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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/t6050-replace.sh | |
parent | Initial commit. (diff) | |
download | git-upstream/1%2.39.2.tar.xz git-upstream/1%2.39.2.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/t6050-replace.sh')
-rwxr-xr-x | t/t6050-replace.sh | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/t/t6050-replace.sh b/t/t6050-replace.sh new file mode 100755 index 0000000..2500acc --- /dev/null +++ b/t/t6050-replace.sh @@ -0,0 +1,510 @@ +#!/bin/sh +# +# Copyright (c) 2008 Christian Couder +# +test_description='Tests replace refs functionality' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh +. "$TEST_DIRECTORY/lib-gpg.sh" + +add_and_commit_file () +{ + _file="$1" + _msg="$2" + + git add $_file || return $? + test_tick || return $? + git commit --quiet -m "$_file: $_msg" +} + +commit_buffer_contains_parents () +{ + git cat-file commit "$1" >payload && + sed -n -e '/^$/q' -e '/^parent /p' <payload >actual && + shift && + for _parent + do + echo "parent $_parent" + done >expected && + test_cmp expected actual +} + +commit_peeling_shows_parents () +{ + _parent_number=1 + _commit="$1" + shift && + for _parent + do + _found=$(git rev-parse --verify $_commit^$_parent_number) || return 1 + test "$_found" = "$_parent" || return 1 + _parent_number=$(( $_parent_number + 1 )) + done && + test_must_fail git rev-parse --verify $_commit^$_parent_number 2>err && + test_i18ngrep "Needed a single revision" err +} + +commit_has_parents () +{ + commit_buffer_contains_parents "$@" && + commit_peeling_shows_parents "$@" +} + +HASH1= +HASH2= +HASH3= +HASH4= +HASH5= +HASH6= +HASH7= + +test_expect_success 'set up buggy branch' ' + echo "line 1" >>hello && + echo "line 2" >>hello && + echo "line 3" >>hello && + echo "line 4" >>hello && + add_and_commit_file hello "4 lines" && + HASH1=$(git rev-parse --verify HEAD) && + echo "line BUG" >>hello && + echo "line 6" >>hello && + echo "line 7" >>hello && + echo "line 8" >>hello && + add_and_commit_file hello "4 more lines with a BUG" && + HASH2=$(git rev-parse --verify HEAD) && + echo "line 9" >>hello && + echo "line 10" >>hello && + add_and_commit_file hello "2 more lines" && + HASH3=$(git rev-parse --verify HEAD) && + echo "line 11" >>hello && + add_and_commit_file hello "1 more line" && + HASH4=$(git rev-parse --verify HEAD) && + sed -e "s/BUG/5/" hello >hello.new && + mv hello.new hello && + add_and_commit_file hello "BUG fixed" && + HASH5=$(git rev-parse --verify HEAD) && + echo "line 12" >>hello && + echo "line 13" >>hello && + add_and_commit_file hello "2 more lines" && + HASH6=$(git rev-parse --verify HEAD) && + echo "line 14" >>hello && + echo "line 15" >>hello && + echo "line 16" >>hello && + add_and_commit_file hello "again 3 more lines" && + HASH7=$(git rev-parse --verify HEAD) +' + +test_expect_success 'replace the author' ' + git cat-file commit $HASH2 | grep "author A U Thor" && + R=$(git cat-file commit $HASH2 | sed -e "s/A U/O/" | git hash-object -t commit --stdin -w) && + git cat-file commit $R | grep "author O Thor" && + git update-ref refs/replace/$HASH2 $R && + git show HEAD~5 | grep "O Thor" && + git show $HASH2 | grep "O Thor" +' + +test_expect_success 'test --no-replace-objects option' ' + git cat-file commit $HASH2 | grep "author O Thor" && + git --no-replace-objects cat-file commit $HASH2 | grep "author A U Thor" && + git show $HASH2 | grep "O Thor" && + git --no-replace-objects show $HASH2 | grep "A U Thor" +' + +test_expect_success 'test GIT_NO_REPLACE_OBJECTS env variable' ' + GIT_NO_REPLACE_OBJECTS=1 git cat-file commit $HASH2 | grep "author A U Thor" && + GIT_NO_REPLACE_OBJECTS=1 git show $HASH2 | grep "A U Thor" +' + +test_expect_success 'test core.usereplacerefs config option' ' + test_config core.usereplacerefs false && + git cat-file commit $HASH2 | grep "author A U Thor" && + git show $HASH2 | grep "A U Thor" +' + +cat >tag.sig <<EOF +object $HASH2 +type commit +tag mytag +tagger T A Gger <> 0 +0000 + +EOF + +test_expect_success 'tag replaced commit' ' + git update-ref refs/tags/mytag $(git mktag <tag.sig) +' + +test_expect_success '"git fsck" works' ' + git fsck main >fsck_main.out && + test_i18ngrep "dangling commit $R" fsck_main.out && + test_i18ngrep "dangling tag $(git show-ref -s refs/tags/mytag)" fsck_main.out && + test -z "$(git fsck)" +' + +test_expect_success 'repack, clone and fetch work' ' + git repack -a -d && + git clone --no-hardlinks . clone_dir && + ( + cd clone_dir && + git show HEAD~5 | grep "A U Thor" && + git show $HASH2 | grep "A U Thor" && + git cat-file commit $R && + git repack -a -d && + test_must_fail git cat-file commit $R && + git fetch ../ "refs/replace/*:refs/replace/*" && + git show HEAD~5 | grep "O Thor" && + git show $HASH2 | grep "O Thor" && + git cat-file commit $R + ) +' + +test_expect_success '"git replace" listing and deleting' ' + test "$HASH2" = "$(git replace -l)" && + test "$HASH2" = "$(git replace)" && + aa=${HASH2%??????????????????????????????????????