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)
20 . "$TEST_DIRECTORY"/lib-rebase.sh
24 git log --graph --boundary --format=%s "$@" >output &&
25 sed "s/ *$//" <output >output.trimmed &&
26 test_cmp expect output.trimmed
29 test_expect_success 'setup' '
30 write_script replace-editor.sh <<-\EOF &&
31 mv "$1" "$(git rev-parse --git-path ORIGINAL-TODO)"
32 cp script-from-scratch "$1"
36 git checkout -b first &&
38 git checkout master &&
41 git merge --no-commit B &&
45 git checkout -b second C &&
48 git checkout master &&
49 git merge --no-commit G &&
55 test_expect_success 'create completely different structure' '
56 cat >script-from-scratch <<-\EOF &&
71 merge onebranch # Merge the topic branch '\''onebranch'\''
73 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
76 test_cmp_graph <<-\EOF
77 * Merge the topic branch '\''onebranch'\''
91 test_expect_success 'generate correct todo list' '
92 cat >expect <<-\EOF &&
106 reset branch-point # C
108 merge -C 2051b56 E # E
109 merge -C 233d48a H # H
113 grep -v "^#" <.git/ORIGINAL-TODO >output &&
114 test_cmp expect output
117 test_expect_success '`reset` refuses to overwrite untracked files' '
118 git checkout -b refuse-to-reset &&
119 test_commit dont-overwrite-untracked &&
120 git checkout @{-1} &&
121 : >dont-overwrite-untracked.t &&
122 echo "reset refs/tags/dont-overwrite-untracked" >script-from-scratch &&
123 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
124 test_must_fail git rebase -r HEAD &&
128 test_expect_success 'failed `merge` writes patch (may be rescheduled, too)' '
129 test_when_finished "test_might_fail git rebase --abort" &&
130 git checkout -b conflicting-merge A &&
132 : fail because of conflicting untracked file &&
134 echo "merge -C H G" >script-from-scratch &&
135 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
137 test_must_fail git rebase -ir HEAD &&
138 grep "^merge -C .* G$" .git/rebase-merge/done &&
139 grep "^merge -C .* G$" .git/rebase-merge/git-rebase-todo &&
140 test_path_is_file .git/rebase-merge/patch &&
142 : fail because of merge conflict &&
143 rm G.t .git/rebase-merge/patch &&
145 test_commit conflicting-G G.t not-G conflicting-G &&
146 test_must_fail git rebase --continue &&
147 ! grep "^merge -C .* G$" .git/rebase-merge/git-rebase-todo &&
148 test_path_is_file .git/rebase-merge/patch
151 test_expect_success 'with a branch tip that was cherry-picked already' '
152 git checkout -b already-upstream master &&
153 base="$(git rev-parse --verify HEAD)" &&
157 git reset --hard $base &&
160 git merge -m "Merge branch A" A2 &&
162 git checkout -b upstream-with-a2 $base &&
164 git cherry-pick A2 &&
166 git checkout already-upstream &&
168 git rebase -i -r upstream-with-a2 &&
169 test_cmp_graph upstream-with-a2.. <<-\EOF
179 test_expect_success 'do not rebase cousins unless asked for' '
180 git checkout -b cousins master &&
181 before="$(git rev-parse --verify HEAD)" &&
183 git rebase -r HEAD^ &&
184 test_cmp_rev HEAD $before &&
186 git rebase --rebase-merges=rebase-cousins HEAD^ &&
187 test_cmp_graph HEAD^.. <<-\EOF
188 * Merge the topic branch '\''onebranch'\''
197 test_expect_success 'refs/rewritten/* is worktree-local' '
198 git worktree add wt &&
199 cat >wt/script-from-scratch <<-\EOF &&
201 exec GIT_DIR=../.git git rev-parse --verify refs/rewritten/xyz >a || :
202 exec git rev-parse --verify refs/rewritten/xyz >b
205 test_config -C wt sequence.editor \""$PWD"/replace-editor.sh\" &&
206 git -C wt rebase -i HEAD &&
207 test_must_be_empty wt/a &&
208 test_cmp_rev HEAD "$(cat wt/b)"
211 test_expect_success 'post-rewrite hook and fixups work for merges' '
212 git checkout -b post-rewrite &&
214 git reset --hard HEAD^ &&
216 git merge -m "to fix up" same1 &&
217 echo same old same old >same2.t &&
219 git commit --fixup HEAD same2.t &&
220 fixup="$(git rev-parse HEAD)" &&
222 mkdir -p .git/hooks &&
223 test_when_finished "rm .git/hooks/post-rewrite" &&
224 echo "cat >actual" | write_script .git/hooks/post-rewrite &&
227 git rebase -i --autosquash -r HEAD^^^ &&
228 printf "%s %s\n%s %s\n%s %s\n%s %s\n" >expect $(git rev-parse \
233 test_cmp expect actual
236 test_expect_success 'refuse to merge ancestors of HEAD' '
237 echo "merge HEAD^" >script-from-scratch &&
238 test_config -C wt sequence.editor \""$PWD"/replace-editor.sh\" &&
239 before="$(git rev-parse HEAD)" &&
240 git rebase -i HEAD &&
241 test_cmp_rev HEAD $before
244 test_expect_success 'root commits' '
245 git checkout --orphan unrelated &&
246 (GIT_AUTHOR_NAME="Parsnip" GIT_AUTHOR_EMAIL="root@example.com" \
247 test_commit second-root) &&
248 test_commit third-root &&
249 cat >script-from-scratch <<-\EOF &&
254 merge first-branch # Merge the 3rd root
256 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
258 git rebase -i --force --root -r &&
259 test "Parsnip" = "$(git show -s --format=%an HEAD^)" &&
260 test $(git rev-parse second-root^0) != $(git rev-parse HEAD^) &&
261 test $(git rev-parse second-root:second-root.t) = \
262 $(git rev-parse HEAD^:second-root.t) &&
263 test_cmp_graph HEAD <<-\EOF &&
270 : fast forward if possible &&
271 before="$(git rev-parse --verify HEAD)" &&
272 test_might_fail git config --unset sequence.editor &&
274 git rebase -i --root -r &&
275 test_cmp_rev HEAD $before
278 test_expect_success 'a "merge" into a root commit is a fast-forward' '
279 head=$(git rev-parse HEAD) &&
280 cat >script-from-scratch <<-EOF &&
284 test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
286 git rebase -i -r HEAD^ &&
287 test_cmp_rev HEAD $head
290 test_expect_success 'A root commit can be a cousin, treat it that way' '
291 git checkout --orphan khnum &&
293 git checkout -b asherah master &&
294 test_commit shamkat &&
295 git merge --allow-unrelated-histories khnum &&
297 git rebase -f -r HEAD^ &&
298 ! test_cmp_rev HEAD^2 khnum &&
299 test_cmp_graph HEAD^.. <<-\EOF &&
300 * Merge branch '\''khnum'\'' into asherah
306 git rebase --rebase-merges=rebase-cousins HEAD^ &&
307 test_cmp_graph HEAD^.. <<-\EOF
308 * Merge branch '\''khnum'\'' into asherah