ad2f7255b3
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>
696 lines
17 KiB
Bash
Executable File
696 lines
17 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2007 Lars Hjemli
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#
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test_description='git merge
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Testing basic merge operations/option parsing.
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! [c0] commit 0
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! [c1] commit 1
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! [c2] commit 2
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! [c3] commit 3
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! [c4] c4
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! [c5] c5
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! [c6] c6
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* [master] Merge commit 'c1'
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--------
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- [master] Merge commit 'c1'
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+ * [c1] commit 1
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+ [c6] c6
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+ [c5] c5
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++ [c4] c4
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++++ [c3] commit 3
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+ [c2] commit 2
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+++++++* [c0] commit 0
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'
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-gpg.sh
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printf '%s\n' 1 2 3 4 5 6 7 8 9 >file
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printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >file.1
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printf '%s\n' 1 2 3 4 '5 X' 6 7 8 9 >file.5
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printf '%s\n' 1 2 3 4 5 6 7 8 '9 X' >file.9
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printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >result.1
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printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 9 >result.1-5
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printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 '9 X' >result.1-5-9
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>empty
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create_merge_msgs () {
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echo "Merge tag 'c2'" >msg.1-5 &&
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echo "Merge tags 'c2' and 'c3'" >msg.1-5-9 &&
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{
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echo "Squashed commit of the following:" &&
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echo &&
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git log --no-merges ^HEAD c1
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} >squash.1 &&
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{
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echo "Squashed commit of the following:" &&
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echo &&
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git log --no-merges ^HEAD c2
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} >squash.1-5 &&
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{
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echo "Squashed commit of the following:" &&
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echo &&
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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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: >msg.nolognoff &&
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{
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echo "* tag 'c3':" &&
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echo " commit 3"
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} >msg.log
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}
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verify_merge () {
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test_cmp "$2" "$1" &&
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git update-index --refresh &&
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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=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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verify_head () {
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echo "$1" >head.expected &&
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git rev-parse HEAD >head.actual &&
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test_cmp head.expected head.actual
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}
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verify_parents () {
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printf '%s\n' "$@" >parents.expected &&
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>parents.actual &&
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i=1 &&
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while test $i -le $#
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do
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git rev-parse HEAD^$i >>parents.actual &&
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i=$(expr $i + 1) ||
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return 1
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done &&
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test_must_fail git rev-parse --verify "HEAD^$i" &&
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test_cmp parents.expected parents.actual
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}
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verify_mergeheads () {
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printf '%s\n' "$@" >mergehead.expected &&
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while read sha1 rest
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do
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git rev-parse $sha1
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done <.git/MERGE_HEAD >mergehead.actual &&
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test_cmp mergehead.expected mergehead.actual
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}
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verify_no_mergehead () {
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! test -e .git/MERGE_HEAD
