3 # Copyright (c) 2010 Johan Herland
6 test_description='Test merging of notes trees'
10 test_expect_success setup '
16 # Create notes on 4 first commits
17 git config core.notesRef refs/notes/x &&
18 git notes add -m "Notes on 1st commit" 1st &&
19 git notes add -m "Notes on 2nd commit" 2nd &&
20 git notes add -m "Notes on 3rd commit" 3rd &&
21 git notes add -m "Notes on 4th commit" 4th &&
22 # Copy notes to remote-notes
23 git fetch . refs/notes/*:refs/remote-notes/origin/* &&
26 hash4a sha1:5e93d24084d32e1cb61f7070505b9d2530cca987
27 hash3a sha1:8366731eeee53787d2bdf8fc1eff7d94757e8da0
28 hash2a sha1:eede89064cd42441590d6afec6c37b321ada3389
29 hash1a sha1:daa55ffad6cb99bf64226532147ffcaf5ce8bdd1
30 hash5b sha1:0f2efbd00262f2fd41dfae33df8765618eeacd99
31 hash4b sha1:dec2502dac3ea161543f71930044deff93fa945c
32 hash3b sha1:4069cdb399fd45463ec6eef8e051a16a03592d91
33 hash2c sha1:d000d30e6ddcfce3a8122c403226a2ce2fd04d9d
34 hash1c sha1:43add6bd0c8c0bc871ac7991e0f5573cfba27804
35 hash4d sha1:1f257a3a90328557c452f0817d6cc50c89d315d4
36 hash3d sha1:05a4927951bcef347f51486575b878b2b60137f2
38 hash4a sha256:eef876be1d32ac2e2e42240e0429325cec116e55e88cb2969899fac695aa762f
39 hash3a sha256:cf7cd1bc091d7ba4166a86df864110e42087cd893a5ae96bc50d637e0290939d
40 hash2a sha256:21ddde7ebce2c285213898cb04deca0fd3209610cf7aaf8222e4e2f45262fae2
41 hash1a sha256:f9fe0eda16c6027732ed9d4295689a03abd16f893be69b3dcbf4037ddb191921
42 hash5b sha256:20046f2244577797a9e3d3f790ea9eca4d8a6bafb2a5570bcb0e03aa02ce100b
43 hash4b sha256:f90563d134c61a95bb88afbd45d48ccc9e919c62aa6fbfcd483302b3e4d8dbcb
44 hash3b sha256:988f2aca9f2d87e93e6a73197c2bb99560cc44a2f92d18653968f956f01221e0
45 hash2c sha256:84153b777b4d42827a756c6578dcdb59d8ae5d1360b874fb37c430150c825c26
46 hash1c sha256:9beb2bc4eef72e4c4087be168a20573e34d993d9ab1883055f23e322afa06567
47 hash4d sha256:32de39dc06e679a7abb2d4a55ede7709b3124340a4a90aa305971b1c72ac319d
48 hash3d sha256:fa73b20e41cbb7541c4c81d1535016131dbfbeb05bf6a71f6115e9cad31c7af5
52 commit_sha1=$(git rev-parse 1st^{commit})
53 commit_sha2=$(git rev-parse 2nd^{commit})
54 commit_sha3=$(git rev-parse 3rd^{commit})
55 commit_sha4=$(git rev-parse 4th^{commit})
56 commit_sha5=$(git rev-parse 5th^{commit})
60 git -c core.notesRef="refs/notes/$notes_ref" notes |
61 sort >"output_notes_$notes_ref" &&
62 test_cmp "expect_notes_$notes_ref" "output_notes_$notes_ref" &&
63 git -c core.notesRef="refs/notes/$notes_ref" log --format="%H %s%n%N" \
64 >"output_log_$notes_ref" &&
65 test_cmp "expect_log_$notes_ref" "output_log_$notes_ref"
68 cat <<EOF | sort >expect_notes_x
69 $(test_oid hash4a) $commit_sha4
70 $(test_oid hash3a) $commit_sha3
71 $(test_oid hash2a) $commit_sha2
72 $(test_oid hash1a) $commit_sha1
75 cat >expect_log_x <<EOF
92 test_expect_success 'verify initial notes (x)' '
96 cp expect_notes_x expect_notes_y
97 cp expect_notes_x expect_notes_v
98 cp expect_log_x expect_log_y
99 cp expect_log_x expect_log_v
101 test_expect_success 'fail to merge empty notes ref into empty notes ref (z => y)' '
102 test_must_fail git -c "core.notesRef=refs/notes/y" notes merge z
105 test_expect_success 'fail to merge into various non-notes refs' '
106 test_must_fail git -c "core.notesRef=refs/notes" notes merge x &&
107 test_must_fail git -c "core.notesRef=refs/notes/" notes merge x &&
108 git update-ref refs/notes/dir/foo HEAD &&
109 test_must_fail git -c "core.notesRef=refs/notes/dir" notes merge x &&
110 test_must_fail git -c "core.notesRef=refs/notes/dir/" notes merge x &&
111 test_must_fail git -c "core.notesRef=refs/heads/main" notes merge x &&
112 test_must_fail git -c "core.notesRef=refs/notes/y:" notes merge x &&
113 test_must_fail git -c "core.notesRef=refs/notes/y:foo" notes merge x &&
114 test_must_fail git -c "core.notesRef=refs/notes/foo^{bar" notes merge x
117 test_expect_success 'merge non-notes ref into empty notes ref (remote-notes/origin/x => v)' '
118 git config core.notesRef refs/notes/v &&
119 git notes merge refs/remote-notes/origin/x &&
121 # refs/remote-notes/origin/x and v should point to the same notes commit
122 test "$(git rev-parse refs/remote-notes/origin/x)" = "$(git rev-parse refs/notes/v)"
125 test_expect_success 'merge notes into empty notes ref (x => y)' '
126 git config core.notesRef refs/notes/y &&
129 # x and y should point to the same notes commit
130 test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
133 test_expect_success 'merge empty notes ref (z => y)' '
135 # y should not change (still == x)
