eoie: add End of Index Entry (EOIE) extension
[git/git.git] / t / t1700-split-index.sh
1 #!/bin/sh
2
3 test_description='split index mode tests'
4
5 . ./test-lib.sh
6
7 # We need total control of index splitting here
8 sane_unset GIT_TEST_SPLIT_INDEX
9 sane_unset GIT_FSMONITOR_TEST
10
11 test_expect_success 'enable split index' '
12 git config splitIndex.maxPercentChange 100 &&
13 git update-index --split-index &&
14 test-tool dump-split-index .git/index >actual &&
15 indexversion=$(test-tool index-version <.git/index) &&
16 if test "$indexversion" = "4"
17 then
18 own=3527df833c6c100d3d1d921a9a782d62a8be4b58
19 base=746f7ab2ed44fb839efdfbffcf399d0b113fb4cb
20 else
21 own=5e9b60117ece18da410ddecc8b8d43766a0e4204
22 base=4370042739b31cd17a5c5cd6043a77c9a00df113
23 fi &&
24 cat >expect <<-EOF &&
25 own $own
26 base $base
27 replacements:
28 deletions:
29 EOF
30 test_cmp expect actual
31 '
32
33 test_expect_success 'add one file' '
34 : >one &&
35 git update-index --add one &&
36 git ls-files --stage >ls-files.actual &&
37 cat >ls-files.expect <<-EOF &&
38 100644 $EMPTY_BLOB 0 one
39 EOF
40 test_cmp ls-files.expect ls-files.actual &&
41
42 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
43 cat >expect <<-EOF &&
44 base $base
45 100644 $EMPTY_BLOB 0 one
46 replacements:
47 deletions:
48 EOF
49 test_cmp expect actual
50 '
51
52 test_expect_success 'disable split index' '
53 git update-index --no-split-index &&
54 git ls-files --stage >ls-files.actual &&
55 cat >ls-files.expect <<-EOF &&
56 100644 $EMPTY_BLOB 0 one
57 EOF
58 test_cmp ls-files.expect ls-files.actual &&
59
60 BASE=$(test-tool dump-split-index .git/index | sed -n "s/^own/base/p") &&
61 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
62 cat >expect <<-EOF &&
63 not a split index
64 EOF
65 test_cmp expect actual
66 '
67
68 test_expect_success 'enable split index again, "one" now belongs to base index"' '
69 git update-index --split-index &&
70 git ls-files --stage >ls-files.actual &&
71 cat >ls-files.expect <<-EOF &&
72 100644 $EMPTY_BLOB 0 one
73 EOF
74 test_cmp ls-files.expect ls-files.actual &&
75
76 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
77 cat >expect <<-EOF &&
78 $BASE
79 replacements:
80 deletions:
81 EOF
82 test_cmp expect actual
83 '
84
85 test_expect_success 'modify original file, base index untouched' '
86 echo modified >one &&
87 git update-index one &&
88 git ls-files --stage >ls-files.actual &&
89 cat >ls-files.expect <<-EOF &&
90 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
91 EOF
92 test_cmp ls-files.expect ls-files.actual &&
93
94 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
95 q_to_tab >expect <<-EOF &&
96 $BASE
97 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
98 replacements: 0
99 deletions:
100 EOF
101 test_cmp expect actual
102 '
103
104 test_expect_success 'add another file, which stays index' '
105 : >two &&
106 git update-index --add two &&
107 git ls-files --stage >ls-files.actual &&
108 cat >ls-files.expect <<-EOF &&
109 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
110 100644 $EMPTY_BLOB 0 two
111 EOF
112 test_cmp ls-files.expect ls-files.actual &&
113
114 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
115 q_to_tab >expect <<-EOF &&
116 $BASE
117 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
118 100644 $EMPTY_BLOB 0 two
119 replacements: 0
120 deletions:
121 EOF
122 test_cmp expect actual
123 '
124
125 test_expect_success 'remove file not in base index' '
126 git update-index --force-remove two &&
127 git ls-files --stage >ls-files.actual &&
128 cat >ls-files.expect <<-EOF &&
129 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
130 EOF
131 test_cmp ls-files.expect ls-files.actual &&
132
133 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
134 q_to_tab >expect <<-EOF &&
135 $BASE
136 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
137 replacements: 0
138 deletions:
139 EOF
140 test_cmp expect actual
141 '
142
143 test_expect_success 'remove file in base index' '
144 git update-index --force-remove one &&
145 git ls-files --stage >ls-files.actual &&
146 test_must_be_empty ls-files.actual &&
147
148 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
149 cat >expect <<-EOF &&
150 $BASE
151 replacements:
152 deletions: 0
153 EOF
154 test_cmp expect actual
155 '
156
157 test_expect_success 'add original file back' '
