79a4aef788
Quoting from Jeff King's commit message:
Commit e8cbe2118a (am: stop exporting GIT_COMMITTER_DATE, 2020-08-17)
rewrote the code for setting the committer date to use fmt_ident(),
rather than setting an environment variable and letting commit_tree()
handle it. But it introduced two bugs:
- we use the author email string instead of the committer email
- when parsing the committer ident, we used the wrong variable to
compute the length of the email, resulting in it always being a
zero-length string
The regression affected both am and rebase. Apply the upstream fixes.
References:
https://lore.kernel.org/git/20201023070747.GA2198273@coredump.intra.peff.net/
207 lines
8.4 KiB
Diff
207 lines
8.4 KiB
Diff
From 56706dba33f5d4457395c651cf1cd033c6c03c7a Mon Sep 17 00:00:00 2001
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From: Jeff King <peff@peff.net>
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Date: Fri, 23 Oct 2020 03:08:43 -0400
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Subject: [PATCH 1/3] t3436: check --committer-date-is-author-date result more
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carefully
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After running "rebase --committer-date-is-author-date", we confirm that
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the committer date is the same as the author date. However, we don't
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look at any other parts of the committer ident line to make sure we
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didn't screw them up. And indeed, there are a few bugs here. Depending
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on the rebase backend in use, we may accidentally use the author email
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instead of the committer's, or even an empty string.
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Let's teach our test_ctime_is_atime helper to check the committer name
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and email, which reveals several failing tests.
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Signed-off-by: Jeff King <peff@peff.net>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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---
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t/t3436-rebase-more-options.sh | 14 +++++++-------
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1 file changed, 7 insertions(+), 7 deletions(-)
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diff --git a/t/t3436-rebase-more-options.sh b/t/t3436-rebase-more-options.sh
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index 996e82787e..6f2f49717b 100755
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--- a/t/t3436-rebase-more-options.sh
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+++ b/t/t3436-rebase-more-options.sh
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@@ -65,31 +65,31 @@ test_expect_success '--ignore-whitespace is remembered when continuing' '
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'
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test_ctime_is_atime () {
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- git log $1 --format=%ai >authortime &&
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- git log $1 --format=%ci >committertime &&
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+ git log $1 --format="$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> %ai" >authortime &&
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+ git log $1 --format="%cn <%ce> %ci" >committertime &&
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test_cmp authortime committertime
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}
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-test_expect_success '--committer-date-is-author-date works with apply backend' '
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+test_expect_failure '--committer-date-is-author-date works with apply backend' '
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GIT_AUTHOR_DATE="@1234 +0300" git commit --amend --reset-author &&
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git rebase --apply --committer-date-is-author-date HEAD^ &&
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test_ctime_is_atime -1
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'
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-test_expect_success '--committer-date-is-author-date works with merge backend' '
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+test_expect_failure '--committer-date-is-author-date works with merge backend' '
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GIT_AUTHOR_DATE="@1234 +0300" git commit --amend --reset-author &&
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git rebase -m --committer-date-is-author-date HEAD^ &&
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test_ctime_is_atime -1
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'
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-test_expect_success '--committer-date-is-author-date works with rebase -r' '
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+test_expect_failure '--committer-date-is-author-date works with rebase -r' '
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git checkout side &&
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GIT_AUTHOR_DATE="@1234 +0300" git merge --no-ff commit3 &&
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git rebase -r --root --committer-date-is-author-date &&
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test_ctime_is_atime
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'
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-test_expect_success '--committer-date-is-author-date works when forking merge' '
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+test_expect_failure '--committer-date-is-author-date works when forking merge' '
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git checkout side &&
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GIT_AUTHOR_DATE="@1234 +0300" git merge --no-ff commit3 &&
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PATH="./test-bin:$PATH" git rebase -r --root --strategy=test \
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@@ -145,7 +145,7 @@ test_expect_success '--reset-author-date works with rebase -r' '
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test_atime_is_ignored
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'
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-test_expect_success '--reset-author-date with --committer-date-is-author-date works' '
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+test_expect_failure '--reset-author-date with --committer-date-is-author-date works' '
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test_must_fail git rebase -m --committer-date-is-author-date \
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--reset-author-date --onto commit2^^ commit2^ commit3 &&
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git checkout --theirs foo &&
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From 16b0bb99eac5ebd02a5dcabdff2cfc390e9d92ef Mon Sep 17 00:00:00 2001
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From: Jeff King <peff@peff.net>
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Date: Fri, 23 Oct 2020 03:09:39 -0400
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Subject: [PATCH 2/3] am: fix broken email with --committer-date-is-author-date
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Commit e8cbe2118a (am: stop exporting GIT_COMMITTER_DATE, 2020-08-17)
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rewrote the code for setting the committer date to use fmt_ident(),
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rather than setting an environment variable and letting commit_tree()
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handle it. But it introduced two bugs:
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- we use the author email string instead of the committer email
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- when parsing the committer ident, we used the wrong variable to
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compute the length of the email, resulting in it always being a
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zero-length string
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This commit fixes both, which causes our test of this option via the
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rebase "apply" backend to now succeed.
