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https://github.com/git/git
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d212cef936
The test was missing some "&&" at the end of some lines and it was wrong because, as the replacement refs were not fetched, the commits from the parallel branch should not show up. This was found by Elijah Newren. This is fixed by checking that after the branch from HASH6 is fetched, the commits from the parallel branch don't show up, and then by fetching the replacement refs and checking that they do show up afterwards. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
242 lines
7.2 KiB
Bash
Executable file
242 lines
7.2 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2008 Christian Couder
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#
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test_description='Tests replace refs functionality'
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exec </dev/null
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. ./test-lib.sh
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add_and_commit_file()
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{
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_file="$1"
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_msg="$2"
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git add $_file || return $?
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test_tick || return $?
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git commit --quiet -m "$_file: $_msg"
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}
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HASH1=
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HASH2=
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HASH3=
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HASH4=
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HASH5=
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HASH6=
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HASH7=
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test_expect_success 'set up buggy branch' '
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echo "line 1" >> hello &&
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echo "line 2" >> hello &&
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echo "line 3" >> hello &&
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echo "line 4" >> hello &&
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add_and_commit_file hello "4 lines" &&
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HASH1=$(git rev-parse --verify HEAD) &&
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echo "line BUG" >> hello &&
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echo "line 6" >> hello &&
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echo "line 7" >> hello &&
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echo "line 8" >> hello &&
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add_and_commit_file hello "4 more lines with a BUG" &&
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HASH2=$(git rev-parse --verify HEAD) &&
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echo "line 9" >> hello &&
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echo "line 10" >> hello &&
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add_and_commit_file hello "2 more lines" &&
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HASH3=$(git rev-parse --verify HEAD) &&
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echo "line 11" >> hello &&
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add_and_commit_file hello "1 more line" &&
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HASH4=$(git rev-parse --verify HEAD) &&
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sed -e "s/BUG/5/" hello > hello.new &&
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mv hello.new hello &&
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add_and_commit_file hello "BUG fixed" &&
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HASH5=$(git rev-parse --verify HEAD) &&
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echo "line 12" >> hello &&
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echo "line 13" >> hello &&
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add_and_commit_file hello "2 more lines" &&
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HASH6=$(git rev-parse --verify HEAD)
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echo "line 14" >> hello &&
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echo "line 15" >> hello &&
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echo "line 16" >> hello &&
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add_and_commit_file hello "again 3 more lines" &&
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HASH7=$(git rev-parse --verify HEAD)
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'
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test_expect_success 'replace the author' '
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git cat-file commit $HASH2 | grep "author A U Thor" &&
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R=$(git cat-file commit $HASH2 | sed -e "s/A U/O/" | git hash-object -t commit --stdin -w) &&
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git cat-file commit $R | grep "author O Thor" &&
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git update-ref refs/replace/$HASH2 $R &&
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git show HEAD~5 | grep "O Thor" &&
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git show $HASH2 | grep "O Thor"
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'
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test_expect_success 'test --no-replace-objects option' '
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git cat-file commit $HASH2 | grep "author O Thor" &&
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git --no-replace-objects cat-file commit $HASH2 | grep "author A U Thor" &&
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git show $HASH2 | grep "O Thor" &&
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git --no-replace-objects show $HASH2 | grep "A U Thor"
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'
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test_expect_success 'test GIT_NO_REPLACE_OBJECTS env variable' '
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GIT_NO_REPLACE_OBJECTS=1 git cat-file commit $HASH2 | grep "author A U Thor" &&
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GIT_NO_REPLACE_OBJECTS=1 git show $HASH2 | grep "A U Thor"
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'
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cat >tag.sig <<EOF
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object $HASH2
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type commit
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tag mytag
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tagger T A Gger <> 0 +0000
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EOF
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test_expect_success 'tag replaced commit' '
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git mktag <tag.sig >.git/refs/tags/mytag 2>message
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'
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test_expect_success '"git fsck" works' '
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git fsck master > fsck_master.out &&
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grep "dangling commit $R" fsck_master.out &&
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grep "dangling tag $(cat .git/refs/tags/mytag)" fsck_master.out &&
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test -z "$(git fsck)"
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'
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test_expect_success 'repack, clone and fetch work' '
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git repack -a -d &&
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git clone --no-hardlinks . clone_dir &&
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(
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cd clone_dir &&
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git show HEAD~5 | grep "A U Thor" &&
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git show $HASH2 | grep "A U Thor" &&
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git cat-file commit $R &&
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git repack -a -d &&
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test_must_fail git cat-file commit $R &&
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git fetch ../ "refs/replace/*:refs/replace/*" &&
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git show HEAD~5 | grep "O Thor" &&
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git show $HASH2 | grep "O Thor" &&
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git cat-file commit $R
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)
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'
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test_expect_success '"git replace" listing and deleting' '
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test "$HASH2" = "$(git replace -l)" &&
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test "$HASH2" = "$(git replace)" &&
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aa=${HASH2%??????????????????????????????????????} &&
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test "$HASH2" = "$(git replace -l "$aa*")" &&
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test_must_fail git replace -d $R &&
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test_must_fail git replace -d &&
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test_must_fail git replace -l -d $HASH2 &&
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git replace -d $HASH2 &&
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git show $HASH2 | grep "A U Thor" &&
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test -z "$(git replace -l)"
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'
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test_expect_success '"git replace" replacing' '
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git replace $HASH2 $R &&
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git show $HASH2 | grep "O Thor" &&
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test_must_fail git replace $HASH2 $R &&
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git replace -f $HASH2 $R &&
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test_must_fail git replace -f &&
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test "$HASH2" = "$(git replace)"
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'
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# This creates a side branch where the bug in H2
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# does not appear because P2 is created by applying
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# H2 and squashing H5 into it.
