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1#!/bin/sh
2#
3# Copyright (c) 2007 Junio C Hamano
4#
5
6test_description='Test prune and reflog expiration'
7. ./test-lib.sh
8
9check_have () {
10 gaah= &&
11 for N in "$@"
12 do
13 eval "o=\$$N" && git cat-file -t $o || {
14 echo Gaah $N
15 gaah=$N
16 break
17 }
18 done &&
19 test -z "$gaah"
20}
21
22check_fsck () {
674ba340 23 git fsck --full >fsck.output
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24 case "$1" in
25 '')
674ba340 26 test_must_be_empty fsck.output ;;
1389d9dd 27 *)
674ba340 28 test_i18ngrep "$1" fsck.output ;;
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29 esac
30}
31
32corrupt () {
ff4cb42e 33 mv .git/objects/$(test_oid_to_path $1) .git/$1
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34}
35
36recover () {
ff4cb42e 37 aa=$(echo $1 | cut -c 1-2)
1389d9dd 38 mkdir -p .git/objects/$aa
ff4cb42e 39 mv .git/$1 .git/objects/$(test_oid_to_path $1)
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40}
41
42check_dont_have () {
43 gaah= &&
44 for N in "$@"
45 do
46 eval "o=\$$N"
47 git cat-file -t $o && {
48 echo Gaah $N
49 gaah=$N
50 break
51 }
52 done
53 test -z "$gaah"
54}
55
56test_expect_success setup '
57 mkdir -p A/B &&
58 echo rat >C &&
59 echo ox >A/D &&
60 echo tiger >A/B/E &&
61 git add . &&
62
63 test_tick && git commit -m rabbit &&
2c25eaa1
EP
64 H=$(git rev-parse --verify HEAD) &&
65 A=$(git rev-parse --verify HEAD:A) &&
66 B=$(git rev-parse --verify HEAD:A/B) &&
67 C=$(git rev-parse --verify HEAD:C) &&
68 D=$(git rev-parse --verify HEAD:A/D) &&
69 E=$(git rev-parse --verify HEAD:A/B/E) &&
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70 check_fsck &&
71
1f553918 72 test_chmod +x C &&
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73 git add C &&
74 test_tick && git commit -m dragon &&
2c25eaa1 75 L=$(git rev-parse --verify HEAD) &&
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76 check_fsck &&
77
78 rm -f C A/B/E &&
79 echo snake >F &&
80 echo horse >A/G &&
81 git add F A/G &&
82 test_tick && git commit -a -m sheep &&
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83 F=$(git rev-parse --verify HEAD:F) &&
84 G=$(git rev-parse --verify HEAD:A/G) &&
85 I=$(git rev-parse --verify HEAD:A) &&
86 J=$(git rev-parse --verify HEAD) &&
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87 check_fsck &&
88
89 rm -f A/G &&
90 test_tick && git commit -a -m monkey &&
2c25eaa1 91 K=$(git rev-parse --verify HEAD) &&
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92 check_fsck &&
93
94 check_have A B C D E F G H I J K L &&
95
026aa938 96 git prune &&
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97
98 check_have A B C D E F G H I J K L &&
99
100 check_fsck &&
101
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102 git reflog refs/heads/master >output &&
103 test_line_count = 4 output
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104'
105
106test_expect_success rewind '
107 test_tick && git reset --hard HEAD~2 &&
108 test -f C &&
109 test -f A/B/E &&
110 ! test -f F &&
111 ! test -f A/G &&
112
113 check_have A B C D E F G H I J K L &&
114
026aa938 115 git prune &&
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116
117 check_have A B C D E F G H I J K L &&
118
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119 git reflog refs/heads/master >output &&
120 test_line_count = 5 output
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121'
122
123test_expect_success 'corrupt and check' '
124
125 corrupt $F &&
126 check_fsck "missing blob $F"
127
128'
129
130test_expect_success 'reflog expire --dry-run should not touch reflog' '
131
132 git reflog expire --dry-run \
133 --expire=$(($test_tick - 10000)) \
134 --expire-unreachable=$(($test_tick - 10000)) \
135 --stale-fix \
136 --all &&
137
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138 git reflog refs/heads/master >output &&
139 test_line_count = 5 output &&
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140
141 check_fsck "missing blob $F"
142'
143
144test_expect_success 'reflog expire' '
145
146 git reflog expire --verbose \
147 --expire=$(($test_tick - 10000)) \
148 --expire-unreachable=$(($test_tick - 10000)) \
149 --stale-fix \
150 --all &&
151
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152 git reflog refs/heads/master >output &&
153 test_line_count = 2 output &&
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154
155 check_fsck "dangling commit $K"
156'
157
158test_expect_success 'prune and fsck' '
159
026aa938 160 git prune &&
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161 check_fsck &&
162
163 check_have A B C D E H L &&
164 check_dont_have F G I J K
