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 "$gaah"
20}
21
22check_fsck () {
23 output=$(git fsck --full)
24 case "$1" in
25 '')
26 test -z "$output" ;;
27 *)
28 echo "$output" | grep "$1" ;;
29 esac
30}
31
32corrupt () {
33 aa=${1%??????????????????????????????????????} zz=${1#??}
34 mv .git/objects/$aa/$zz .git/$aa$zz
35}
36
37recover () {
38 aa=${1%??????????????????????????????????????} zz=${1#??}
39 mkdir -p .git/objects/$aa
40 mv .git/$aa$zz .git/objects/$aa/$zz
41}
42
43check_dont_have () {
44 gaah= &&
45 for N in "$@"
46 do
47 eval "o=\$$N"
48 git cat-file -t $o && {
49 echo Gaah $N
50 gaah=$N
51 break
52 }
53 done
54 test -z "$gaah"
55}
56
57test_expect_success setup '
58 mkdir -p A/B &&
59 echo rat >C &&
60 echo ox >A/D &&
61 echo tiger >A/B/E &&
62 git add . &&
63
64 test_tick && git commit -m rabbit &&
65 H=$(git rev-parse --verify HEAD) &&
66 A=$(git rev-parse --verify HEAD:A) &&
67 B=$(git rev-parse --verify HEAD:A/B) &&
68 C=$(git rev-parse --verify HEAD:C) &&
69 D=$(git rev-parse --verify HEAD:A/D) &&
70 E=$(git rev-parse --verify HEAD:A/B/E) &&
71 check_fsck &&
72
73 test_chmod +x C &&
74 git add C &&
75 test_tick && git commit -m dragon &&
76 L=$(git rev-parse --verify HEAD) &&
77 check_fsck &&
78
79 rm -f C A/B/E &&
80 echo snake >F &&
81 echo horse >A/G &&
82 git add F A/G &&
83 test_tick && git commit -a -m sheep &&
84 F=$(git rev-parse --verify HEAD:F) &&
85 G=$(git rev-parse --verify HEAD:A/G) &&
86 I=$(git rev-parse --verify HEAD:A) &&
87 J=$(git rev-parse --verify HEAD) &&
88 check_fsck &&
89
90 rm -f A/G &&
91 test_tick && git commit -a -m monkey &&
92 K=$(git rev-parse --verify HEAD) &&
93 check_fsck &&
94
95 check_have A B C D E F G H I J K L &&
96
97 git prune &&
98
99 check_have A B C D E F G H I J K L &&
100
101 check_fsck &&
102
103 git reflog refs/heads/master >output &&
104 test_line_count = 4 output
105'
106
107test_expect_success rewind '
108 test_tick && git reset --hard HEAD~2 &&
109 test -f C &&
110 test -f A/B/E &&
111 ! test -f F &&
112 ! test -f A/G &&
113
114 check_have A B C D E F G H I J K L &&
115
116 git prune &&
117
118 check_have A B C D E F G H I J K L &&
119
120 git reflog refs/heads/master >output &&
121 test_line_count = 5 output
122'
123
124test_expect_success 'corrupt and check' '
125
126 corrupt $F &&
127 check_fsck "missing blob $F"
128
129'
130
131test_expect_success 'reflog expire --dry-run should not touch reflog' '
132
133 git reflog expire --dry-run \
134 --expire=$(($test_tick - 10000)) \
135 --expire-unreachable=$(($test_tick - 10000)) \
136 --stale-fix \
137 --all &&
138
139 git reflog refs/heads/master >output &&
140 test_line_count = 5 output &&
141
142 check_fsck "missing blob $F"
143'
144
145test_expect_success 'reflog expire' '
146
147 git reflog expire --verbose \
148 --expire=$(($test_tick - 10000)) \
149 --expire-unreachable=$(($test_tick - 10000)) \
150 --stale-fix \
151 --all &&
152
153 git reflog refs/heads/master >output &&
154 test_line_count = 2 output &&
155
156 check_fsck "dangling commit $K"
157'
158
159test_expect_success 'prune and fsck' '
160
161 git prune &&
162 check_fsck &&
163
164 check_have A B C D E H L &&
165 check_dont_have F G I J K
166
167'
168
169test_expect_success 'recover and check' '
170
171 recover $F &&
172 check_fsck "dangling blob $F"
173
174'
175
176test_expect_success 'delete' '
177 echo 1 > C &&
178 test_tick &&
179 git commit -m rat C &&
180
181 echo 2 > C &&
182 test_tick &&
183 git commit -m ox C &&
184
185 echo 3 > C &&
186 test_tick &&
187 git commit -m tiger C &&
188
189 HEAD_entry_count=$(git reflog | wc -l) &&
190 master_entry_count=$(git reflog show master | wc -l) &&
191
192 test $HEAD_entry_count = 5 &&
193 test $master_entry_count = 5 &&
194
195
196 git reflog delete master@{1} &&
197 git reflog show master > output &&
198 test $(($master_entry_count - 1)) = $(wc -l < output) &&
199 test $HEAD_entry_count = $(git reflog | wc -l) &&
200 ! grep ox < output &&
201
202 master_entry_count=$(wc -l < output) &&
203
204 git reflog delete HEAD@{1} &&
205 test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
206 test $master_entry_count = $(git reflog show master | wc -l) &&
207
208 HEAD_entry_count=$(git reflog | wc -l) &&
209
210 git reflog delete master@{07.04.2005.15:15:00.-0700} &&
211 git reflog show master > output &&
212 test $(($master_entry_count - 1)) = $(wc -l < output) &&
213 ! grep dragon < output
214
215'
216
217test_expect_success 'rewind2' '
218
219 test_tick && git reset --hard HEAD~2 &&
220 git reflog refs/heads/master >output &&
221 test_line_count = 4 output
222'
223
224test_expect_success '--expire=never' '
225
226 git reflog expire --verbose \
227 --expire=never \
228 --expire-unreachable=never \
229 --all &&
230 git reflog refs/heads/master >output &&
231 test_line_count = 4 output
232'
233
234test_expect_success 'gc.reflogexpire=never' '
235
236 git config gc.reflogexpire never &&
237 git config gc.reflogexpireunreachable never &&
238 git reflog expire --verbose --all &&
