3 # Copyright (c) 2018 Johannes E. Schindelin
6 test_description='git rebase -i --rebase-merges
8 This test runs git rebase "interactively", retaining the branch structure by
9 recreating merge commits.
15 A - C - D - E - H (master)
22 . "$TEST_DIRECTORY"/lib-rebase.sh
26 git log --graph --boundary --format=%s "$@" >output &&
27 sed "s/ *$//" <output >output.trimmed &&
28 test_cmp expect output.trimmed
31 test_expect_success 'setup' '
32 write_script replace-editor.sh <<-\EOF &&
33 mv "$1" "$(git rev-parse --git-path ORIGINAL-TODO)"
34 cp script-from-scratch "$1"
38 git checkout -b first &&
40 git checkout master &&
43 git merge --no-commit B &&
47 git checkout -b second C &&
50 git checkout master &&
51 git merge --no-commit G &&
56 test_commit conflicting-G G.t
59 test_expect_success 'create completely different structure' '
60 cat >script-from-scratch <<-\EOF &&
75 merge onebranch # Merge the topic branch '\''onebranch'\''
77 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
79 git rebase -i -r A master &&
80 test_cmp_graph <<-\EOF
81 * Merge the topic branch '\''onebranch'\''
95 test_expect_success 'generate correct todo list' '
96 cat >expect <<-\EOF &&
110 reset branch-point # C
112 merge -C 2051b56 E # E
113 merge -C 233d48a H # H
117 grep -v "^#" <.git/ORIGINAL-TODO >output &&
118 test_cmp expect output
121 test_expect_success '`reset` refuses to overwrite untracked files' '
122 git checkout -b refuse-to-reset &&
123 test_commit dont-overwrite-untracked &&
124 git checkout @{-1} &&
125 : >dont-overwrite-untracked.t &&
126 echo "reset refs/tags/dont-overwrite-untracked" >script-from-scratch &&
127 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
128 test_must_fail git rebase -r HEAD &&
132 test_expect_success 'failed `merge -C` writes patch (may be rescheduled, too)' '
133 test_when_finished "test_might_fail git rebase --abort" &&
134 git checkout -b conflicting-merge A &&
136 : fail because of conflicting untracked file &&
138 echo "merge -C H G" >script-from-scratch &&
139 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
141 test_must_fail git rebase -ir HEAD &&
142 grep "^merge -C .* G$" .git/rebase-merge/done &&
143 grep "^merge -C .* G$" .git/rebase-merge/git-rebase-todo &&
144 test_path_is_file .git/rebase-merge/patch &&
146 : fail because of merge conflict &&
147 rm G.t .git/rebase-merge/patch &&
148 git reset --hard conflicting-G &&
149 test_must_fail git rebase --continue &&
150 ! grep "^merge -C .* G$" .git/rebase-merge/git-rebase-todo &&
151 test_path_is_file .git/rebase-merge/patch
155 test_expect_success 'failed `merge <branch>` does not crash' '
156 test_when_finished "test_might_fail git rebase --abort" &&
157 git checkout conflicting-G &&
159 echo "merge G" >script-from-scratch &&
160 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
162 test_must_fail git rebase -ir HEAD &&
163 ! grep "^merge G$" .git/rebase-merge/git-rebase-todo &&
164 grep "^Merge branch ${SQ}G${SQ}$" .git/rebase-merge/message
167 test_expect_success 'with a branch tip that was cherry-picked already' '
168 git checkout -b already-upstream master &&
169 base="$(git rev-parse --verify HEAD)" &&
173 git reset --hard $base &&
176 git merge -m "Merge branch A" A2 &&
178 git checkout -b upstream-with-a2 $base &&
180 git cherry-pick A2 &&
182 git checkout already-upstream &&
184 git rebase -i -r upstream-with-a2 &&
185 test_cmp_graph upstream-with-a2.. <<-\EOF
195 test_expect_success 'do not rebase cousins unless asked for' '
196 git checkout -b cousins master &&
197 before="$(git rev-parse --verify HEAD)" &&
199 git rebase -r HEAD^ &&
200 test_cmp_rev HEAD $before &&
202 git rebase --rebase-merges=rebase-cousins HEAD^ &&
203 test_cmp_graph HEAD^.. <<-\EOF
204 * Merge the topic branch '\''onebranch'\''
213 test_expect_success 'refs/rewritten/* is worktree-local' '
214 git worktree add wt &&
215 cat >wt/script-from-scratch <<-\EOF &&
217 exec GIT_DIR=../.git git rev-parse --verify refs/rewritten/xyz >a || :
218 exec git rev-parse --verify refs/rewritten/xyz >b
221 test_config -C wt sequence.editor \""$PWD"/replace-editor.sh\" &&