158 : >one &&
159 git update-index --add one &&
160 git ls-files --stage >ls-files.actual &&
161 cat >ls-files.expect <<-EOF &&
162 100644 $EMPTY_BLOB 0 one
163 EOF
164 test_cmp ls-files.expect ls-files.actual &&
165
166 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
167 cat >expect <<-EOF &&
168 $BASE
169 100644 $EMPTY_BLOB 0 one
170 replacements:
171 deletions: 0
172 EOF
173 test_cmp expect actual
174 '
175
176 test_expect_success 'add new file' '
177 : >two &&
178 git update-index --add two &&
179 git ls-files --stage >actual &&
180 cat >expect <<-EOF &&
181 100644 $EMPTY_BLOB 0 one
182 100644 $EMPTY_BLOB 0 two
183 EOF
184 test_cmp expect actual
185 '
186
187 test_expect_success 'unify index, two files remain' '
188 git update-index --no-split-index &&
189 git ls-files --stage >ls-files.actual &&
190 cat >ls-files.expect <<-EOF &&
191 100644 $EMPTY_BLOB 0 one
192 100644 $EMPTY_BLOB 0 two
193 EOF
194 test_cmp ls-files.expect ls-files.actual &&
195
196 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
197 cat >expect <<-EOF &&
198 not a split index
199 EOF
200 test_cmp expect actual
201 '
202
203 test_expect_success 'rev-parse --shared-index-path' '
204 test_create_repo split-index &&
205 (
206 cd split-index &&
207 git update-index --split-index &&
208 echo .git/sharedindex* >expect &&
209 git rev-parse --shared-index-path >actual &&
210 test_cmp expect actual &&
211 mkdir subdirectory &&
212 cd subdirectory &&
213 echo ../.git/sharedindex* >expect &&
214 git rev-parse --shared-index-path >actual &&
215 test_cmp expect actual
216 )
217 '
218
219 test_expect_success 'set core.splitIndex config variable to true' '
220 git config core.splitIndex true &&
221 : >three &&
222 git update-index --add three &&
223 git ls-files --stage >ls-files.actual &&
224 cat >ls-files.expect <<-EOF &&
225 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
226 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 three
227 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
228 EOF
229 test_cmp ls-files.expect ls-files.actual &&
230 BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
231 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
232 cat >expect <<-EOF &&
233 $BASE
234 replacements:
235 deletions:
236 EOF
237 test_cmp expect actual
238 '
239
240 test_expect_success 'set core.splitIndex config variable to false' '
241 git config core.splitIndex false &&
242 git update-index --force-remove three &&
243 git ls-files --stage >ls-files.actual &&
244 cat >ls-files.expect <<-EOF &&
245 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
246 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
247 EOF
248 test_cmp ls-files.expect ls-files.actual &&
249 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
250 cat >expect <<-EOF &&
251 not a split index
252 EOF
253 test_cmp expect actual
254 '
255
256 test_expect_success 'set core.splitIndex config variable to true' '
257 git config core.splitIndex true &&
258 : >three &&
259 git update-index --add three &&
260 BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
261 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
262 cat >expect <<-EOF &&
263 $BASE
264 replacements:
265 deletions:
266 EOF
267 test_cmp expect actual &&
268 : >four &&
269 git update-index --add four &&
270 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
271 cat >expect <<-EOF &&
272 $BASE
273 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 four
274 replacements:
275 deletions:
276 EOF
277 test_cmp expect actual
278 '
279
280 test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
281 git config --unset splitIndex.maxPercentChange &&
282 : >five &&
283 git update-index --add five &&
284 BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
285 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
286 cat >expect <<-EOF &&
287 $BASE
288 replacements:
289 deletions:
290 EOF
291 test_cmp expect actual &&
292 : >six &&
293 git update-index --add six &&
294 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
295 cat >expect <<-EOF &&
296 $BASE
297 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 six
298 replacements:
299 deletions:
300 EOF
301 test_cmp expect actual
302 '
303
304 test_expect_success 'check splitIndex.maxPercentChange set to 0' '
305 git config splitIndex.maxPercentChange 0 &&
306 : >seven &&
307 git update-index --add seven &&
