summaryrefslogtreecommitdiff
path: root/t/t3210-pack-refs.sh
blob: 90eea195649efb8405305bdcc1b9de99370848ad (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
#!/bin/sh
#
# Copyright (c) 2005 Amos Waterland
# Copyright (c) 2006 Christian Couder
#

test_description='git pack-refs should not change the branch semantic

This test runs git pack-refs and git show-ref and checks that the branch
semantic is still the same.
'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./test-lib.sh

test_expect_success 'enable reflogs' '
	git config core.logallrefupdates true
'

test_expect_success \
    'prepare a trivial repository' \
    'echo Hello > A &&
     git update-index --add A &&
     git commit -m "Initial commit." &&
     HEAD=$(git rev-parse --verify HEAD)'

SHA1=

test_expect_success \
    'see if git show-ref works as expected' \
    'git branch a &&
     SHA1=$(cat .git/refs/heads/a) &&
     echo "$SHA1 refs/heads/a" >expect &&
     git show-ref a >result &&
     test_cmp expect result'

test_expect_success \
    'see if a branch still exists when packed' \
    'git branch b &&
     git pack-refs --all &&
     rm -f .git/refs/heads/b &&
     echo "$SHA1 refs/heads/b" >expect &&
     git show-ref b >result &&
     test_cmp expect result'

test_expect_success 'git branch c/d should barf if branch c exists' '
     git branch c &&
     git pack-refs --all &&
     rm -f .git/refs/heads/c &&
     test_must_fail git branch c/d
'

test_expect_success \
    'see if a branch still exists after git pack-refs --prune' \
    'git branch e &&
     git pack-refs --all --prune &&
     echo "$SHA1 refs/heads/e" >expect &&
     git show-ref e >result &&
     test_cmp expect result'

test_expect_success 'see if git pack-refs --prune remove ref files' '
     git branch f &&
     git pack-refs --all --prune &&
     ! test -f .git/refs/heads/f
'

test_expect_success 'see if git pack-refs --prune removes empty dirs' '
     git branch r/s/t &&
     git pack-refs --all --prune &&
     ! test -e .git/refs/heads/r
'

test_expect_success \
    'git branch g should work when git branch g/h has been deleted' \
    'git branch g/h &&
     git pack-refs --all --prune &&
     git branch -d g/h &&
     git branch g &&
     git pack-refs --all &&
     git branch -d g'

test_expect_success 'git branch i/j/k should barf if branch i exists' '
     git branch i &&
     git pack-refs --all --prune &&
     test_must_fail git branch i/j/k
'

test_expect_success \
    'test git branch k after branch k/l/m and k/lm have been deleted' \
    'git branch k/l &&
     git branch k/lm &&
     git branch -d k/l &&
     git branch k/l/m &&
     git branch -d k/l/m &&
     git branch -d k/lm &&
     git branch k'

test_expect_success \
    'test git branch n after some branch deletion and pruning' \
    'git branch n/o &&
     git branch n/op &&
     git branch -d n/o &&
     git branch n/o/p &&
     git branch -d n/op &&
     git pack-refs --all --prune &&
     git branch -d n/o/p &&
     git branch n'

test_expect_success \
	'see if up-to-date packed refs are preserved' \
	'git branch q &&
	 git pack-refs --all --prune &&
	 git update-ref refs/heads/q refs/heads/q &&
	 ! test -f .git/refs/heads/q'

test_expect_success 'pack, prune and repack' '
	git tag foo &&
	git pack-refs --all --prune &&
	git show-ref >all-of-them &&
	git pack-refs &&
	git show-ref >again &&
	test_cmp all-of-them again
'

test_expect_success 'explicit pack-refs with dangling packed reference' '
	git commit --allow-empty -m "soon to be garbage-collected" &&
	git pack-refs --all &&
	git reset --hard HEAD^ &&
	git reflog expire --expire=all --all &&
	git prune --expire=all &&
	git pack-refs --all 2>result &&
	test_must_be_empty result
'

test_expect_success 'delete ref with dangling packed version' '
	git checkout -b lamb &&
	git commit --allow-empty -m "future garbage" &&
	git pack-refs --all &&
	git reset --hard HEAD^ &&
	git checkout master &&
	git reflog expire --expire=all --all &&
	git prune --expire=all &&
	git branch -d lamb 2>result &&
	test_must_be_empty result
'