222 git -C wt rebase -i HEAD &&
223 test_must_be_empty wt/a &&
224 test_cmp_rev HEAD "$(cat wt/b)"
227 test_expect_success 'post-rewrite hook and fixups work for merges' '
228 git checkout -b post-rewrite &&
230 git reset --hard HEAD^ &&
232 git merge -m "to fix up" same1 &&
233 echo same old same old >same2.t &&
235 git commit --fixup HEAD same2.t &&
236 fixup="$(git rev-parse HEAD)" &&
238 mkdir -p .git/hooks &&
239 test_when_finished "rm .git/hooks/post-rewrite" &&
240 echo "cat >actual" | write_script .git/hooks/post-rewrite &&
243 git rebase -i --autosquash -r HEAD^^^ &&
244 printf "%s %s\n%s %s\n%s %s\n%s %s\n" >expect $(git rev-parse \
249 test_cmp expect actual
252 test_expect_success 'refuse to merge ancestors of HEAD' '
253 echo "merge HEAD^" >script-from-scratch &&
254 test_config -C wt sequence.editor \""$PWD"/replace-editor.sh\" &&
255 before="$(git rev-parse HEAD)" &&
256 git rebase -i HEAD &&
257 test_cmp_rev HEAD $before
260 test_expect_success 'root commits' '
261 git checkout --orphan unrelated &&
262 (GIT_AUTHOR_NAME="Parsnip" GIT_AUTHOR_EMAIL="root@example.com" \
263 test_commit second-root) &&
264 test_commit third-root &&
265 cat >script-from-scratch <<-\EOF &&
270 merge first-branch # Merge the 3rd root
272 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
274 git rebase -i --force --root -r &&
275 test "Parsnip" = "$(git show -s --format=%an HEAD^)" &&
276 test $(git rev-parse second-root^0) != $(git rev-parse HEAD^) &&
277 test $(git rev-parse second-root:second-root.t) = \
278 $(git rev-parse HEAD^:second-root.t) &&
279 test_cmp_graph HEAD <<-\EOF &&
286 : fast forward if possible &&
287 before="$(git rev-parse --verify HEAD)" &&
288 test_might_fail git config --unset sequence.editor &&
290 git rebase -i --root -r &&
291 test_cmp_rev HEAD $before
294 test_expect_success 'a "merge" into a root commit is a fast-forward' '
295 head=$(git rev-parse HEAD) &&
296 cat >script-from-scratch <<-EOF &&
300 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
302 git rebase -i -r HEAD^ &&
303 test_cmp_rev HEAD $head
306 test_expect_success 'A root commit can be a cousin, treat it that way' '
307 git checkout --orphan khnum &&
309 git checkout -b asherah master &&
310 test_commit shamkat &&
311 git merge --allow-unrelated-histories khnum &&
313 git rebase -f -r HEAD^ &&
314 ! test_cmp_rev HEAD^2 khnum &&
315 test_cmp_graph HEAD^.. <<-\EOF &&
316 * Merge branch '\''khnum'\'' into asherah
322 git rebase --rebase-merges=rebase-cousins HEAD^ &&
323 test_cmp_graph HEAD^.. <<-\EOF
324 * Merge branch '\''khnum'\'' into asherah
332 test_expect_success 'labels that are object IDs are rewritten' '
333 git checkout -b third B &&
335 third=$(git rev-parse HEAD) &&
336 git checkout -b labels master &&
337 git merge --no-commit third &&
339 git commit -m "Merge commit '\''$third'\'' into labels" &&
340 echo noop >script-from-scratch &&
341 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
343 git rebase -i -r A &&
344 grep "^label $third-" .git/ORIGINAL-TODO &&
345 ! grep "^label $third$" .git/ORIGINAL-TODO
348 test_expect_success 'octopus merges' '
349 git checkout -b three &&
350 test_commit before-octopus &&
352 git checkout -b two HEAD^ &&
354 git checkout -b one HEAD^ &&
357 (GIT_AUTHOR_NAME="Hank" GIT_AUTHOR_EMAIL="hank@sea.world" \
358 git merge -m "Tüntenfüsch" two three) &&
360 : fast forward if possible &&
361 before="$(git rev-parse --verify HEAD)" &&
363 git rebase -i -r HEAD^^ &&
364 test_cmp_rev HEAD $before &&
367 git rebase -i --force -r HEAD^^ &&
368 test "Hank" = "$(git show -s --format=%an HEAD)" &&
369 test "$before" != $(git rev-parse HEAD) &&
370 test_cmp_graph HEAD^^.. <<-\EOF
382 test_expect_success 'with --autosquash and --exec' '
383 git checkout -b with-exec H &&
386 git commit --fixup B B.t &&
387 write_script show.sh <<-\EOF &&
388 subject="$(git show -s --format=%s HEAD)"
389 content="$(git diff HEAD^! | tail -n 1)"
390 echo "$subject: $content"
393 git rebase -ir --autosquash --exec ./show.sh A >actual &&
394 grep "B: +Booh" actual &&
395 grep "E: +Booh" actual &&