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# P3, P4 and P6 are created by cherry-picking H3, H4
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# and H6 respectively.
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#
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# At this point, we should have the following:
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#
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# P2--P3--P4--P6
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# /
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# H1-H2-H3-H4-H5-H6-H7
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#
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# Then we replace H6 with P6.
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#
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test_expect_success 'create parallel branch without the bug' '
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git replace -d $HASH2 &&
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git show $HASH2 | grep "A U Thor" &&
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git checkout $HASH1 &&
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git cherry-pick $HASH2 &&
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git show $HASH5 | git apply &&
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git commit --amend -m "hello: 4 more lines WITHOUT the bug" hello &&
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PARA2=$(git rev-parse --verify HEAD) &&
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git cherry-pick $HASH3 &&
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PARA3=$(git rev-parse --verify HEAD) &&
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git cherry-pick $HASH4 &&
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PARA4=$(git rev-parse --verify HEAD) &&
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git cherry-pick $HASH6 &&
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PARA6=$(git rev-parse --verify HEAD) &&
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git replace $HASH6 $PARA6 &&
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git checkout master &&
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cur=$(git rev-parse --verify HEAD) &&
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test "$cur" = "$HASH7" &&
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git log --pretty=oneline | grep $PARA2 &&
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git remote add cloned ./clone_dir
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'
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test_expect_success 'push to cloned repo' '
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git push cloned $HASH6^:refs/heads/parallel &&
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(
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cd clone_dir &&
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git checkout parallel &&
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git log --pretty=oneline | grep $PARA2
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)
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'
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test_expect_success 'push branch with replacement' '
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git cat-file commit $PARA3 | grep "author A U Thor" &&
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S=$(git cat-file commit $PARA3 | sed -e "s/A U/O/" | git hash-object -t commit --stdin -w) &&
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git cat-file commit $S | grep "author O Thor" &&
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git replace $PARA3 $S &&
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git show $HASH6~2 | grep "O Thor" &&
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git show $PARA3 | grep "O Thor" &&
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git push cloned $HASH6^:refs/heads/parallel2 &&
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(
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cd clone_dir &&
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git checkout parallel2 &&
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git log --pretty=oneline | grep $PARA3 &&
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git show $PARA3 | grep "A U Thor"
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)
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'
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test_expect_success 'fetch branch with replacement' '
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git branch tofetch $HASH6 &&
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(
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cd clone_dir &&
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git fetch origin refs/heads/tofetch:refs/heads/parallel3 &&
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git log --pretty=oneline parallel3 > output.txt &&
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! grep $PARA3 output.txt &&
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git show $PARA3 > para3.txt &&
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grep "A U Thor" para3.txt &&
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git fetch origin "refs/replace/*:refs/replace/*" &&
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git log --pretty=oneline parallel3 > output.txt &&
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grep $PARA3 output.txt &&
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git show $PARA3 > para3.txt &&
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grep "O Thor" para3.txt
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)
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'
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test_expect_success 'bisect and replacements' '
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git bisect start $HASH7 $HASH1 &&
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test "$PARA3" = "$(git rev-parse --verify HEAD)" &&
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git bisect reset &&
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GIT_NO_REPLACE_OBJECTS=1 git bisect start $HASH7 $HASH1 &&
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test "$HASH4" = "$(git rev-parse --verify HEAD)" &&
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git bisect reset &&
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git --no-replace-objects bisect start $HASH7 $HASH1 &&
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test "$HASH4" = "$(git rev-parse --verify HEAD)" &&
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git bisect reset
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'
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test_expect_success 'index-pack and replacements' '
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git --no-replace-objects rev-list --objects HEAD |
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git --no-replace-objects pack-objects test- &&
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git index-pack test-*.pack
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'
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#
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#
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test_done
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