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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
commit | c8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch) | |
tree | 24e09d9f84dec336720cf393e156089ca2835791 /t/t6406-merge-attr.sh | |
parent | Initial commit. (diff) | |
download | git-17a789943131483bc454986d1be6da6caaabce8c.tar.xz git-17a789943131483bc454986d1be6da6caaabce8c.zip |
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t6406-merge-attr.sh')
-rwxr-xr-x | t/t6406-merge-attr.sh | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/t/t6406-merge-attr.sh b/t/t6406-merge-attr.sh new file mode 100755 index 0000000..8650a88 --- /dev/null +++ b/t/t6406-merge-attr.sh @@ -0,0 +1,233 @@ +#!/bin/sh +# +# Copyright (c) 2007 Junio C Hamano +# + +test_description='per path merge controlled by merge attribute' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +test_expect_success setup ' + + for f in text binary union + do + echo Initial >$f && git add $f || return 1 + done && + test_tick && + git commit -m Initial && + + git branch side && + for f in text binary union + do + echo Main >>$f && git add $f || return 1 + done && + test_tick && + git commit -m Main && + + git checkout side && + for f in text binary union + do + echo Side >>$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 ' + + cat >.gitattributes <<-\EOF && + binary -merge + union merge=union + EOF + + if git merge main + 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 Main 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/ .*$// + p + }" >actual text && + grep ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" actual && + grep "================================" actual && + grep "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" actual +' + +test_expect_success 'custom merge backend' ' + + echo "* merge=union" >.gitattributes && + echo "text merge=custom" >>.gitattributes && + + git reset --hard anchor && + git config --replace-all \ + merge.custom.driver "./custom-merge %O %A %B 0 %P" && + git config --replace-all \ + merge.custom.name "custom merge driver for testing" && + + git merge main && + + cmp binary union && + sed -e 1,3d text >check-1 && + o=$(git unpack-file main^:text) && + a=$(git unpack-file side^:text) && + b=$(git unpack-file main: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 $b +' + +test_expect_success 'custom merge backend' ' + + git reset --hard anchor && + git config --replace-all \ + merge.custom.driver "./custom-merge %O %A %B 1 %P" && + git config --replace-all \ + merge.custom.name "custom merge driver for testing" && + + if git merge main + then + echo "Eh? should have conflicted" + false + else + echo "Ok, conflicted" + fi && + + cmp binary union && + sed -e 1,3d text >check-1 && + o=$(git unpack-file main^:text) && + a=$(git unpack-file anchor:text) && + b=$(git unpack-file main: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' ' + git init repo1 && + git init 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 main && + 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 $! >sleep.pid + EOF + + test_write_lines >.gitattributes \ + "* merge=ours" "text merge=sleep-an-hour" && + test_config merge.ours.driver true && + test_config merge.sleep-an-hour.driver ./sleep-an-hour.sh && + + # We are testing that the custom merge driver does not block + # index.lock on Windows due to an inherited file handle. + # To ensure that the backgrounded process ran sufficiently + # long (and has been started in the first place), we do not + # ignore the result of the kill command. + # By packaging the command in test_when_finished, we get both + # the correctness check and the clean-up. + test_when_finished "kill \$(cat sleep.pid)" && + git merge main +' + +test_expect_success 'binary files with union attribute' ' + git checkout -b bin-main && + printf "base\0" >bin.txt && + echo "bin.txt merge=union" >.gitattributes && + git add bin.txt .gitattributes && + git commit -m base && + + printf "one\0" >bin.txt && + git commit -am one && + + git checkout -b bin-side HEAD^ && + printf "two\0" >bin.txt && + git commit -am two && + + if test "$GIT_TEST_MERGE_ALGORITHM" = ort + then + test_must_fail git merge bin-main >output + else + test_must_fail git merge bin-main 2>output + fi && + grep -i "warning.*cannot merge.*HEAD vs. bin-main" output +' + +test_done |