1#!/bin/sh
2#
3# Copyright (c) 2006 Shawn Pearce
4#
5
6test_description='Test git update-ref and basic ref logging'
7. ./test-lib.sh
8
9Z=0000000000000000000000000000000000000000
10
11test_expect_success setup '
12
13 for name in A B C D E F
14 do
15 test_tick &&
16 T=$(git write-tree) &&
17 sha1=$(echo $name | git commit-tree $T) &&
18 eval $name=$sha1
19 done
20
21'
22
23m=refs/heads/master
24n_dir=refs/heads/gu
25n=$n_dir/fixes
26
27test_expect_success \
28 "create $m" \
29 "git update-ref $m $A &&
30 test $A"' = $(cat .git/'"$m"')'
31test_expect_success \
32 "create $m" \
33 "git update-ref $m $B $A &&
34 test $B"' = $(cat .git/'"$m"')'
35test_expect_success "fail to delete $m with stale ref" '
36 test_must_fail git update-ref -d $m $A &&
37 test $B = "$(cat .git/$m)"
38'
39test_expect_success "delete $m" '
40 git update-ref -d $m $B &&
41 ! test -f .git/$m
42'
43rm -f .git/$m
44
45test_expect_success "delete $m without oldvalue verification" "
46 git update-ref $m $A &&
47 test $A = \$(cat .git/$m) &&
48 git update-ref -d $m &&
49 ! test -f .git/$m
50"
51rm -f .git/$m
52
53test_expect_success \
54 "fail to create $n" \
55 "touch .git/$n_dir
56 git update-ref $n $A >out 2>err"'
57 test $? != 0'
58rm -f .git/$n_dir out err
59
60test_expect_success \
61 "create $m (by HEAD)" \
62 "git update-ref HEAD $A &&
63 test $A"' = $(cat .git/'"$m"')'
64test_expect_success \
65 "create $m (by HEAD)" \
66 "git update-ref HEAD $B $A &&
67 test $B"' = $(cat .git/'"$m"')'
68test_expect_success "fail to delete $m (by HEAD) with stale ref" '
69 test_must_fail git update-ref -d HEAD $A &&
70 test $B = $(cat .git/$m)
71'
72test_expect_success "delete $m (by HEAD)" '
73 git update-ref -d HEAD $B &&
74 ! test -f .git/$m
75'
76rm -f .git/$m
77
78cp -f .git/HEAD .git/HEAD.orig
79test_expect_success "delete symref without dereference" '
80 git update-ref --no-deref -d HEAD &&
81 ! test -f .git/HEAD
82'
83cp -f .git/HEAD.orig .git/HEAD
84
85test_expect_success "delete symref without dereference when the referred ref is packed" '
86 echo foo >foo.c &&
87 git add foo.c &&
88 git commit -m foo &&
89 git pack-refs --all &&
90 git update-ref --no-deref -d HEAD &&
91 ! test -f .git/HEAD
92'
93cp -f .git/HEAD.orig .git/HEAD
94git update-ref -d $m
95
96test_expect_success '(not) create HEAD with old sha1' "
97 test_must_fail git update-ref HEAD $A $B
98"
99test_expect_success "(not) prior created .git/$m" "
100 ! test -f .git/$m
101"
102rm -f .git/$m
103
104test_expect_success \
105 "create HEAD" \
106 "git update-ref HEAD $A"
107test_expect_success '(not) change HEAD with wrong SHA1' "
108 test_must_fail git update-ref HEAD $B $Z
109"
110test_expect_success "(not) changed .git/$m" "
111 ! test $B"' = $(cat .git/'"$m"')
112'
113rm -f .git/$m
114
115: a repository with working tree always has reflog these days...