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}
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test_expect_success 'setup' '
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git add file &&
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test_tick &&
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git commit -m "commit 0" &&
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git tag c0 &&
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c0=$(git rev-parse HEAD) &&
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cp file.1 file &&
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git add file &&
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test_tick &&
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git commit -m "commit 1" &&
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git tag c1 &&
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c1=$(git rev-parse HEAD) &&
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git reset --hard "$c0" &&
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cp file.5 file &&
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git add file &&
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test_tick &&
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git commit -m "commit 2" &&
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git tag c2 &&
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c2=$(git rev-parse HEAD) &&
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git reset --hard "$c0" &&
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cp file.9 file &&
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git add file &&
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test_tick &&
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git commit -m "commit 3" &&
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git tag c3 &&
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c3=$(git rev-parse HEAD)
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git reset --hard "$c0" &&
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create_merge_msgs
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'test option parsing' '
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test_must_fail git merge -$ c1 &&
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test_must_fail git merge --no-such c1 &&
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test_must_fail git merge -s foobar c1 &&
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test_must_fail git merge -s=foobar c1 &&
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test_must_fail git merge -m &&
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test_must_fail git merge
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'
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test_expect_success 'merge -h with invalid index' '
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mkdir broken &&
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(
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cd broken &&
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git init &&
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>.git/index &&
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test_expect_code 129 git merge -h 2>usage
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) &&
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test_i18ngrep "[Uu]sage: git merge" broken/usage
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'
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test_expect_success 'reject non-strategy with a git-merge-foo name' '
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test_must_fail git merge -s index c1
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'
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test_expect_success 'merge c0 with c1' '
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echo "OBJID HEAD@{0}: merge c1: Fast-forward" >reflog.expected &&
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git reset --hard c0 &&
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git merge c1 &&
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verify_merge file result.1 &&
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verify_head "$c1" &&
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git reflog -1 >reflog.actual &&
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sed "s/$_x05[0-9a-f]*/OBJID/g" reflog.actual >reflog.fuzzy &&
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test_cmp reflog.expected reflog.fuzzy
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c0 with c1 with --ff-only' '
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git reset --hard c0 &&
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git merge --ff-only c1 &&
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git merge --ff-only HEAD c0 c1 &&
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verify_merge file result.1 &&
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verify_head "$c1"
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge from unborn branch' '
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git checkout -f master &&
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test_might_fail git branch -D kid &&
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echo "OBJID HEAD@{0}: initial pull" >reflog.expected &&
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git checkout --orphan kid &&
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test_when_finished "git checkout -f master" &&
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git rm -fr . &&
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test_tick &&
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git merge --ff-only c1 &&
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verify_merge file result.1 &&
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verify_head "$c1" &&
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git reflog -1 >reflog.actual &&
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sed "s/$_x05[0-9a-f][0-9a-f]/OBJID/g" reflog.actual >reflog.fuzzy &&
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test_cmp reflog.expected reflog.fuzzy
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2' '
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git reset --hard c1 &&
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test_tick &&
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git merge c2 &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 and c3' '
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git reset --hard c1 &&
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test_tick &&
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git merge c2 c3 &&