136 test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
139 test_expect_success 'change notes on other notes ref (y)' '
140 # Not touching notes to 1st commit
141 git notes remove 2nd &&
142 git notes append -m "More notes on 3rd commit" 3rd &&
143 git notes add -f -m "New notes on 4th commit" 4th &&
144 git notes add -m "Notes on 5th commit" 5th
147 test_expect_success 'merge previous notes commit (y^ => y) => No-op' '
148 pre_state="$(git rev-parse refs/notes/y)" &&
149 git notes merge y^ &&
151 test "$pre_state" = "$(git rev-parse refs/notes/y)"
154 cat <<EOF | sort >expect_notes_y
155 $(test_oid hash5b) $commit_sha5
156 $(test_oid hash4b) $commit_sha4
157 $(test_oid hash3b) $commit_sha3
158 $(test_oid hash1a) $commit_sha1
161 cat >expect_log_y <<EOF
166 New notes on 4th commit
171 More notes on 3rd commit
180 test_expect_success 'verify changed notes on other notes ref (y)' '
184 test_expect_success 'verify unchanged notes on original notes ref (x)' '
188 test_expect_success 'merge original notes (x) into changed notes (y) => No-op' '
189 git notes merge -vvv x &&
194 cp expect_notes_y expect_notes_x
195 cp expect_log_y expect_log_x
197 test_expect_success 'merge changed (y) into original (x) => Fast-forward' '
198 git config core.notesRef refs/notes/x &&
202 # x and y should point to same the notes commit
203 test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
206 test_expect_success 'merge empty notes ref (z => y)' '
207 # Prepare empty (but valid) notes ref (z)
208 git config core.notesRef refs/notes/z &&
209 git notes add -m "foo" &&
211 git notes >output_notes_z &&
212 test_must_be_empty output_notes_z &&
213 # Do the merge (z => y)
214 git config core.notesRef refs/notes/y &&
217 # y should no longer point to the same notes commit as x
218 test "$(git rev-parse refs/notes/x)" != "$(git rev-parse refs/notes/y)"
221 cat <<EOF | sort >expect_notes_y
222 $(test_oid hash5b) $commit_sha5
223 $(test_oid hash4b) $commit_sha4
224 $(test_oid hash3b) $commit_sha3
225 $(test_oid hash2c) $commit_sha2
226 $(test_oid hash1c) $commit_sha1
229 cat >expect_log_y <<EOF
234 New notes on 4th commit
239 More notes on 3rd commit
242 New notes on 2nd commit
247 More notes on 1st commit
251 test_expect_success 'change notes on other notes ref (y)' '
252 # Append to 1st commit notes
253 git notes append -m "More notes on 1st commit" 1st &&
254 # Add new notes to 2nd commit
255 git notes add -m "New notes on 2nd commit" 2nd &&
259 cat <<EOF | sort >expect_notes_x
260 $(test_oid hash5b) $commit_sha5
261 $(test_oid hash4d) $commit_sha4
262 $(test_oid hash1a) $commit_sha1
265 cat >expect_log_x <<EOF
270 New notes on 4th commit
272 More notes on 4th commit
283 test_expect_success 'change notes on notes ref (x)' '
284 git config core.notesRef refs/notes/x &&
285 git notes remove 3rd &&
286 git notes append -m "More notes on 4th commit" 4th &&
290 cat <<EOF | sort >expect_notes_x
291 $(test_oid hash5b) $commit_sha5
292 $(test_oid hash4d) $commit_sha4
293 $(test_oid hash2c) $commit_sha2
294 $(test_oid hash1c) $commit_sha1
297 cat >expect_log_x <<EOF
302 New notes on 4th commit
304 More notes on 4th commit
309 New notes on 2nd commit
314 More notes on 1st commit
318 test_expect_success 'merge y into x => Non-conflicting 3-way merge' '
324 cat <<EOF | sort >expect_notes_w
325 $(test_oid hash3d) $commit_sha3
326 $(test_oid hash2c) $commit_sha2
329 cat >expect_log_w <<EOF
335 New notes on 3rd commit
338 New notes on 2nd commit
344 test_expect_success 'create notes on new, separate notes ref (w)' '
345 git config core.notesRef refs/notes/w &&
346 # Add same note as refs/notes/y on 2nd commit
347 git notes add -m "New notes on 2nd commit" 2nd &&
348 # Add new note on 3rd commit (non-conflicting)
349 git notes add -m "New notes on 3rd commit" 3rd &&
350 # Verify state of notes on new, separate notes ref (w)
354 cat <<EOF | sort >expect_notes_x
355 $(test_oid hash5b) $commit_sha5
356 $(test_oid hash4d) $commit_sha4
357 $(test_oid hash3d) $commit_sha3
358 $(test_oid hash2c) $commit_sha2
359 $(test_oid hash1c) $commit_sha1
362 cat >expect_log_x <<EOF
367 New notes on 4th commit
369 More notes on 4th commit
372 New notes on 3rd commit
375 New notes on 2nd commit
380 More notes on 1st commit
384 test_expect_success 'merge w into x => Non-conflicting history-less merge' '
385 git config core.notesRef refs/notes/x &&
387 # Verify new state of notes on other notes ref (x)
389 # Also verify that nothing changed on other notes refs (y and w)