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git-show: fix 'git show -s' to not add extra terminator after merge commit
When git show -s is called for merge commit it prints extra newline
after any merge commit. This differs from output for commits with one
parent. Fix it by more thorough checking that diff output is disabled.
The code in question exists since commit 3969cf7db1
. The additional
newline is really needed for cases when patch is requested, test
t4013-diff-various.sh contains cases which can demonstrate behavior when
the condition is restricted further.
Tests:
Added merge commit to 'set up a bit of history' case in t7007-show.sh to
cover the fix.
Existing tests are updated to demonstrate the new behaviour. Earlier,
the tests that used "git show -s --pretty=format:%s", even though
"--pretty=format:%s" calls for item separator semantics and does not ask
for the terminating newline after the last item, expected the output to
end with such a newline. They were relying on the buggy behaviour. Use
of "--format=%s", which is equivalent to "--pretty=tformat:%s" that asks
for a terminating newline after each item, is a more realistic way to
use the command.
In the test 'merge log messages' the expected data is changed, because
it was explicitly listing the extra newline. Also the msg.nologff and
msg.nolognoff expected files are replaced by one msg.nolog, because they
were diffing because of the bug, and now there should be no difference.
Signed-off-by: Max Kirillov <max@max630.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
parent
7bbc4e8fdb
commit
ad2f7255b3
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@ -1331,7 +1331,8 @@ void diff_tree_combined(const unsigned char *sha1,
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if (show_log_first && i == 0) {
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show_log(rev);
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if (rev->verbose_header && opt->output_format)
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if (rev->verbose_header && opt->output_format &&
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opt->output_format != DIFF_FORMAT_NO_OUTPUT)
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printf("%s%c", diff_line_prefix(opt),
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opt->line_termination);
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}
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@ -121,7 +121,7 @@ test_expect_success 'merge my-side@{u} records the correct name' '
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git branch -D new ;# can fail but is ok
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git branch -t new my-side@{u} &&
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git merge -s ours new@{u} &&
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git show -s --pretty=format:%s >actual &&
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git show -s --pretty=tformat:%s >actual &&
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echo "Merge remote-tracking branch ${sq}origin/side${sq}" >expect &&
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test_cmp expect actual
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)
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@ -24,7 +24,8 @@ test_expect_success 'set up a bit of history' '
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git tag -m "annotated tag" annotated &&
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git checkout -b side HEAD^^ &&
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test_commit side2 &&
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test_commit side3
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test_commit side3 &&
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test_merge merge main3
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'
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test_expect_success 'showing two commits' '
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@ -109,8 +110,11 @@ test_expect_success 'showing range' '
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'
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test_expect_success '-s suppresses diff' '
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echo main3 >expect &&
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git show -s --format=%s main3 >actual &&
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cat >expect <<-\EOF &&
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merge
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main3
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EOF
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git show -s --format=%s merge main3 >actual &&
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test_cmp expect actual
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'
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@ -57,11 +57,10 @@ create_merge_msgs () {
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git log --no-merges ^HEAD c2 c3
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} >squash.1-5-9 &&
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: >msg.nologff &&
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echo >msg.nolognoff &&
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: >msg.nolognoff &&
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{
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echo "* tag 'c3':" &&
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echo " commit 3" &&
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echo
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echo " commit 3"
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} >msg.log
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}
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@ -71,7 +70,7 @@ verify_merge () {
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git diff --exit-code &&
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if test -n "$3"
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then
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git show -s --pretty=format:%s HEAD >msg.act &&
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git show -s --pretty=tformat:%s HEAD >msg.act &&
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test_cmp "$3" msg.act
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fi
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}
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@ -620,10 +619,10 @@ test_expect_success 'merge early part of c2' '
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git tag c6 &&
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git branch -f c5-branch c5 &&
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git merge c5-branch~1 &&
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git show -s --pretty=format:%s HEAD >actual.branch &&
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git show -s --pretty=tformat:%s HEAD >actual.branch &&
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git reset --keep HEAD^ &&
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git merge c5~1 &&
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git show -s --pretty=format:%s HEAD >actual.tag &&
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git show -s --pretty=tformat:%s HEAD >actual.tag &&
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test_cmp expected.branch actual.branch &&
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test_cmp expected.tag actual.tag
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'
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