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verify_merge file result.1-5-9 msg.1-5-9 &&
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verify_parents $c1 $c2 $c3
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merges with --ff-only' '
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git reset --hard c1 &&
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test_tick &&
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test_must_fail git merge --ff-only c2 &&
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test_must_fail git merge --ff-only c3 &&
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test_must_fail git merge --ff-only c2 c3 &&
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git reset --hard c0 &&
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git merge c3 &&
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verify_head $c3
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'
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test_expect_success 'merges with merge.ff=only' '
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git reset --hard c1 &&
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test_tick &&
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test_config merge.ff "only" &&
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test_must_fail git merge c2 &&
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test_must_fail git merge c3 &&
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test_must_fail git merge c2 c3 &&
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git reset --hard c0 &&
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git merge c3 &&
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verify_head $c3
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'
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test_expect_success 'merge c0 with c1 (no-commit)' '
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git reset --hard c0 &&
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git merge --no-commit c1 &&
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verify_merge file result.1 &&
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verify_head $c1
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 (no-commit)' '
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git reset --hard c1 &&
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git merge --no-commit c2 &&
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verify_merge file result.1-5 &&
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verify_head $c1 &&
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verify_mergeheads $c2
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 and c3 (no-commit)' '
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git reset --hard c1 &&
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git merge --no-commit c2 c3 &&
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verify_merge file result.1-5-9 &&
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verify_head $c1 &&
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verify_mergeheads $c2 $c3
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c0 with c1 (squash)' '
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git reset --hard c0 &&
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git merge --squash c1 &&
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verify_merge file result.1 &&
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verify_head $c0 &&
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verify_no_mergehead &&
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test_cmp squash.1 .git/SQUASH_MSG
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c0 with c1 (squash, ff-only)' '
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git reset --hard c0 &&
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git merge --squash --ff-only c1 &&
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verify_merge file result.1 &&
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verify_head $c0 &&
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verify_no_mergehead &&
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test_cmp squash.1 .git/SQUASH_MSG
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 (squash)' '
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git reset --hard c1 &&
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git merge --squash c2 &&
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verify_merge file result.1-5 &&
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verify_head $c1 &&
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verify_no_mergehead &&
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test_cmp squash.1-5 .git/SQUASH_MSG
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'unsuccessful merge of c1 with c2 (squash, ff-only)' '
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git reset --hard c1 &&
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test_must_fail git merge --squash --ff-only c2
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 and c3 (squash)' '
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git reset --hard c1 &&
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git merge --squash c2 c3 &&
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verify_merge file result.1-5-9 &&
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verify_head $c1 &&
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verify_no_mergehead &&
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test_cmp squash.1-5-9 .git/SQUASH_MSG
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 (no-commit in config)' '
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git reset --hard c1 &&
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test_config branch.master.mergeoptions "--no-commit" &&
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git merge c2 &&
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verify_merge file result.1-5 &&
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verify_head $c1 &&
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verify_mergeheads $c2
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 (log in config)' '
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git reset --hard c1 &&
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git merge --log c2 &&
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git show -s --pretty=tformat:%s%n%b >expect &&
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test_config branch.master.mergeoptions "--log" &&
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git reset --hard c1 &&
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git merge c2 &&
