da53eec688
Part of a campaign to make sure "git <command> -h" works correctly when run from distractingly bad repositories. [jn: with rewritten log message and tests] Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
564 lines
14 KiB
Bash
Executable File
564 lines
14 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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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 'failing 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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'
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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 (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 'combining --squash and --no-ff is refused' '
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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
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'
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test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '
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git reset --hard c0 &&
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git config branch.master.mergeoptions "--no-ff" &&
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git merge --ff 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_expect_success 'merge log message' '
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git reset --hard c0 &&
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git merge --no-log c2 &&
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git show -s --pretty=format:%b HEAD >msg.act &&
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test_cmp msg.nolog msg.act &&
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git merge --log c3 &&
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git show -s --pretty=format:%b HEAD >msg.act &&
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test_cmp msg.log msg.act &&
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git reset --hard HEAD^ &&
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git config merge.log yes &&
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git merge c3 &&
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git show -s --pretty=format:%b HEAD >msg.act &&
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test_cmp msg.log msg.act
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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 c0, c2, c0, and c1' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "" &&
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test_tick &&
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git merge c0 c2 c0 c1 &&
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verify_merge file result.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 c0, c2, c0, and c1' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "" &&
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test_tick &&
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git merge c0 c2 c0 c1 &&
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verify_merge file result.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 c1 and c2' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "" &&
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test_tick &&
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git merge c1 c2 &&
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verify_merge file result.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 fast-forward in a dirty tree' '
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git reset --hard c0 &&
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mv file file1 &&
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cat file1 >file &&
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rm -f file1 &&
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git merge c2
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'
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test_debug 'git log --graph --decorate --oneline --all'
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test_expect_success 'in-index merge' '
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git reset --hard c0 &&
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git merge --no-ff -s resolve c1 >out &&
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grep "Wonderful." out &&
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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 'refresh the index before merging' '
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git reset --hard c1 &&
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cp file file.n && mv -f file.n file &&
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git merge c3
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'
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cat >expected.branch <<\EOF
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Merge branch 'c5-branch' (early part)
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EOF
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cat >expected.tag <<\EOF
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Merge commit 'c5~1'
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EOF
|
|
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test_expect_success 'merge early part of c2' '
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|
git reset --hard c3 &&
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|
echo c4 >c4.c &&
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|
git add c4.c &&
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|
git commit -m c4 &&
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|
git tag c4 &&
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|
echo c5 >c5.c &&
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|
git add c5.c &&
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|
git commit -m c5 &&
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|
git tag c5 &&
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|
git reset --hard c3 &&
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|
echo c6 >c6.c &&
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|
git add c6.c &&
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|
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
|