mirror of
https://github.com/git/git
synced 2024-10-28 19:25:47 +00:00
8c5cea0095
Maybe some day in the future we will want to support a syntax like [merge] ff = branch1 ff = branch2 ff = branch3 in addition to the currently permitted "true", "false", and "only" values. So make sure we continue to treat such configurations as though an unknown variable had been defined rather than erroring out, until it is time to implement such a thing, so configuration files using such a facility can be shared between present and future git. While at it, add a few missing && and start the "combining --squash and --no-ff" test with a known state so we can be sure it does not succeed or fail for the wrong reason. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
647 lines
16 KiB
Bash
Executable file
647 lines
16 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_expect_success 'set up test data and helpers' '
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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 commit '\''c2'\''" >msg.1-5 &&
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echo "Merge commit '\''c2'\''; commit '\''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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echo >msg.nolog &&
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{
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echo "* commit '\''c3'\'':" &&
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echo " commit 3" &&
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echo
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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=format:%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 $i + 1) ||
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return 1
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done &&
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test_cmp parents.expected parents.actual
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} &&
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verify_mergeheads() {
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printf "%s\n" "$@" >mergehead.expected &&
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test_cmp mergehead.expected .git/MERGE_HEAD
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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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'
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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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grep "[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_when_finished "git config --unset merge.ff" &&
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git 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 'unsuccesful 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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git 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 config branch.master.mergeoptions "" &&
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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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git 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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test_when_finished "git config --remove-section branch.master" &&
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test_when_finished "git config --remove-section merge" &&
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test_might_fail git config --remove-section branch.master &&
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test_might_fail git config --remove-section merge &&
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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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git config branch.master.mergeoptions "--no-log" &&
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git 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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git 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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git 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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git 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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git 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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git 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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git 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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git config branch.master.mergeoptions "" &&
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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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git config merge.ff false &&
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test_tick &&
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git merge c1 &&
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git config --remove-section merge &&
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verify_merge file result.1 &&
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verify_parents $c0 $c1
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'combine branch.master.mergeoptions with merge.ff' '
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git reset --hard c0 &&
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git config branch.master.mergeoptions --ff &&
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git config merge.ff false &&
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test_tick &&
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git merge c1 &&
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git config --remove-section "branch.master" &&
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git config --remove-section "merge" &&
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verify_merge file result.1 &&
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verify_parents "$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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git config merge.ff something-new &&
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test_tick &&
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git merge c1 2>message &&
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git config --remove-section "merge" &&
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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 'combining --ff-only and --no-ff is refused' '
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test_must_fail git merge --ff-only --no-ff c1 &&
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test_must_fail git merge --no-ff --ff-only c1
|
|
'
|
|
|
|
test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '
|
|
git reset --hard c0 &&
|
|
git 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.nolog 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^ &&
|
|
git 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 &&
|
|
git config branch.master.mergeoptions "" &&
|
|
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 &&
|
|
git config branch.master.mergeoptions "" &&
|
|
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 &&
|
|
git config branch.master.mergeoptions "" &&
|
|
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 C_LOCALE_OUTPUT 'in-index merge' '
|
|
git reset --hard c0 &&
|
|
git merge --no-ff -s resolve c1 >out &&
|
|
grep "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=format:%s HEAD >actual.branch &&
|
|
git reset --keep HEAD^ &&
|
|
git merge c5~1 &&
|
|
git show -s --pretty=format:%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'
|
|
|
|
test_done
|