165
166'
167
168test_expect_success 'recover and check' '
169
170 recover $F &&
171 check_fsck "dangling blob $F"
172
173'
174
55beff4f 175test_expect_success 'delete' '
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176 echo 1 > C &&
177 test_tick &&
178 git commit -m rat C &&
179
180 echo 2 > C &&
181 test_tick &&
182 git commit -m ox C &&
183
184 echo 3 > C &&
185 test_tick &&
186 git commit -m tiger C &&
187
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188 HEAD_entry_count=$(git reflog | wc -l) &&
189 master_entry_count=$(git reflog show master | wc -l) &&
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190
191 test $HEAD_entry_count = 5 &&
192 test $master_entry_count = 5 &&
193
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194
195 git reflog delete master@{1} &&
196 git reflog show master > output &&
6e4826ea 197 test_line_count = $(($master_entry_count - 1)) output &&
38881a90 198 test $HEAD_entry_count = $(git reflog | wc -l) &&
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199 ! grep ox < output &&
200
a48fcd83 201 master_entry_count=$(wc -l < output) &&
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202
203 git reflog delete HEAD@{1} &&
204 test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
205 test $master_entry_count = $(git reflog show master | wc -l) &&
206
a48fcd83 207 HEAD_entry_count=$(git reflog | wc -l) &&
38881a90 208
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209 git reflog delete master@{07.04.2005.15:15:00.-0700} &&
210 git reflog show master > output &&
6e4826ea 211 test_line_count = $(($master_entry_count - 1)) output &&
552cecc2 212 ! grep dragon < output
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213
214'
215
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216test_expect_success 'rewind2' '
217
218 test_tick && git reset --hard HEAD~2 &&
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219 git reflog refs/heads/master >output &&
220 test_line_count = 4 output
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221'
222
223test_expect_success '--expire=never' '
224
225 git reflog expire --verbose \
226 --expire=never \
227 --expire-unreachable=never \
228 --all &&
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229 git reflog refs/heads/master >output &&
230 test_line_count = 4 output
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231'
232
233test_expect_success 'gc.reflogexpire=never' '
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234 test_config gc.reflogexpire never &&
235 test_config gc.reflogexpireunreachable never &&
4a9f4394 236
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237 git reflog expire --verbose --all >output &&
238 test_line_count = 9 output &&
239
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240 git reflog refs/heads/master >output &&
241 test_line_count = 4 output
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242'
243
244test_expect_success 'gc.reflogexpire=false' '
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245 test_config gc.reflogexpire false &&
246 test_config gc.reflogexpireunreachable false &&
4a9f4394 247
4a9f4394 248 git reflog expire --verbose --all &&
d0ab0584 249 git reflog refs/heads/master >output &&
a65bf78c 250 test_line_count = 4 output
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251
252'
253
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254test_expect_success 'git reflog expire unknown reference' '
255 test_config gc.reflogexpire never &&
256 test_config gc.reflogexpireunreachable never &&
257
258 test_must_fail git reflog expire master@{123} 2>stderr &&
259 test_i18ngrep "points nowhere" stderr &&
260 test_must_fail git reflog expire does-not-exist 2>stderr &&
261 test_i18ngrep "points nowhere" stderr
262'
263
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264test_expect_success 'checkout should not delete log for packed ref' '
265 test $(git reflog master | wc -l) = 4 &&
266 git branch foo &&
267 git pack-refs --all &&
268 git checkout foo &&
269 test $(git reflog master | wc -l) = 4
270'
271
9233887c 272test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
aae828b9 273 test_when_finished "git branch -d one || git branch -d one/two" &&
9233887c 274
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275 git branch one/two master &&
276 echo "one/two@{0} branch: Created from master" >expect &&
277 git log -g --format="%gd %gs" one/two >actual &&
9233887c 278 test_cmp expect actual &&
aae828b9 279 git branch -d one/two &&
9233887c 280
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281 # now logs/refs/heads/one is a stale directory, but
282 # we should move it out of the way to create "one" reflog