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Signed-off-by: Jeff King <peff@peff.net>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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---
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builtin/am.c | 4 ++--
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t/t3436-rebase-more-options.sh | 2 +-
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2 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/builtin/am.c b/builtin/am.c
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index 896cd0f827..af931e588c 100644
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--- a/builtin/am.c
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+++ b/builtin/am.c
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@@ -161,7 +161,7 @@ static void am_state_init(struct am_state *state)
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state->committer_name =
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xmemdupz(id.name_begin, id.name_end - id.name_begin);
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state->committer_email =
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- xmemdupz(id.mail_begin, id.mail_end - id.mail_end);
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+ xmemdupz(id.mail_begin, id.mail_end - id.mail_begin);
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}
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/**
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@@ -1595,7 +1595,7 @@ static void do_commit(const struct am_state *state)
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if (state->committer_date_is_author_date)
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committer = fmt_ident(state->committer_name,
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- state->author_email, WANT_COMMITTER_IDENT,
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+ state->committer_email, WANT_COMMITTER_IDENT,
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state->ignore_date ? NULL
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: state->author_date,
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IDENT_STRICT);
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diff --git a/t/t3436-rebase-more-options.sh b/t/t3436-rebase-more-options.sh
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index 6f2f49717b..3fda2235bd 100755
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--- a/t/t3436-rebase-more-options.sh
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+++ b/t/t3436-rebase-more-options.sh
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@@ -70,7 +70,7 @@ test_ctime_is_atime () {
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test_cmp authortime committertime
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}
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-test_expect_failure '--committer-date-is-author-date works with apply backend' '
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+test_expect_success '--committer-date-is-author-date works with apply backend' '
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GIT_AUTHOR_DATE="@1234 +0300" git commit --amend --reset-author &&
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git rebase --apply --committer-date-is-author-date HEAD^ &&
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test_ctime_is_atime -1
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From 5f35edd9d7ebca17f205b338d340cc6ce214644a Mon Sep 17 00:00:00 2001
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From: Jeff King <peff@peff.net>
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Date: Fri, 23 Oct 2020 03:10:15 -0400
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Subject: [PATCH 3/3] rebase: fix broken email with
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--committer-date-is-author-date
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Commit 7573cec52c (rebase -i: support --committer-date-is-author-date,
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2020-08-17) copied the committer ident-parsing code from builtin/am.c.
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And in doing so, it copied a bug in which we always set the email to an
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empty string. We fixed the version in git-am in the previous commit;
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this commit fixes the copied code.
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Reported-by: VenomVendor <info@venomvendor.com>
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Signed-off-by: Jeff King <peff@peff.net>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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---
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sequencer.c | 2 +-
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t/t3436-rebase-more-options.sh | 8 ++++----
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2 files changed, 5 insertions(+), 5 deletions(-)
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diff --git a/sequencer.c b/sequencer.c
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index 4ccb5451a9..9dcd3db3ef 100644
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--- a/sequencer.c
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+++ b/sequencer.c
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@@ -4369,7 +4369,7 @@ static int init_committer(struct replay_opts *opts)
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opts->committer_name =
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xmemdupz(id.name_begin, id.name_end - id.name_begin);
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opts->committer_email =
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- xmemdupz(id.mail_begin, id.mail_end - id.mail_end);
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+ xmemdupz(id.mail_begin, id.mail_end - id.mail_begin);
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return 0;
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}
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diff --git a/t/t3436-rebase-more-options.sh b/t/t3436-rebase-more-options.sh
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index 3fda2235bd..eaaf4c8d1d 100755
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--- a/t/t3436-rebase-more-options.sh
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+++ b/t/t3436-rebase-more-options.sh
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@@ -76,20 +76,20 @@ test_expect_success '--committer-date-is-author-date works with apply backend' '
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test_ctime_is_atime -1
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'
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-test_expect_failure '--committer-date-is-author-date works with merge backend' '
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+test_expect_success '--committer-date-is-author-date works with merge backend' '
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GIT_AUTHOR_DATE="@1234 +0300" git commit --amend --reset-author &&
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git rebase -m --committer-date-is-author-date HEAD^ &&
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test_ctime_is_atime -1
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'
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-test_expect_failure '--committer-date-is-author-date works with rebase -r' '
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+test_expect_success '--committer-date-is-author-date works with rebase -r' '
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git checkout side &&
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GIT_AUTHOR_DATE="@1234 +0300" git merge --no-ff commit3 &&
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git rebase -r --root --committer-date-is-author-date &&
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test_ctime_is_atime
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'
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-test_expect_failure '--committer-date-is-author-date works when forking merge' '
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+test_expect_success '--committer-date-is-author-date works when forking merge' '
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git checkout side &&
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GIT_AUTHOR_DATE="@1234 +0300" git merge --no-ff commit3 &&
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PATH="./test-bin:$PATH" git rebase -r --root --strategy=test \
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@@ -145,7 +145,7 @@ test_expect_success '--reset-author-date works with rebase -r' '
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test_atime_is_ignored
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'
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-test_expect_failure '--reset-author-date with --committer-date-is-author-date works' '
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+test_expect_success '--reset-author-date with --committer-date-is-author-date works' '
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test_must_fail git rebase -m --committer-date-is-author-date \
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--reset-author-date --onto commit2^^ commit2^ commit3 &&
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git checkout --theirs foo &&
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