mirror of
https://github.com/git/git.git
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e6b0a8fab8
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
511 lines
15 KiB
Bash
Executable File
511 lines
15 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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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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. "$TEST_DIRECTORY/lib-gpg.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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commit_buffer_contains_parents ()
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{
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git cat-file commit "$1" >payload &&
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sed -n -e '/^$/q' -e '/^parent /p' <payload >actual &&
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shift &&
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for _parent
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do
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echo "parent $_parent"
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done >expected &&
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test_cmp expected actual
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}
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commit_peeling_shows_parents ()
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{
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_parent_number=1
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_commit="$1"
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shift &&
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for _parent
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do
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_found=$(git rev-parse --verify $_commit^$_parent_number) || return 1
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test "$_found" = "$_parent" || return 1
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_parent_number=$(( $_parent_number + 1 ))
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done &&
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test_must_fail git rev-parse --verify $_commit^$_parent_number 2>err &&
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test_i18ngrep "Needed a single revision" err
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}
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commit_has_parents ()
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{
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commit_buffer_contains_parents "$@" &&
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commit_peeling_shows_parents "$@"
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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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test_expect_success 'test core.usereplacerefs config option' '
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test_config core.usereplacerefs false &&
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git cat-file commit $HASH2 | grep "author A U Thor" &&
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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 update-ref refs/tags/mytag $(git mktag <tag.sig)
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'
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test_expect_success '"git fsck" works' '
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git fsck main >fsck_main.out &&
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test_i18ngrep "dangling commit $R" fsck_main.out &&
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test_i18ngrep "dangling tag $(git show-ref -s refs/tags/mytag)" fsck_main.out &&
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test -z "$(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 --list "$aa*")" &&
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test_must_fail git replace -d $R &&
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test_must_fail git replace --delete &&
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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" = "$(git replace)"
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'
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test_expect_success '"git replace" resolves sha1' '
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SHORTHASH2=$(git rev-parse --short=8 $HASH2) &&
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git replace -d $SHORTHASH2 &&
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git replace $SHORTHASH2 $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 $R &&
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test_must_fail git replace --force &&
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test "$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 $PARA6 &&
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git checkout main &&
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cur=$(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" = "$(git rev-parse --verify HEAD)" &&
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git bisect reset
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'
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test_expect_success 'index-pack and replacements' '
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git --no-replace-objects rev-list --objects HEAD |
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git --no-replace-objects pack-objects test- &&
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git index-pack test-*.pack
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'
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test_expect_success 'not just commits' '
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echo replaced >file &&
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git add file &&
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REPLACED=$(git rev-parse :file) &&
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mv file file.replaced &&
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echo original >file &&
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git add file &&
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ORIGINAL=$(git rev-parse :file) &&
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git update-ref refs/replace/$ORIGINAL $REPLACED &&
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mv file file.original &&
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git checkout file &&
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test_cmp file.replaced file
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'
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test_expect_success 'replaced and replacement objects must be of the same type' '
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test_must_fail git replace mytag $HASH1 &&
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test_must_fail git replace HEAD^{tree} HEAD~1 &&
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BLOB=$(git rev-parse :file) &&
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test_must_fail git replace HEAD^ $BLOB
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'
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test_expect_success '-f option bypasses the type check' '
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git replace -f mytag $HASH1 &&
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git replace --force HEAD^{tree} HEAD~1 &&
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git replace -f HEAD^ $BLOB
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'
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test_expect_success 'git cat-file --batch works on replace objects' '
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git replace | grep $PARA3 &&
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echo $PARA3 | git cat-file --batch
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'
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test_expect_success 'test --format bogus' '
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test_must_fail git replace --format bogus >/dev/null 2>&1
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'
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test_expect_success 'test --format short' '
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git replace --format=short >actual &&
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git replace >expected &&
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test_cmp expected actual
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'
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test_expect_success 'test --format medium' '
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H1=$(git --no-replace-objects rev-parse HEAD~1) &&
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HT=$(git --no-replace-objects rev-parse HEAD^{tree}) &&
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MYTAG=$(git --no-replace-objects rev-parse mytag) &&
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{
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echo "$H1 -> $BLOB" &&
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echo "$BLOB -> $REPLACED" &&
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echo "$HT -> $H1" &&
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echo "$PARA3 -> $S" &&
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echo "$MYTAG -> $HASH1"
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} | sort >expected &&
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git replace -l --format medium | sort >actual &&
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test_cmp expected actual
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'
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test_expect_success 'test --format long' '
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{
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echo "$H1 (commit) -> $BLOB (blob)" &&
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echo "$BLOB (blob) -> $REPLACED (blob)" &&
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echo "$HT (tree) -> $H1 (commit)" &&
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echo "$PARA3 (commit) -> $S (commit)" &&
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echo "$MYTAG (tag) -> $HASH1 (commit)"
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} | sort >expected &&
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git replace --format=long | sort >actual &&
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test_cmp expected actual
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'
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test_expect_success 'setup fake editors' '
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write_script fakeeditor <<-\EOF &&