} && + test "$HASH2" = "$(git replace --list "$aa*")" && + test_must_fail git replace -d $R && + test_must_fail git replace --delete && + test_must_fail git replace -l -d $HASH2 && + git replace -d $HASH2 && + git show $HASH2 | grep "A U Thor" && + test -z "$(git replace -l)" +' + +test_expect_success '"git replace" replacing' ' + git replace $HASH2 $R && + git show $HASH2 | grep "O Thor" && + test_must_fail git replace $HASH2 $R && + git replace -f $HASH2 $R && + test_must_fail git replace -f && + test "$HASH2" = "$(git replace)" +' + +test_expect_success '"git replace" resolves sha1' ' + SHORTHASH2=$(git rev-parse --short=8 $HASH2) && + git replace -d $SHORTHASH2 && + git replace $SHORTHASH2 $R && + git show $HASH2 | grep "O Thor" && + test_must_fail git replace $HASH2 $R && + git replace -f $HASH2 $R && + test_must_fail git replace --force && + test "$HASH2" = "$(git replace)" +' + +# This creates a side branch where the bug in H2 +# does not appear because P2 is created by applying +# H2 and squashing H5 into it. +# P3, P4 and P6 are created by cherry-picking H3, H4 +# and H6 respectively. +# +# At this point, we should have the following: +# +# P2--P3--P4--P6 +# / +# H1-H2-H3-H4-H5-H6-H7 +# +# Then we replace H6 with P6. +# +test_expect_success 'create parallel branch without the bug' ' + git replace -d $HASH2 && + git show $HASH2 | grep "A U Thor" && + git checkout $HASH1 && + git cherry-pick $HASH2 && + git show $HASH5 | git apply && + git commit --amend -m "hello: 4 more lines WITHOUT the bug" hello && + PARA2=$(git rev-parse --verify HEAD) && + git cherry-pick $HASH3 && + PARA3=$(git rev-parse --verify HEAD) && + git cherry-pick $HASH4 && + PARA4=$(git rev-parse --verify HEAD) && + git cherry-pick $HASH6 && + PARA6=$(git rev-parse --verify HEAD) && + git replace $HASH6 $PARA6 && + git checkout main && + cur=$(git rev-parse --verify HEAD) && + test "$cur" = "$HASH7" && + git log --pretty=oneline | grep $PARA2 && + git remote add cloned ./clone_dir +' + +test_expect_success 'push to cloned repo' ' + git push cloned $HASH6^:refs/heads/parallel && + ( + cd clone_dir && + git checkout parallel && + git log --pretty=oneline | grep $PARA2 + ) +' + +test_expect_success 'push branch with replacement' ' + git cat-file commit $PARA3 | grep "author A U Thor" && + S=$(git cat-file commit $PARA3 | sed -e "s/A U/O/" | git hash-object -t commit --stdin -w) && + git cat-file commit $S | grep "author O Thor" && + git replace $PARA3 $S && + git show $HASH6~2 | grep "O Thor" && + git show $PARA3 | grep "O Thor" && + git push cloned $HASH6^:refs/heads/parallel2 && + ( + cd clone_dir && + git checkout parallel2 && + git log --pretty=oneline | grep $PARA3 && + git show $PARA3 | grep "A U Thor" + ) +' + +test_expect_success 'fetch branch with replacement' ' + git branch tofetch $HASH6 && + ( + cd clone_dir && + git fetch origin refs/heads/tofetch:refs/heads/parallel3 && + git log --pretty=oneline parallel3 >output.txt && + ! grep $PARA3 output.txt && + git show $PARA3 >para3.txt && + grep "A U Thor" para3.txt && + git fetch origin "refs/replace/*:refs/replace/*" && + git log --pretty=oneline parallel3 >output.txt && + grep $PARA3 output.txt && + git show $PARA3 >para3.txt && + grep "O Thor" para3.txt + ) +' + +test_expect_success 'bisect and replacements' ' + git bisect start $HASH7 $HASH1 && + test "$PARA3" = "$(git rev-parse --verify HEAD)" && + git bisect reset && + GIT_NO_REPLACE_OBJECTS=1 git bisect start $HASH7 $HASH1 && + test "$HASH4" = "$(git rev-parse --verify HEAD)" && + git bisect reset && + git --no-replace-objects bisect start $HASH7 $HASH1 && + test "$HASH4" = "$(git rev-parse --verify HEAD)" && + git bisect reset +' + +test_expect_success 'index-pack and