test_expect_success 'delete ref while another dangling packed ref' '
	git branch lamb &&
	git commit --allow-empty -m "future garbage" &&
	git pack-refs --all &&
	git reset --hard HEAD^ &&
	git reflog expire --expire=all --all &&
	git prune --expire=all &&
	git branch -d lamb 2>result &&
	test_must_be_empty result
'

test_expect_success 'pack ref directly below refs/' '
	git update-ref refs/top HEAD &&
	git pack-refs --all --prune &&
	grep refs/top .git/packed-refs &&
	test_path_is_missing .git/refs/top
'

test_expect_success 'do not pack ref in refs/bisect' '
	git update-ref refs/bisect/local HEAD &&
	git pack-refs --all --prune &&
	! grep refs/bisect/local .git/packed-refs >/dev/null &&
	test_path_is_file .git/refs/bisect/local
'

test_expect_success 'disable reflogs' '
	git config core.logallrefupdates false &&
	rm -rf .git/logs
'

test_expect_success 'create packed foo/bar/baz branch' '
	git branch foo/bar/baz &&
	git pack-refs --all --prune &&
	test_path_is_missing .git/refs/heads/foo/bar/baz &&
	test_must_fail git reflog exists refs/heads/foo/bar/baz
'

test_expect_success 'notice d/f conflict with existing directory' '
	test_must_fail git branch foo &&
	test_must_fail git branch foo/bar
'

test_expect_success 'existing directory reports concrete ref' '
	test_must_fail git branch foo 2>stderr &&
	test_i18ngrep refs/heads/foo/bar/baz stderr
'

test_expect_success 'notice d/f conflict with existing ref' '
	test_must_fail git branch foo/bar/baz/extra &&
	test_must_fail git branch foo/bar/baz/lots/of/extra/components
'

test_expect_success 'reject packed-refs with unterminated line' '
	cp .git/packed-refs .git/packed-refs.bak &&
	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	printf "%s" "$HEAD refs/zzzzz" >>.git/packed-refs &&
	echo "fatal: unterminated line in .git/packed-refs: $HEAD refs/zzzzz" >expected_err &&
	test_must_fail git for-each-ref >out 2>err &&
	test_cmp expected_err err
'

test_expect_success 'reject packed-refs containing junk' '
	cp .git/packed-refs .git/packed-refs.bak &&
	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	printf "%s\n" "bogus content" >>.git/packed-refs &&
	echo "fatal: unexpected line in .git/packed-refs: bogus content" >expected_err &&
	test_must_fail git for-each-ref >out 2>err &&
	test_cmp expected_err err
'

test_expect_success 'reject packed-refs with a short SHA-1' '
	cp .git/packed-refs .git/packed-refs.bak &&
	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	printf "%.7s %s\n" $HEAD refs/zzzzz >>.git/packed-refs &&
	printf "fatal: unexpected line in .git/packed-refs: %.7s %s\n" $HEAD refs/zzzzz >expected_err &&
	test_must_fail git for-each-ref >out 2>err &&
	test_cmp expected_err err
'

test_expect_success 'timeout if packed-refs.lock exists' '
	LOCK=.git/packed-refs.lock &&
	>"$LOCK" &&
	test_when_finished "rm -f $LOCK" &&
	test_must_fail git pack-refs --all --prune
'

test_expect_success 'retry acquiring packed-refs.lock' '
	LOCK=.git/packed-refs.lock &&
	>"$LOCK" &&
	test_when_finished "wait && rm -f $LOCK" &&
	{
		( sleep 1 && rm -f $LOCK ) &
	} &&
	git -c core.packedrefstimeout=3000 pack-refs --all --prune
'

test_expect_success SYMLINKS 'pack symlinked packed-refs' '
	# First make sure that symlinking works when reading:
	git update-ref refs/heads/lossy refs/heads/master &&
	git for-each-ref >all-refs-before &&
	mv .git/packed-refs .git/my-deviant-packed-refs &&
	ln -s my-deviant-packed-refs .git/packed-refs &&
	git for-each-ref >all-refs-linked &&
	test_cmp all-refs-before all-refs-linked &&
	git pack-refs --all --prune &&
	git for-each-ref >all-refs-packed &&
	test_cmp all-refs-before all-refs-packed &&
	test -h .git/packed-refs &&
	test "$(readlink .git/packed-refs)" = "my-deviant-packed-refs"
'

test_done