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sed -e "s/A U Thor/A fake Thor/" "$1" >"$1.new"
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mv "$1.new" "$1"
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EOF
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write_script failingfakeeditor <<-\EOF
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./fakeeditor "$@"
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false
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EOF
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'
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test_expect_success '--edit with and without already replaced object' '
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test_must_fail env GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" &&
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GIT_EDITOR=./fakeeditor git replace --force --edit "$PARA3" &&
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git replace -l | grep "$PARA3" &&
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git cat-file commit "$PARA3" | grep "A fake Thor" &&
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git replace -d "$PARA3" &&
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GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" &&
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git replace -l | grep "$PARA3" &&
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git cat-file commit "$PARA3" | grep "A fake Thor"
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'
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test_expect_success '--edit and change nothing or command failed' '
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git replace -d "$PARA3" &&
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test_must_fail env GIT_EDITOR=true git replace --edit "$PARA3" &&
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test_must_fail env GIT_EDITOR="./failingfakeeditor" git replace --edit "$PARA3" &&
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GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" &&
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git replace -l | grep "$PARA3" &&
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git cat-file commit "$PARA3" | grep "A fake Thor"
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'
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test_expect_success 'replace ref cleanup' '
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test -n "$(git replace)" &&
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git replace -d $(git replace) &&
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test -z "$(git replace)"
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'
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test_expect_success '--graft with and without already replaced object' '
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git log --oneline >log &&
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test_line_count = 7 log &&
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git replace --graft $HASH5 &&
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git log --oneline >log &&
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test_line_count = 3 log &&
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commit_has_parents $HASH5 &&
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test_must_fail git replace --graft $HASH5 $HASH4 $HASH3 &&
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git replace --force -g $HASH5 $HASH4 $HASH3 &&
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commit_has_parents $HASH5 $HASH4 $HASH3 &&
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git replace -d $HASH5
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'
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test_expect_success '--graft using a tag as the new parent' '
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git tag new_parent $HASH5 &&
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git replace --graft $HASH7 new_parent &&
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commit_has_parents $HASH7 $HASH5 &&
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git replace -d $HASH7 &&
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git tag -a -m "annotated new parent tag" annotated_new_parent $HASH5 &&
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git replace --graft $HASH7 annotated_new_parent &&
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commit_has_parents $HASH7 $HASH5 &&
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git replace -d $HASH7
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'
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test_expect_success '--graft using a tag as the replaced object' '
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git tag replaced_object $HASH7 &&
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git replace --graft replaced_object $HASH5 &&
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commit_has_parents $HASH7 $HASH5 &&
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git replace -d $HASH7 &&
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git tag -a -m "annotated replaced object tag" annotated_replaced_object $HASH7 &&
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git replace --graft annotated_replaced_object $HASH5 &&
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commit_has_parents $HASH7 $HASH5 &&
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git replace -d $HASH7
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'
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test_expect_success GPG 'set up a signed commit' '
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echo "line 17" >>hello &&
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echo "line 18" >>hello &&
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git add hello &&
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test_tick &&
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git commit --quiet -S -m "hello: 2 more lines in a signed commit" &&
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HASH8=$(git rev-parse --verify HEAD) &&
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git verify-commit $HASH8
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'
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test_expect_success GPG '--graft with a signed commit' '
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git cat-file commit $HASH8 >orig &&
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git replace --graft $HASH8 &&
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git cat-file commit $HASH8 >repl &&
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commit_has_parents $HASH8 &&
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test_must_fail git verify-commit $HASH8 &&
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sed -n -e "/^tree /p" -e "/^author /p" -e "/^committer /p" orig >expected &&
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echo >>expected &&
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sed -e "/^$/q" repl >actual &&
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test_cmp expected actual &&
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git replace -d $HASH8
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'
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test_expect_success GPG 'set up a merge commit with a mergetag' '
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git reset --hard HEAD &&
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git checkout -b test_branch HEAD~2 &&
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echo "line 1 from test branch" >>hello &&
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echo "line 2 from test branch" >>hello &&
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git add hello &&
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test_tick &&
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git commit -m "hello: 2 more lines from a test branch" &&
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HASH9=$(git rev-parse --verify HEAD) &&
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git tag -s -m "tag for testing with a mergetag" test_tag HEAD &&
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git checkout main &&
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git merge -s ours test_tag &&
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HASH10=$(git rev-parse --verify HEAD) &&
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git cat-file commit $HASH10 | grep "^mergetag object"
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'
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test_expect_success GPG '--graft on a commit with a mergetag' '
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|
test_must_fail git replace --graft $HASH10 $HASH8^1 &&
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|
git replace --graft $HASH10 $HASH8^1 $HASH9 &&
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|
git replace -d $HASH10
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|
'
|
|
|
|
test_expect_success '--convert-graft-file' '
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|
git checkout -b with-graft-file &&
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|
test_commit root2 &&
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|
git reset --hard root2^ &&
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|
test_commit root1 &&
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|
test_commit after-root1 &&
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|
test_tick &&
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|
git merge -m merge-root2 root2 &&
|
|
|
|
: add and convert graft file &&
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|
printf "%s\n%s %s\n\n# comment\n%s\n" \
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|
$(git rev-parse HEAD^^ HEAD^ HEAD^^ HEAD^2) \
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|
>.git/info/grafts &&
|
|
git status 2>stderr &&
|
|
test_i18ngrep "hint:.*grafts is deprecated" stderr &&
|
|
git replace --convert-graft-file 2>stderr &&
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|
test_i18ngrep ! "hint:.*grafts is deprecated" stderr &&
|
|
test_path_is_missing .git/info/grafts &&
|
|
|
|
: verify that the history is now "grafted" &&
|
|
git rev-list HEAD >out &&
|
|
test_line_count = 4 out &&
|
|
|
|
: create invalid graft file and verify that it is not deleted &&
|
|
test_when_finished "rm -f .git/info/grafts" &&
|
|
echo $EMPTY_BLOB $EMPTY_TREE >.git/info/grafts &&
|
|
test_must_fail git replace --convert-graft-file 2>err &&
|
|
test_i18ngrep "$EMPTY_BLOB $EMPTY_TREE" err &&
|
|
test_i18ngrep "$EMPTY_BLOB $EMPTY_TREE" .git/info/grafts
|
|
'
|
|
|
|
test_done
|