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git show -s --pretty=tformat:%s%n%b >actual &&
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test_cmp expect actual
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'
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test_expect_success 'merge c1 with c2 (log in config gets overridden)' '
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git reset --hard c1 &&
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git merge c2 &&
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git show -s --pretty=tformat:%s%n%b >expect &&
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test_config branch.master.mergeoptions "--no-log" &&
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test_config merge.log "true" &&
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git reset --hard c1 &&
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git merge c2 &&
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git show -s --pretty=tformat:%s%n%b >actual &&
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test_cmp expect actual
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'
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test_expect_success 'merge c1 with c2 (squash in config)' '
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git reset --hard c1 &&
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test_config branch.master.mergeoptions "--squash" &&
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git merge c2 &&
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verify_merge file result.1-5 &&
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verify_head $c1 &&
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verify_no_mergehead &&
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test_cmp squash.1-5 .git/SQUASH_MSG
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'override config option -n with --summary' '
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git reset --hard c1 &&
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test_config branch.master.mergeoptions "-n" &&
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test_tick &&
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git merge --summary c2 >diffstat.txt &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2 &&
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if ! grep "^ file | *2 +-$" diffstat.txt
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then
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echo "[OOPS] diffstat was not generated with --summary"
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false
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fi
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'
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test_expect_success 'override config option -n with --stat' '
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git reset --hard c1 &&
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test_config branch.master.mergeoptions "-n" &&
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test_tick &&
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git merge --stat c2 >diffstat.txt &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2 &&
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if ! grep "^ file | *2 +-$" diffstat.txt
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then
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echo "[OOPS] diffstat was not generated with --stat"
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false
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fi
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'override config option --stat' '
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git reset --hard c1 &&
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test_config branch.master.mergeoptions "--stat" &&
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test_tick &&
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git merge -n c2 >diffstat.txt &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2 &&
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if grep "^ file | *2 +-$" diffstat.txt
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then
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echo "[OOPS] diffstat was generated"
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false
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fi
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 (override --no-commit)' '
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git reset --hard c1 &&
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test_config branch.master.mergeoptions "--no-commit" &&
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test_tick &&
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git merge --commit c2 &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c1 with c2 (override --squash)' '
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git reset --hard c1 &&
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test_config branch.master.mergeoptions "--squash" &&
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test_tick &&
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git merge --no-squash c2 &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c0 with c1 (no-ff)' '
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git reset --hard c0 &&
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test_tick &&
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git merge --no-ff c1 &&
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verify_merge file result.1 &&
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verify_parents $c0 $c1
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'merge c0 with c1 (merge.ff=false)' '
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git reset --hard c0 &&
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test_config merge.ff "false" &&
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test_tick &&
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git merge c1 &&
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verify_merge file result.1 &&
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verify_parents $c0 $c1
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'combine branch.master.mergeoptions with merge.ff' '
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git reset --hard c0 &&
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test_config branch.master.mergeoptions "--ff" &&
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test_config merge.ff "false" &&
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test_tick &&
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git merge c1 &&
