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Diffstat (limited to 'third_party/git/t/t6026-merge-attr.sh')
| -rwxr-xr-x | third_party/git/t/t6026-merge-attr.sh | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/third_party/git/t/t6026-merge-attr.sh b/third_party/git/t/t6026-merge-attr.sh new file mode 100755 index 000000000000..5900358ce9c0 --- /dev/null +++ b/third_party/git/t/t6026-merge-attr.sh @@ -0,0 +1,207 @@ +#!/bin/sh +# +# Copyright (c) 2007 Junio C Hamano +# + +test_description='per path merge controlled by merge attribute' + +. ./test-lib.sh + +test_expect_success setup ' + + for f in text binary union + do + echo Initial >$f && git add $f || return 1 + done && + test_tick && + git commit -m Initial && + + git branch side && + for f in text binary union + do + echo Master >>$f && git add $f || return 1 + done && + test_tick && + git commit -m Master && + + git checkout side && + for f in text binary union + do + echo Side >>$f && git add $f || return 1 + done && + test_tick && + git commit -m Side && + + git tag anchor && + + cat >./custom-merge <<-\EOF && + #!/bin/sh + + orig="$1" ours="$2" theirs="$3" exit="$4" path=$5 + ( + echo "orig is $orig" + echo "ours is $ours" + echo "theirs is $theirs" + echo "path is $path" + echo "=== orig ===" + cat "$orig" + echo "=== ours ===" + cat "$ours" + echo "=== theirs ===" + cat "$theirs" + ) >"$ours+" + cat "$ours+" >"$ours" + rm -f "$ours+" + exit "$exit" + EOF + chmod +x ./custom-merge +' + +test_expect_success merge ' + + { + echo "binary -merge" + echo "union merge=union" + } >.gitattributes && + + if git merge master + then + echo Gaah, should have conflicted + false + else + echo Ok, conflicted. + fi +' + +test_expect_success 'check merge result in index' ' + + git ls-files -u | grep binary && + git ls-files -u | grep text && + ! (git ls-files -u | grep union) + +' + +test_expect_success 'check merge result in working tree' ' + + git cat-file -p HEAD:binary >binary-orig && + grep "<<<<<<<" text && + cmp binary-orig binary && + ! grep "<<<<<<<" union && + grep Master union && + grep Side union + +' + +test_expect_success 'retry the merge with longer context' ' + echo text conflict-marker-size=32 >>.gitattributes && + git checkout -m text && + sed -ne "/^\([<=>]\)\1\1\1*/{ + s/ .*$// + p + }" >actual text && + grep ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" actual && + grep "================================" actual && + grep "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" actual +' + +test_expect_success 'custom merge backend' ' + + echo "* merge=union" >.gitattributes && + echo "text merge=custom" >>.gitattributes && + + git reset --hard anchor && + git config --replace-all \ + merge.custom.driver "./custom-merge %O %A %B 0 %P" && + git config --replace-all \ + merge.custom.name "custom merge driver for testing" && + + git merge master && + + cmp binary union && + sed -e 1,3d text >check-1 && + o=$(git unpack-file master^:text) && + a=$(git unpack-file side^:text) && + b=$(git unpack-file master:text) && + sh -c "./custom-merge $o $a $b 0 'text'" && + sed -e 1,3d $a >check-2 && + cmp check-1 check-2 && + rm -f $o $a $b +' + +test_expect_success 'custom merge backend' ' + + git reset --hard anchor && + git config --replace-all \ + merge.custom.driver "./custom-merge %O %A %B 1 %P" && + git config --replace-all \ + merge.custom.name "custom merge driver for testing" && + + if git merge master + then + echo "Eh? should have conflicted" + false + else + echo "Ok, conflicted" + fi && + + cmp binary union && + sed -e 1,3d text >check-1 && + o=$(git unpack-file master^:text) && + a=$(git unpack-file anchor:text) && + b=$(git unpack-file master:text) && + sh -c "./custom-merge $o $a $b 0 'text'" && + sed -e 1,3d $a >check-2 && + cmp check-1 check-2 && + sed -e 1,3d -e 4q $a >check-3 && + echo "path is text" >expect && + cmp expect check-3 && + rm -f $o $a $b +' + +test_expect_success 'up-to-date merge without common ancestor' ' + test_create_repo repo1 && + test_create_repo repo2 && + test_tick && + ( + cd repo1 && + >a && + git add a && + git commit -m initial + ) && + test_tick && + ( + cd repo2 && + git commit --allow-empty -m initial + ) && + test_tick && + ( + cd repo1 && + git fetch ../repo2 master && + git merge --allow-unrelated-histories FETCH_HEAD + ) +' + +test_expect_success 'custom merge does not lock index' ' + git reset --hard anchor && + write_script sleep-an-hour.sh <<-\EOF && + sleep 3600 & + echo $! >sleep.pid + EOF + + test_write_lines >.gitattributes \ + "* merge=ours" "text merge=sleep-an-hour" && + test_config merge.ours.driver true && + test_config merge.sleep-an-hour.driver ./sleep-an-hour.sh && + + # We are testing that the custom merge driver does not block + # index.lock on Windows due to an inherited file handle. + # To ensure that the backgrounded process ran sufficiently + # long (and has been started in the first place), we do not + # ignore the result of the kill command. + # By packaging the command in test_when_finished, we get both + # the correctness check and the clean-up. + test_when_finished "kill \$(cat sleep.pid)" && + git merge master +' + +test_done |