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Custom merge drivers need access to the names of the revisions they are working on, so that the merge conflict markers they introduce can refer to those revisions. The placeholders '%S', '%X' and '%Y' are introduced to this end. Signed-off-by: Antonin Delpeuch <antonin@delpeuch.eu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
265 lines
6.0 KiB
Bash
Executable File
265 lines
6.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2007 Junio C Hamano
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#
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test_description='per path merge controlled by merge attribute'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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test_expect_success setup '
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for f in text binary union
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do
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echo Initial >$f && git add $f || return 1
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done &&
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test_tick &&
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git commit -m Initial &&
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git branch side &&
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for f in text binary union
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do
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echo Main >>$f && git add $f || return 1
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done &&
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test_tick &&
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git commit -m Main &&
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git checkout side &&
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for f in text binary union
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do
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echo Side >>$f && git add $f || return 1
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done &&
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test_tick &&
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git commit -m Side &&
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git tag anchor &&
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cat >./custom-merge <<-\EOF &&
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#!/bin/sh
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orig="$1" ours="$2" theirs="$3" exit="$4" path=$5
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orig_name="$6" our_name="$7" their_name="$8"
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(
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echo "orig is $orig"
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echo "ours is $ours"
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echo "theirs is $theirs"
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echo "path is $path"
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echo "orig_name is $orig_name"
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echo "our_name is $our_name"
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echo "their_name is $their_name"
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echo "=== orig ==="
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cat "$orig"
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echo "=== ours ==="
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cat "$ours"
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echo "=== theirs ==="
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cat "$theirs"
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) >"$ours+"
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cat "$ours+" >"$ours"
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rm -f "$ours+"
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if test -f ./please-abort
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then
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echo >>./please-abort killing myself
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kill -9 $$
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fi
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exit "$exit"
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EOF
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chmod +x ./custom-merge
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'
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test_expect_success merge '
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cat >.gitattributes <<-\EOF &&
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binary -merge
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union merge=union
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EOF
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if git merge main
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then
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echo Gaah, should have conflicted
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false
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else
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echo Ok, conflicted.
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fi
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'
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test_expect_success 'check merge result in index' '
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git ls-files -u | grep binary &&
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git ls-files -u | grep text &&
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! (git ls-files -u | grep union)
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'
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test_expect_success 'check merge result in working tree' '
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git cat-file -p HEAD:binary >binary-orig &&
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grep "<<<<<<<" text &&
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cmp binary-orig binary &&
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! grep "<<<<<<<" union &&
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grep Main union &&
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grep Side union
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'
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test_expect_success 'retry the merge with longer context' '
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echo text conflict-marker-size=32 >>.gitattributes &&
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git checkout -m text &&
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sed -ne "/^\([<=>]\)\1\1\1*/{
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s/ .*$//
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p
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}" >actual text &&
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grep ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" actual &&
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grep "================================" actual &&
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grep "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" actual
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'
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test_expect_success 'custom merge backend' '
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echo "* merge=union" >.gitattributes &&
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echo "text merge=custom" >>.gitattributes &&
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git reset --hard anchor &&
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git config --replace-all \
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merge.custom.driver "./custom-merge %O %A %B 0 %P %S %X %Y" &&
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git config --replace-all \
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merge.custom.name "custom merge driver for testing" &&
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git merge main &&
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cmp binary union &&
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sed -e 1,3d text >check-1 &&
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o=$(git unpack-file main^:text) &&
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a=$(git unpack-file side^:text) &&
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b=$(git unpack-file main:text) &&
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base_revid=$(git rev-parse --short main^) &&
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sh -c "./custom-merge $o $a $b 0 text $base_revid HEAD main" &&
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sed -e 1,3d $a >check-2 &&
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cmp check-1 check-2 &&
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rm -f $o $a $b
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'
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test_expect_success 'custom merge backend' '
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git reset --hard anchor &&
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git config --replace-all \
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merge.custom.driver "./custom-merge %O %A %B 1 %P %S %X %Y" &&
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git config --replace-all \
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merge.custom.name "custom merge driver for testing" &&
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if git merge main
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then
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echo "Eh? should have conflicted"
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false
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else
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echo "Ok, conflicted"
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fi &&
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cmp binary union &&
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sed -e 1,3d text >check-1 &&
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o=$(git unpack-file main^:text) &&
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a=$(git unpack-file anchor:text) &&
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b=$(git unpack-file main:text) &&
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base_revid=$(git rev-parse --short main^) &&
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sh -c "./custom-merge $o $a $b 0 text $base_revid HEAD main" &&
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sed -e 1,3d $a >check-2 &&
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cmp check-1 check-2 &&
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sed -e 1,3d -e 4q $a >check-3 &&
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echo "path is text" >expect &&
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cmp expect check-3 &&
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rm -f $o $a $b
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'
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test_expect_success !WINDOWS 'custom merge driver that is killed with a signal' '
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test_when_finished "rm -f output please-abort" &&
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git reset --hard anchor &&
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git config --replace-all \
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merge.custom.driver "./custom-merge %O %A %B 0 %P %S %X %Y" &&
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git config --replace-all \
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merge.custom.name "custom merge driver for testing" &&
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>./please-abort &&
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echo "* merge=custom" >.gitattributes &&
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test_must_fail git merge main 2>err &&
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grep "^error: failed to execute internal merge" err &&
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git ls-files -u >output &&
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git diff --name-only HEAD >>output &&
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test_must_be_empty output
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'
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test_expect_success 'up-to-date merge without common ancestor' '
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git init repo1 &&
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git init repo2 &&
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test_tick &&
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(
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cd repo1 &&
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>a &&
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git add a &&
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git commit -m initial
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) &&
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test_tick &&
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(
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cd repo2 &&
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git commit --allow-empty -m initial
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) &&
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test_tick &&
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(
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cd repo1 &&
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git fetch ../repo2 main &&
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git merge --allow-unrelated-histories FETCH_HEAD
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)
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'
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test_expect_success 'custom merge does not lock index' '
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git reset --hard anchor &&
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write_script sleep-an-hour.sh <<-\EOF &&
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sleep 3600 &
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echo $! >sleep.pid
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EOF
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test_write_lines >.gitattributes \
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"* merge=ours" "text merge=sleep-an-hour" &&
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test_config merge.ours.driver true &&
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test_config merge.sleep-an-hour.driver ./sleep-an-hour.sh &&
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# We are testing that the custom merge driver does not block
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# index.lock on Windows due to an inherited file handle.
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# To ensure that the backgrounded process ran sufficiently
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# long (and has been started in the first place), we do not
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# ignore the result of the kill command.
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# By packaging the command in test_when_finished, we get both
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# the correctness check and the clean-up.
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test_when_finished "kill \$(cat sleep.pid)" &&
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git merge main
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'
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test_expect_success 'binary files with union attribute' '
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git checkout -b bin-main &&
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printf "base\0" >bin.txt &&
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echo "bin.txt merge=union" >.gitattributes &&
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git add bin.txt .gitattributes &&
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git commit -m base &&
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printf "one\0" >bin.txt &&
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git commit -am one &&
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git checkout -b bin-side HEAD^ &&
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printf "two\0" >bin.txt &&
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git commit -am two &&
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if test "$GIT_TEST_MERGE_ALGORITHM" = ort
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then
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test_must_fail git merge bin-main >output
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else
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test_must_fail git merge bin-main 2>output
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fi &&
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grep -i "warning.*cannot merge.*HEAD vs. bin-main" output
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'
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test_done
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