 'incremental repack can disable bitmaps' '
130 test_commit more-2 &&
131 git repack -d --no-write-bitmap-index
132 '
133
134 test_expect_success 'pack-objects respects --local (non-local loose)' '
135 git init --bare alt.git &&
136 echo $(pwd)/alt.git/objects >.git/objects/info/alternates &&
137 echo content1 >file1 &&
138 # non-local loose object which is not present in bitmapped pack
139 altblob=$(GIT_DIR=alt.git git hash-object -w file1) &&
140 # non-local loose object which is also present in bitmapped pack
141 git cat-file blob $blob | GIT_DIR=alt.git git hash-object -w --stdin &&
142 git add file1 &&
143 test_tick &&
144 git commit -m commit_file1 &&
145 echo HEAD | git pack-objects --local --stdout --revs >1.pack &&
146 git index-pack 1.pack &&
147 list_packed_objects 1.idx >1.objects &&
148 printf "%s\n" "$altblob" "$blob" >nonlocal-loose &&
149 ! has_any nonlocal-loose 1.objects
150 '
151
152 test_expect_success 'pack-objects respects --honor-pack-keep (local non-bitmapped pack)' '
153 echo content2 >file2 &&
154 blob2=$(git hash-object -w file2) &&
155 git add file2 &&
156 test_tick &&
157 git commit -m commit_file2 &&
158 printf "%s\n" "$blob2" "$bitmaptip" >keepobjects &&
159 pack2=$(git pack-objects pack2 <keepobjects) &&
160 mv pack2-$pack2.* .git/objects/pack/ &&
161 >.git/objects/pack/pack2-$pack2.keep &&
162 rm $(objpath $blob2) &&
163 echo HEAD | git pack-objects --honor-pack-keep --stdout --revs >2a.pack &&
164 git index-pack 2a.pack &&
165 list_packed_objects 2a.idx >2a.objects &&
166 ! has_any keepobjects 2a.objects
167 '
168
169 test_expect_success 'pack-objects respects --local (non-local pack)' '
170 mv .git/objects/pack/pack2-$pack2.* alt.git/objects/pack/ &&
171 echo HEAD | git pack-objects --local --stdout --revs >2b.pack &&
172 git index-pack 2b.pack &&
173 list_packed_objects 2b.idx >2b.objects &&
174 ! has_any keepobjects 2b.objects
175 '
176
177 test_expect_success 'pack-objects respects --honor-pack-keep (local bitmapped pack)' '
178 ls .git/objects/pack/ | grep bitmap >output &&
179 test_line_count = 1 output &&
180 packbitmap=$(basename $(cat output) .bitmap) &&
181 list_packed_objects .git/objects/pack/$packbitmap.idx >packbitmap.objects &&
182 test_when_finished "rm -f .git/objects/pack/$packbitmap.keep" &&
183 >.git/objects/pack/$packbitmap.keep &&
184 echo HEAD | git pack-objects --honor-pack-keep --stdout --revs >3a.pack &&
185 git index-pack 3a.pack &&
186 list_packed_objects 3a.idx >3a.objects &&
187 ! has_any packbitmap.objects 3a.objects
188 '
189
190 test_expect_success 'pack-objects respects --local (non-local bitmapped pack)' '
191 mv .git/objects/pack/$packbitmap.* alt.git/objects/pack/ &&
192 test_when_finished "mv alt.git/objects/pack/$packbitmap.* .git/objects/pack/" &&
193 echo HEAD | git pack-objects --local --stdout --revs >3b.pack &&
194 git index-pack 3b.pack &&
195 list_packed_objects 3b.idx >3b.objects &&
196 ! has_any packbitmap.objects 3b.objects
197 '
198
199 test_expect_success 'full repack, reusing previous bitmaps' '
200 git repack -ad &&
201 ls .git/objects/pack/ | grep bitmap >output &&
202 test_line_count = 1 output
203 '
204
205 test_expect_success 'fetch (full bitmap)' '
206 git --git-dir=clone.git fetch origin master:master &&
207 git rev-parse HEAD >expect &&
208 git --git-dir=clone.git rev-parse HEAD >actual &&
209 test_cmp expect actual
210 '
211
212 test_expect_success 'create objects for missing-HAVE tests' '
213 blob=$(echo "missing have" | git hash-object -w --stdin) &&
214 tree=$(printf "100644 blob $blob\tfile\n" | git mktree) &&
215 parent=$(echo parent | git commit-tree $tree) &&
216 commit=$(echo commit | git commit-tree $tree -p $parent) &&
217 cat >revs <<-EOF
218 HEAD
219 ^HEAD^
220 ^$commit
221 EOF
222 '
223
224 test_expect_success 'pack-objects respects --incremental' '
225 cat >revs2 <<-EOF &&
226 HEAD
227 $commit
228 EOF
229 git pack-objects --incremental --stdout --revs <revs2 >4.pack &&
230 git index-pack 4.pack &&
231 list_packed_objects 4.idx >4.objects &&
232 test_line_count = 4 4.objects &&
233 git rev-list --objects $commit >revlist &&
234 cut -d" " -f1 revlist |sort >objects &&
235 test_cmp 4.objects objects
236 '
237
238 test_expect_success 'pack with missing blob' '
239 rm $(objpath $blob) &&
240 git pack-objects --stdout --revs <revs >/dev/null
241 '
242
243 test_expect_success 'pack with missing tree' '
244 rm $(objpath $tree) &&
245 git pack-objects --stdout --revs <revs >/dev/null
246 '
247
248 test_expect_success 'pack with missing parent' '
249 rm $(objpath $parent) &&
250 git pack-objects --stdout --revs <revs >/dev/null
251 '
252
253 test_lazy_prereq JGIT '
254 type jgit
255 '
256
257 test_expect_success JGIT 'we can read jgit bitmaps' '
258 git clone . compat-jgit &&
259 (
260 cd compat-jgit &&
261 rm -f .git/objects/pack/*.bitmap &&
262 jgit gc &&
263 git rev-list --test-bitmap HEAD
264 )
265 '
266
267 test_expect_success JGIT 'jgit can read our bitmaps' '
268 git clone . compat-us &&
269 (
270 cd compat-us &&
271 git repack -adb &&
272 # jgit gc will barf if it does not like our bitmaps
273 jgit gc
274 )
275 '
276
277 test_expect_success 'splitting packs does not generate bogus bitmaps' '
278 test-genrandom foo $((1024 * 1024)) >rand &&
279 git add rand &&
280 git commit -m "commit with big file" &&
281 git -c pack.packSizeLimit=500k repack -adb &&
282 git init --bare no-bitmaps.git &&
283 git -C no-bitmaps.git fetch .. HEAD
284 '
285
286 test_done