308 BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
309 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
310 cat >expect <<-EOF &&
311 $BASE
312 replacements:
313 deletions:
314 EOF
315 test_cmp expect actual &&
316 : >eight &&
317 git update-index --add eight &&
318 BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
319 test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
320 cat >expect <<-EOF &&
321 $BASE
322 replacements:
323 deletions:
324 EOF
325 test_cmp expect actual
326 '
327
328 test_expect_success 'shared index files expire after 2 weeks by default' '
329 : >ten &&
330 git update-index --add ten &&
331 test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
332 just_under_2_weeks_ago=$((5-14*86400)) &&
333 test-tool chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
334 : >eleven &&
335 git update-index --add eleven &&
336 test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
337 just_over_2_weeks_ago=$((-1-14*86400)) &&
338 test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
339 : >twelve &&
340 git update-index --add twelve &&
341 test $(ls .git/sharedindex.* | wc -l) -le 2
342 '
343
344 test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
345 git config splitIndex.sharedIndexExpire "16.days.ago" &&
346 test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
347 : >thirteen &&
348 git update-index --add thirteen &&
349 test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
350 just_over_16_days_ago=$((-1-16*86400)) &&
351 test-tool chmtime =$just_over_16_days_ago .git/sharedindex.* &&
352 : >fourteen &&
353 git update-index --add fourteen &&
354 test $(ls .git/sharedindex.* | wc -l) -le 2
355 '
356
357 test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
358 git config splitIndex.sharedIndexExpire never &&
359 just_10_years_ago=$((-365*10*86400)) &&
360 test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
361 : >fifteen &&
362 git update-index --add fifteen &&
363 test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
364 git config splitIndex.sharedIndexExpire now &&
365 just_1_second_ago=-1 &&
366 test-tool chmtime =$just_1_second_ago .git/sharedindex.* &&
367 : >sixteen &&
368 git update-index --add sixteen &&
369 test $(ls .git/sharedindex.* | wc -l) -le 2
370 '
371
372 while read -r mode modebits
373 do
374 test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
375 # Remove existing shared index files
376 git config core.splitIndex false &&
377 git update-index --force-remove one &&
378 rm -f .git/sharedindex.* &&
379 # Create one new shared index file
380 git config core.sharedrepository "$mode" &&
381 git config core.splitIndex true &&
382 : >one &&
383 git update-index --add one &&
384 echo "$modebits" >expect &&
385 test_modebits .git/index >actual &&
386 test_cmp expect actual &&
387 shared=$(ls .git/sharedindex.*) &&
388 case "$shared" in
389 *" "*)
390 # we have more than one???
391 false ;;
392 *)
393 test_modebits "$shared" >actual &&
394 test_cmp expect actual ;;
395 esac
396 '
397 done <<\EOF
398 0666 -rw-rw-rw-
399 0642 -rw-r---w-
400 EOF
401
402 test_expect_success POSIXPERM,SANITY 'graceful handling when splitting index is not allowed' '
403 test_create_repo ro &&
404 (
405 cd ro &&
406 test_commit initial &&
407 git update-index --split-index &&
408 test -f .git/sharedindex.*
409 ) &&
410 cp ro/.git/index new-index &&
411 test_when_finished "chmod u+w ro/.git" &&
412 chmod u-w ro/.git &&
413 GIT_INDEX_FILE="$(pwd)/new-index" git -C ro update-index --split-index &&
414 chmod u+w ro/.git &&
415 rm ro/.git/sharedindex.* &&
416 GIT_INDEX_FILE=new-index git ls-files >actual &&
417 echo initial.t >expected &&
418 test_cmp expected actual
419 '
420
421 test_expect_success 'writing split index with null sha1 does not write cache tree' '
422 git config core.splitIndex true &&
423 git config splitIndex.maxPercentChange 0 &&
424 git commit -m "commit" &&
425 {
426 git ls-tree HEAD &&
427 printf "160000 commit $ZERO_OID\\tbroken\\n"
428 } >broken-tree &&
429 echo "add broken entry" >msg &&
430
431 tree=$(git mktree <broken-tree) &&
432 test_tick &&
433 commit=$(git commit-tree $tree -p HEAD <msg) &&
434 git update-ref HEAD "$commit" &&
435 GIT_ALLOW_NULL_SHA1=1 git reset --hard &&
436 test_might_fail test-tool dump-cache-tree >cache-tree.out &&
437 test_line_count = 0 cache-tree.out
438 '
439
440 test_done