283 git branch one master &&
284 echo "one@{0} branch: Created from master" >expect &&
285 git log -g --format="%gd %gs" one >actual &&
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286 test_cmp expect actual
287'
288
289test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
aae828b9 290 test_when_finished "git branch -d one || git branch -d one/two" &&
9233887c 291
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292 git branch one/two master &&
293 echo "one/two@{0} branch: Created from master" >expect &&
294 git log -g --format="%gd %gs" one/two >actual &&
9233887c 295 test_cmp expect actual &&
aae828b9 296 git branch -d one/two &&
9233887c 297
aae828b9 298 # same as before, but we only create a reflog for "one" if
9233887c 299 # it already exists, which it does not
aae828b9 300 git -c core.logallrefupdates=false branch one master &&
aae828b9 301 git log -g --format="%gd %gs" one >actual &&
1c5e94f4 302 test_must_be_empty actual
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303'
304
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305# Triggering the bug detected by this test requires a newline to fall
306# exactly BUFSIZ-1 bytes from the end of the file. We don't know
307# what that value is, since it's platform dependent. However, if
308# we choose some value N, we also catch any D which divides N evenly
309# (since we will read backwards in chunks of D). So we choose 8K,
310# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
311#
312# Each line is 114 characters, so we need 75 to still have a few before the
313# last 8K. The 89-character padding on the final entry lines up our
314# newline exactly.
ff4cb42e 315test_expect_success SHA1 'parsing reverse reflogs at BUFSIZ boundaries' '
e5e73ff2 316 git checkout -b reflogskip &&
ff4cb42e 317 zf=$(test_oid zero_2) &&
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318 ident="abc <xyz> 0000000001 +0000" &&
319 for i in $(test_seq 1 75); do
ff4cb42e 320 printf "$zf%02d $zf%02d %s\t" $i $(($i+1)) "$ident" &&
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321 if test $i = 75; then
322 for j in $(test_seq 1 89); do
323 printf X
324 done
325 else
326 printf X
327 fi &&
328 printf "\n"
329 done >.git/logs/refs/heads/reflogskip &&
330 git rev-parse reflogskip@{73} >actual &&
ff4cb42e 331 echo ${zf}03 >expect &&
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332 test_cmp expect actual
333'
334
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335test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
336 git update-ref --create-reflog -m "Creating ref" \
337 refs/tests/tree-in-reflog HEAD &&
338 git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
339 git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
340 git reflog refs/tests/tree-in-reflog
341'
342
343test_expect_failure 'reflog with non-commit entries displays all entries' '
344 git reflog refs/tests/tree-in-reflog >actual &&
345 test_line_count = 3 actual
346'
347
41d796ed 348test_expect_success 'reflog expire operates on symref not referrent' '
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349 git branch --create-reflog the_symref &&
350 git branch --create-reflog referrent &&
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351 git update-ref referrent HEAD &&
352 git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
353 test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
354 touch .git/refs/heads/referrent.lock &&
355 git reflog expire --expire=all the_symref
356'
357
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358test_expect_success 'continue walking past root commits' '
359 git init orphanage &&
360 (
361 cd orphanage &&
362 cat >expect <<-\EOF &&
363 HEAD@{0} commit (initial): orphan2-1
364 HEAD@{1} commit: orphan1-2
365 HEAD@{2} commit (initial): orphan1-1
366 HEAD@{3} commit (initial): initial
367 EOF
368 test_commit initial &&
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369 git checkout --orphan orphan1 &&
370 test_commit orphan1-1 &&
371 test_commit orphan1-2 &&
372 git checkout --orphan orphan2 &&
373 test_commit orphan2-1 &&
374 git log -g --format="%gd %gs" >actual &&
375 test_cmp expect actual
376 )
377'
378
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379test_expect_success 'expire with multiple worktrees' '
380 git init main-wt &&
381 (
382 cd main-wt &&
383 test_tick &&
384 test_commit foo &&
385 git worktree add link-wt &&
386 test_tick &&
387 test_commit -C link-wt foobar &&
388 test_tick &&
389 git reflog expire --verbose --all --expire=$test_tick &&
390 test_must_be_empty .git/worktrees/link-wt/logs/HEAD
391 )
392'
393
1389d9dd 394test_done