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 test_line_count = 4 .git/logs/refs/heads/master
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
115 git prune &&
116
117 check_have A B C D E F G H I J K L &&
118
119 test_line_count = 5 .git/logs/refs/heads/master
120'
121
122test_expect_success 'corrupt and check' '
123
124 corrupt $F &&
125 check_fsck "missing blob $F"
126
127'
128
129test_expect_success 'reflog expire --dry-run should not touch reflog' '
130
131 git reflog expire --dry-run \
132 --expire=$(($test_tick - 10000)) \
133 --expire-unreachable=$(($test_tick - 10000)) \
134 --stale-fix \
135 --all &&
136
137 test_line_count = 5 .git/logs/refs/heads/master &&
138
139 check_fsck "missing blob $F"
140'
141
142test_expect_success 'reflog expire' '
143
144 git reflog expire --verbose \
145 --expire=$(($test_tick - 10000)) \
146 --expire-unreachable=$(($test_tick - 10000)) \
147 --stale-fix \
148 --all &&
149
150 test_line_count = 2 .git/logs/refs/heads/master &&
151
152 check_fsck "dangling commit $K"
153'
154
155test_expect_success 'prune and fsck' '
156
157 git prune &&
158 check_fsck &&
159
160 check_have A B C D E H L &&
161 check_dont_have F G I J K
162
163'
164
165test_expect_success 'recover and check' '
166
167 recover $F &&
168 check_fsck "dangling blob $F"
169
170'
171
172test_expect_success 'delete' '
173 echo 1 > C &&
174 test_tick &&
175 git commit -m rat C &&
176
177 echo 2 > C &&
178 test_tick &&
179 git commit -m ox C &&
180
181 echo 3 > C &&
182 test_tick &&
183 git commit -m tiger C &&
184
185 HEAD_entry_count=$(git reflog | wc -l) &&
186 master_entry_count=$(git reflog show master | wc -l) &&
187
188 test $HEAD_entry_count = 5 &&
189 test $master_entry_count = 5 &&
190
191
192 git reflog delete master@{1} &&
193 git reflog show master > output &&
194 test $(($master_entry_count - 1)) = $(wc -l < output) &&
195 test $HEAD_entry_count = $(git reflog | wc -l) &&
196 ! grep ox < output &&
197
198 master_entry_count=$(wc -l < output) &&
199
200 git reflog delete HEAD@{1} &&
201 test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
202 test $master_entry_count = $(git reflog show master | wc -l) &&
203
204 HEAD_entry_count=$(git reflog | wc -l) &&
205
206 git reflog delete master@{07.04.2005.15:15:00.-0700} &&
207 git reflog show master > output &&
208 test $(($master_entry_count - 1)) = $(wc -l < output) &&
209 ! grep dragon < output
210
211'
212
213test_expect_success 'rewind2' '
214
215 test_tick && git reset --hard HEAD~2 &&
216 test_line_count = 4 .git/logs/refs/heads/master
217'
218
219test_expect_success '--expire=never' '
220
221 git reflog expire --verbose \
222 --expire=never \
223 --expire-unreachable=never \
224 --all &&
225 test_line_count = 4 .git/logs/refs/heads/master
226'
227
228test_expect_success 'gc.reflogexpire=never' '
229
230 git config gc.reflogexpire never &&
231 git config gc.reflogexpireunreachable never &&
232 git reflog expire --verbose --all &&
233 test_line_count = 4 .git/logs/refs/heads/master
234'
235
236test_expect_success 'gc.reflogexpire=false' '
237
238 git config gc.reflogexpire false &&
239 git config gc.reflogexpireunreachable false &&
240 git reflog expire --verbose --all &&
241 test_line_count = 4 .git/logs/refs/heads/master &&
242
243 git config --unset gc.reflogexpire &&
244 git config --unset gc.reflogexpireunreachable
245
246'
247
248test_expect_success 'checkout should not delete log for packed ref' '
249 test $(git reflog master | wc -l) = 4 &&
250 git branch foo &&
251 git pack-refs --all &&
252 git checkout foo &&
253 test $(git reflog master | wc -l) = 4
254'
255
256test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
257 test_when_finished "git branch -d one || git branch -d one/two" &&
258
259 git branch one/two master &&
260 echo "one/two@{0} branch: Created from master" >expect &&
261 git log -g --format="%gd %gs" one/two >actual &&
262 test_cmp expect actual &&
263 git branch -d one/two &&
264
265 # now logs/refs/heads/one is a stale directory, but
266 # we should move it out of the way to create "one" reflog
267 git branch one master &&
268 echo "one@{0} branch: Created from master" >expect &&
269 git log -g --format="%gd %gs" one >actual &&
270 test_cmp expect actual
271'
272
273test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
274 test_when_finished "git branch -d one || git branch -d one/two" &&
275
276 git branch one/two master &&
277 echo "one/two@{0} branch: Created from master" >expect &&
278 git log -g --format="%gd %gs" one/two >actual &&
279 test_cmp expect actual &&
280 git branch -d one/two &&
281
282 # same as before, but we only create a reflog for "one" if
283 # it already exists, which it does not
284 git -c core.logallrefupdates=false branch one master &&
285 : >expect &&
286 git log -g --format="%gd %gs" one >actual &&
287 test_cmp expect actual
288'
289
290# Triggering the bug detected by this test requires a newline to fall
291# exactly BUFSIZ-1 bytes from the end of the file. We don't know
292# what that value is, since it's platform dependent. However, if
293# we choose some value N, we also catch any D which divides N evenly
294# (since we will read backwards in chunks of D). So we choose 8K,
295# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
296#
297# Each line is 114 characters, so we need 75 to still have a few before the
298# last 8K. The 89-character padding on the final entry lines up our
299# newline exactly.
300test_expect_success 'parsing reverse reflogs at BUFSIZ boundaries' '
301 git checkout -b reflogskip &&
302 z38=00000000000000000000000000000000000000 &&
303 ident="abc <xyz> 0000000001 +0000" &&
304 for i in $(test_seq 1 75); do
305 printf "$z38%02d $z38%02d %s\t" $i $(($i+1)) "$ident" &&
306 if test $i = 75; then
307 for j in $(test_seq 1 89); do
308 printf X
309 done
310 else
311 printf X
312 fi &&
313 printf "\n"
314 done >.git/logs/refs/heads/reflogskip &&
315 git rev-parse reflogskip@{73} >actual &&
316 echo ${z38}03 >expect &&
317 test_cmp expect actual
318'
319
320test_done