239 git reflog refs/heads/master >output &&
240 test_line_count = 4 output
241'
242
243test_expect_success 'gc.reflogexpire=false' '
244
245 git config gc.reflogexpire false &&
246 git config gc.reflogexpireunreachable false &&
247 git reflog expire --verbose --all &&
248 git reflog refs/heads/master >output &&
249 test_line_count = 4 output &&
250
251 git config --unset gc.reflogexpire &&
252 git config --unset gc.reflogexpireunreachable
253
254'
255
256test_expect_success 'checkout should not delete log for packed ref' '
257 test $(git reflog master | wc -l) = 4 &&
258 git branch foo &&
259 git pack-refs --all &&
260 git checkout foo &&
261 test $(git reflog master | wc -l) = 4
262'
263
264test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
265 test_when_finished "git branch -d one || git branch -d one/two" &&
266
267 git branch one/two master &&
268 echo "one/two@{0} branch: Created from master" >expect &&
269 git log -g --format="%gd %gs" one/two >actual &&
270 test_cmp expect actual &&
271 git branch -d one/two &&
272
273 # now logs/refs/heads/one is a stale directory, but
274 # we should move it out of the way to create "one" reflog
275 git branch one master &&
276 echo "one@{0} branch: Created from master" >expect &&
277 git log -g --format="%gd %gs" one >actual &&
278 test_cmp expect actual
279'
280
281test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
282 test_when_finished "git branch -d one || git branch -d one/two" &&
283
284 git branch one/two master &&
285 echo "one/two@{0} branch: Created from master" >expect &&
286 git log -g --format="%gd %gs" one/two >actual &&
287 test_cmp expect actual &&
288 git branch -d one/two &&
289
290 # same as before, but we only create a reflog for "one" if
291 # it already exists, which it does not
292 git -c core.logallrefupdates=false branch one master &&
293 git log -g --format="%gd %gs" one >actual &&
294 test_must_be_empty actual
295'
296
297# Triggering the bug detected by this test requires a newline to fall
298# exactly BUFSIZ-1 bytes from the end of the file. We don't know
299# what that value is, since it's platform dependent. However, if
300# we choose some value N, we also catch any D which divides N evenly
301# (since we will read backwards in chunks of D). So we choose 8K,
302# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
303#
304# Each line is 114 characters, so we need 75 to still have a few before the
305# last 8K. The 89-character padding on the final entry lines up our
306# newline exactly.
307test_expect_success 'parsing reverse reflogs at BUFSIZ boundaries' '
308 git checkout -b reflogskip &&
309 z38=00000000000000000000000000000000000000 &&
310 ident="abc <xyz> 0000000001 +0000" &&
311 for i in $(test_seq 1 75); do
312 printf "$z38%02d $z38%02d %s\t" $i $(($i+1)) "$ident" &&
313 if test $i = 75; then
314 for j in $(test_seq 1 89); do
315 printf X
316 done
317 else
318 printf X
319 fi &&
320 printf "\n"
321 done >.git/logs/refs/heads/reflogskip &&
322 git rev-parse reflogskip@{73} >actual &&
323 echo ${z38}03 >expect &&
324 test_cmp expect actual
325'
326
327test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
328 git update-ref --create-reflog -m "Creating ref" \
329 refs/tests/tree-in-reflog HEAD &&
330 git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
331 git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
332 git reflog refs/tests/tree-in-reflog
333'
334
335test_expect_failure 'reflog with non-commit entries displays all entries' '
336 git reflog refs/tests/tree-in-reflog >actual &&
337 test_line_count = 3 actual
338'
339
340test_expect_success 'reflog expire operates on symref not referrent' '
341 git branch --create-reflog the_symref &&
342 git branch --create-reflog referrent &&
343 git update-ref referrent HEAD &&
344 git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
345 test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
346 touch .git/refs/heads/referrent.lock &&
347 git reflog expire --expire=all the_symref
348'
349
350test_expect_success 'continue walking past root commits' '
351 git init orphanage &&
352 (
353 cd orphanage &&
354 cat >expect <<-\EOF &&
355 HEAD@{0} commit (initial): orphan2-1
356 HEAD@{1} commit: orphan1-2
357 HEAD@{2} commit (initial): orphan1-1
358 HEAD@{3} commit (initial): initial
359 EOF
360 test_commit initial &&
361 git checkout --orphan orphan1 &&
362 test_commit orphan1-1 &&
363 test_commit orphan1-2 &&
364 git checkout --orphan orphan2 &&
365 test_commit orphan2-1 &&
366 git log -g --format="%gd %gs" >actual &&
367 test_cmp expect actual
368 )
369'
370
371test_expect_success 'expire with multiple worktrees' '
372 git init main-wt &&
373 (
374 cd main-wt &&
375 test_tick &&
376 test_commit foo &&
377 git worktree add link-wt &&
378 test_tick &&
379 test_commit -C link-wt foobar &&
380 test_tick &&
381 git reflog expire --verbose --all --expire=$test_tick &&
382 test_must_be_empty .git/worktrees/link-wt/logs/HEAD
383 )
384'
385
386test_done