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690 lines
17 KiB
690 lines
17 KiB
#!/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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echo >msg.nolognoff && |
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{ |
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echo "* tag 'c3':" && |
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echo " commit 3" && |
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echo |
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} >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 $i + 1) || |
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return 1 |
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done && |
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test_must_fail git rev-parse --verify "HEAD^$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 '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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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 '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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test_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.nologff msg.act && |
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git reset --hard c0 && |
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test_config branch.master.mergeoptions "--no-ff" && |
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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.nolognoff 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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test_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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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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|
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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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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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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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|
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test_debug 'git log --graph --decorate --oneline --all' |
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|
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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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|
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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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test_i18ngrep "Wonderful." out && |
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verify_parents $c0 $c1 |
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' |
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|
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test_debug 'git log --graph --decorate --oneline --all' |
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|
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test_expect_success 'refresh the index before merging' ' |
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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' |
|
|
|
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
|
|
|