116: >.git/logs/refs/heads/master
117test_expect_success \
118 "create $m (logged by touch)" \
119 'GIT_COMMITTER_DATE="2005-05-26 23:30" \
120 git update-ref HEAD '"$A"' -m "Initial Creation" &&
121 test '"$A"' = $(cat .git/'"$m"')'
122test_expect_success \
123 "update $m (logged by touch)" \
124 'GIT_COMMITTER_DATE="2005-05-26 23:31" \
125 git update-ref HEAD'" $B $A "'-m "Switch" &&
126 test '"$B"' = $(cat .git/'"$m"')'
127test_expect_success \
128 "set $m (logged by touch)" \
129 'GIT_COMMITTER_DATE="2005-05-26 23:41" \
130 git update-ref HEAD'" $A &&
131 test $A"' = $(cat .git/'"$m"')'
132
133cat >expect <<EOF
134$Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 Initial Creation
135$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000 Switch
136$B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000
137EOF
138test_expect_success \
139 "verifying $m's log" \
140 "diff expect .git/logs/$m"
141rm -rf .git/$m .git/logs expect
142
143test_expect_success \
144 'enable core.logAllRefUpdates' \
145 'git config core.logAllRefUpdates true &&
146 test true = $(git config --bool --get core.logAllRefUpdates)'
147
148test_expect_success \
149 "create $m (logged by config)" \
150 'GIT_COMMITTER_DATE="2005-05-26 23:32" \
151 git update-ref HEAD'" $A "'-m "Initial Creation" &&
152 test '"$A"' = $(cat .git/'"$m"')'
153test_expect_success \
154 "update $m (logged by config)" \
155 'GIT_COMMITTER_DATE="2005-05-26 23:33" \
156 git update-ref HEAD'" $B $A "'-m "Switch" &&
157 test '"$B"' = $(cat .git/'"$m"')'
158test_expect_success \
159 "set $m (logged by config)" \
160 'GIT_COMMITTER_DATE="2005-05-26 23:43" \
161 git update-ref HEAD '"$A &&
162 test $A"' = $(cat .git/'"$m"')'
163
164cat >expect <<EOF
165$Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 +0000 Initial Creation
166$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 +0000 Switch
167$B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 +0000
168EOF
169test_expect_success \
170 "verifying $m's log" \
171 'diff expect .git/logs/$m'
172rm -f .git/$m .git/logs/$m expect
173
174git update-ref $m $D
175cat >.git/logs/$m <<EOF
1760000000000000000000000000000000000000000 $C $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500
177$C $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150350 -0500
178$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500
179$F $Z $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500
180$Z $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500
181EOF
182
183ed="Thu, 26 May 2005 18:32:00 -0500"
184gd="Thu, 26 May 2005 18:33:00 -0500"
185ld="Thu, 26 May 2005 18:43:00 -0500"
186test_expect_success \
187 'Query "master@{May 25 2005}" (before history)' \
188 'rm -f o e
189 git rev-parse --verify "master@{May 25 2005}" >o 2>e &&
190 test '"$C"' = $(cat o) &&
191 test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
192test_expect_success \
193 "Query master@{2005-05-25} (before history)" \
194 'rm -f o e
195 git rev-parse --verify master@{2005-05-25} >o 2>e &&
196 test '"$C"' = $(cat o) &&
197 echo test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
198test_expect_success \
199 'Query "master@{May 26 2005 23:31:59}" (1 second before history)' \
200 'rm -f o e
201 git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e &&
202 test '"$C"' = $(cat o) &&
203 test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)"'
204test_expect_success \
205 'Query "master@{May 26 2005 23:32:00}" (exactly history start)' \
206 'rm -f o e
207 git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e &&
208 test '"$C"' = $(cat o) &&
209 test "" = "$(cat e)"'
210test_expect_success \
211 'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' \
212 'rm -f o e
213 git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e &&
214 test '"$A"' = $(cat o) &&
215 test "" = "$(cat e)"'
216test_expect_success \
217 'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' \
218 'rm -f o e
219 git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
220 test '"$B"' = $(cat o) &&
221 test "warning: Log .git/logs/'"$m has gap after $gd"'." = "$(cat e)"'
222test_expect_success \
223 'Query "master@{2005-05-26 23:38:00}" (middle of history)' \
224 'rm -f o e
225 git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e &&
226 test '"$Z"' = $(cat o) &&
227 test "" = "$(cat e)"'
228test_expect_success \
229 'Query "master@{2005-05-26 23:43:00}" (exact end of history)' \
230 'rm -f o e
231 git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e &&
232 test '"$E"' = $(cat o) &&
233 test "" = "$(cat e)"'
234test_expect_success \
235 'Query "master@{2005-05-28}" (past end of history)' \
236 'rm -f o e
237 git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
238 test '"$D"' = $(cat o) &&
239 test "warning: Log .git/logs/'"$m unexpectedly ended on $ld"'." = "$(cat e)"'
240
241
242rm -f .git/$m .git/logs/$m expect
243
244test_expect_success \
245 'creating initial files' \
246 'echo TEST >F &&
247 git add F &&
248 GIT_AUTHOR_DATE="2005-05-26 23:30" \
249 GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a &&
250 h_TEST=$(git rev-parse --verify HEAD)
251 echo The other day this did not work. >M &&
252 echo And then Bob told me how to fix it. >>M &&
253 echo OTHER >F &&
254 GIT_AUTHOR_DATE="2005-05-26 23:41" \
255 GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a &&
256 h_OTHER=$(git rev-parse --verify HEAD) &&
257 GIT_AUTHOR_DATE="2005-05-26 23:44" \
258 GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend &&
259 h_FIXED=$(git rev-parse --verify HEAD) &&
260 echo Merged initial commit and a later commit. >M &&
261 echo $h_TEST >.git/MERGE_HEAD &&
262 GIT_AUTHOR_DATE="2005-05-26 23:45" \
263 GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M &&
264 h_MERGED=$(git rev-parse --verify HEAD) &&
265 rm -f M'
266
267cat >expect <<EOF
268$Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 commit (initial): add
269$h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000 commit: The other day this did not work.
270$h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000 commit (amend): The other day this did not work.
271$h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000 commit (merge): Merged initial commit and a later commit.
272EOF
273test_expect_success \
274 'git commit logged updates' \
275 "diff expect .git/logs/$m"
276unset h_TEST h_OTHER h_FIXED h_MERGED
277
278test_expect_success \
279 'git cat-file blob master:F (expect OTHER)' \
280 'test OTHER = $(git cat-file blob master:F)'
281test_expect_success \
282 'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' \
283 'test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F")'
284test_expect_success \
285 'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' \
286 'test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F")'
287
288test_done