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verify_merge file result.1 &&
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verify_parents "$c0"
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'
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test_expect_success 'tolerate unknown values for merge.ff' '
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git reset --hard c0 &&
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test_config merge.ff "something-new" &&
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test_tick &&
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git merge c1 2>message &&
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verify_head "$c1" &&
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test_cmp empty message
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'
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test_expect_success 'combining --squash and --no-ff is refused' '
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git reset --hard c0 &&
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test_must_fail git merge --squash --no-ff c1 &&
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test_must_fail git merge --no-ff --squash c1
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'
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test_expect_success 'option --ff-only overwrites --no-ff' '
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git merge --no-ff --ff-only c1 &&
|
|
test_must_fail git merge --no-ff --ff-only c2
|
|
'
|
|
|
|
test_expect_success 'option --no-ff overrides merge.ff=only config' '
|
|
git reset --hard c0 &&
|
|
test_config merge.ff only &&
|
|
git merge --no-ff c1
|
|
'
|
|
|
|
test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '
|
|
git reset --hard c0 &&
|
|
test_config branch.master.mergeoptions "--no-ff" &&
|
|
git merge --ff c1 &&
|
|
verify_merge file result.1 &&
|
|
verify_head $c1
|
|
'
|
|
|
|
test_expect_success 'merge log message' '
|
|
git reset --hard c0 &&
|
|
git merge --no-log c2 &&
|
|
git show -s --pretty=format:%b HEAD >msg.act &&
|
|
test_cmp msg.nologff msg.act &&
|
|
|
|
git reset --hard c0 &&
|
|
test_config branch.master.mergeoptions "--no-ff" &&
|
|
git merge --no-log c2 &&
|
|
git show -s --pretty=format:%b HEAD >msg.act &&
|
|
test_cmp msg.nolognoff msg.act &&
|
|
|
|
git merge --log c3 &&
|
|
git show -s --pretty=format:%b HEAD >msg.act &&
|
|
test_cmp msg.log msg.act &&
|
|
|
|
git reset --hard HEAD^ &&
|
|
test_config merge.log "yes" &&
|
|
git merge c3 &&
|
|
git show -s --pretty=format:%b HEAD >msg.act &&
|
|
test_cmp msg.log msg.act
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
test_expect_success 'merge c1 with c0, c2, c0, and c1' '
|
|
git reset --hard c1 &&
|
|
test_tick &&
|
|
git merge c0 c2 c0 c1 &&
|
|
verify_merge file result.1-5 &&
|
|
verify_parents $c1 $c2
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
test_expect_success 'merge c1 with c0, c2, c0, and c1' '
|
|
git reset --hard c1 &&
|
|
test_tick &&
|
|
git merge c0 c2 c0 c1 &&
|
|
verify_merge file result.1-5 &&
|
|
verify_parents $c1 $c2
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
test_expect_success 'merge c1 with c1 and c2' '
|
|
git reset --hard c1 &&
|
|
test_tick &&
|
|
git merge c1 c2 &&
|
|
verify_merge file result.1-5 &&
|
|
verify_parents $c1 $c2
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
test_expect_success 'merge fast-forward in a dirty tree' '
|
|
git reset --hard c0 &&
|
|
mv file file1 &&
|
|
cat file1 >file &&
|
|
rm -f file1 &&
|
|
git merge c2
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
test_expect_success 'in-index merge' '
|
|
git reset --hard c0 &&
|
|
git merge --no-ff -s resolve c1 >out &&
|
|
test_i18ngrep "Wonderful." out &&
|
|
verify_parents $c0 $c1
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
test_expect_success 'refresh the index before merging' '
|
|
git reset --hard c1 &&
|
|
cp file file.n && mv -f file.n file &&
|
|
git merge c3
|
|
'
|
|
|
|
cat >expected.branch <<\EOF
|
|
Merge branch 'c5-branch' (early part)
|
|
EOF
|
|
cat >expected.tag <<\EOF
|
|
Merge commit 'c5~1'
|
|
EOF
|
|
|
|
test_expect_success 'merge early part of c2' '
|
|
git reset --hard c3 &&
|
|
echo c4 >c4.c &&
|
|
git add c4.c &&
|
|
git commit -m c4 &&
|
|
git tag c4 &&
|
|
echo c5 >c5.c &&
|
|
git add c5.c &&
|
|
git commit -m c5 &&
|
|
git tag c5 &&
|
|
git reset --hard c3 &&
|
|
echo c6 >c6.c &&
|
|
git add c6.c &&
|
|
git commit -m c6 &&
|
|
git tag c6 &&
|
|
git branch -f c5-branch c5 &&
|
|
git merge c5-branch~1 &&
|
|
git show -s --pretty=tformat:%s HEAD >actual.branch &&
|
|
git reset --keep HEAD^ &&
|
|
git merge c5~1 &&
|
|
git show -s --pretty=tformat:%s HEAD >actual.tag &&
|
|
test_cmp expected.branch actual.branch &&
|
|
test_cmp expected.tag actual.tag
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
test_expect_success 'merge --no-ff --no-commit && commit' '
|
|
git reset --hard c0 &&
|
|
git merge --no-ff --no-commit c1 &&
|
|
EDITOR=: git commit &&
|
|
verify_parents $c0 $c1
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
test_expect_success 'amending no-ff merge commit' '
|
|
EDITOR=: git commit --amend &&
|
|
verify_parents $c0 $c1
|
|
'
|
|
|
|
test_debug 'git log --graph --decorate --oneline --all'
|
|
|
|
cat >editor <<\EOF
|
|
#!/bin/sh
|
|
# Add a new message string that was not in the template
|
|
(
|
|
echo "Merge work done on the side branch c1"
|
|
echo
|
|
cat <"$1"
|
|
) >"$1.tmp" && mv "$1.tmp" "$1"
|
|
# strip comments and blank lines from end of message
|
|
sed -e '/^#/d' < "$1" | sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' > expected
|
|
EOF
|
|
chmod 755 editor
|
|
|
|
test_expect_success 'merge --no-ff --edit' '
|
|
git reset --hard c0 &&
|
|
EDITOR=./editor git merge --no-ff --edit c1 &&
|
|
verify_parents $c0 $c1 &&
|
|
git cat-file commit HEAD >raw &&
|
|
grep "work done on the side branch" raw &&
|
|
sed "1,/^$/d" >actual raw &&
|
|
test_cmp actual expected
|
|
'
|
|
|
|
test_expect_success GPG 'merge --ff-only tag' '
|
|
git reset --hard c0 &&
|
|
git commit --allow-empty -m "A newer commit" &&
|
|
git tag -s -m "A newer commit" signed &&
|
|
git reset --hard c0 &&
|
|
|
|
git merge --ff-only signed &&
|
|
git rev-parse signed^0 >expect &&
|
|
git rev-parse HEAD >actual &&
|
|
test_cmp actual expect
|
|
'
|
|
|
|
test_expect_success GPG 'merge --no-edit tag should skip editor' '
|
|
git reset --hard c0 &&
|
|
git commit --allow-empty -m "A newer commit" &&
|
|
git tag -f -s -m "A newer commit" signed &&
|
|
git reset --hard c0 &&
|
|
|
|
EDITOR=false git merge --no-edit signed &&
|
|
git rev-parse signed^0 >expect &&
|
|
git rev-parse HEAD^2 >actual &&
|
|
test_cmp actual expect
|
|
'
|
|
|
|
test_done
|