replacements' ' + git --no-replace-objects rev-list --objects HEAD | + git --no-replace-objects pack-objects test- && + git index-pack test-*.pack +' + +test_expect_success 'not just commits' ' + echo replaced >file && + git add file && + REPLACED=$(git rev-parse :file) && + mv file file.replaced && + + echo original >file && + git add file && + ORIGINAL=$(git rev-parse :file) && + git update-ref refs/replace/$ORIGINAL $REPLACED && + mv file file.original && + + git checkout file && + test_cmp file.replaced file +' + +test_expect_success 'replaced and replacement objects must be of the same type' ' + test_must_fail git replace mytag $HASH1 && + test_must_fail git replace HEAD^{tree} HEAD~1 && + BLOB=$(git rev-parse :file) && + test_must_fail git replace HEAD^ $BLOB +' + +test_expect_success '-f option bypasses the type check' ' + git replace -f mytag $HASH1 && + git replace --force HEAD^{tree} HEAD~1 && + git replace -f HEAD^ $BLOB +' + +test_expect_success 'git cat-file --batch works on replace objects' ' + git replace | grep $PARA3 && + echo $PARA3 | git cat-file --batch +' + +test_expect_success 'test --format bogus' ' + test_must_fail git replace --format bogus >/dev/null 2>&1 +' + +test_expect_success 'test --format short' ' + git replace --format=short >actual && + git replace >expected && + test_cmp expected actual +' + +test_expect_success 'test --format medium' ' + H1=$(git --no-replace-objects rev-parse HEAD~1) && + HT=$(git --no-replace-objects rev-parse HEAD^{tree}) && + MYTAG=$(git --no-replace-objects rev-parse mytag) && + { + echo "$H1 -> $BLOB" && + echo "$BLOB -> $REPLACED" && + echo "$HT -> $H1" && + echo "$PARA3 -> $S" && + echo "$MYTAG -> $HASH1" + } | sort >expected && + git replace -l --format medium | sort >actual && + test_cmp expected actual +' + +test_expect_success 'test --format long' ' + { + echo "$H1 (commit) -> $BLOB (blob)" && + echo "$BLOB (blob) -> $REPLACED (blob)" && + echo "$HT (tree) -> $H1 (commit)" && + echo "$PARA3 (commit) -> $S (commit)" && + echo "$MYTAG (tag) -> $HASH1 (commit)" + } | sort >expected && + git replace --format=long | sort >actual && + test_cmp expected actual +' + +test_expect_success 'setup fake editors' ' + write_script fakeeditor <<-\EOF && + sed -e "s/A U Thor/A fake Thor/" "$1" >"$1.new" + mv "$1.new" "$1" + EOF + write_script failingfakeeditor <<-\EOF + ./fakeeditor "$@" + false + EOF +' + +test_expect_success '--edit with and without already replaced object' ' + test_must_fail env GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" && + GIT_EDITOR=./fakeeditor git replace --force --edit "$PARA3" && + git replace -l | grep "$PARA3" && + git cat-file commit "$PARA3" | grep "A fake Thor" && + git replace -d "$PARA3" && + GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" && + git replace -l | grep "$PARA3" && + git cat-file commit "$PARA3" | grep "A fake Thor" +' + +test_expect_success '--edit and change nothing or command failed' ' + git replace -d "$PARA3" && + test_must_fail env GIT_EDITOR=true git replace --edit "$PARA3" && + test_must_fail env GIT_EDITOR="./failingfakeeditor" git replace --edit "$PARA3" && + GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" && + git replace -l | grep "$PARA3" && + git cat-file commit "$PARA3" | grep "A fake Thor" +' + +test_expect_success 'replace ref cleanup' ' + test -n "$(git replace)" && + git replace -d $(git replace) && + test -z "$(git replace)" +' + +test_expect_success '--graft with and without already replaced object' ' + git log --oneline >log && + test_line_count = 7 log && + git replace --graft $HASH5 && + git log --oneline >log && + test_line_count = 3 log && + commit_has_parents $HASH5 && + test_must_fail git replace --graft $HASH5 $HASH4 $HASH3 && + git replace --force -g $HASH5 $HASH4 $HASH3 && + commit_has_parents $HASH5 $HASH4 $HASH3 && + git replace -d $HASH5 +' + +test_expect_success '--graft using a tag as the new parent' ' + git tag new_parent $HASH5 && + git replace --graft $HASH7 new_parent && + commit_has_parents $HASH7 $HASH5 && + git replace -d $HASH7 && + git tag -a -m "annotated new parent tag" annotated_new_parent $HASH5 && + git replace --graft $HASH7 annotated_new_parent && + commit_has_parents $HASH7 $HASH5 && + git replace -d $HASH7 +' + +test_expect_success '--graft using a tag as the replaced object' ' + git tag replaced_object $HASH7 && + git replace --graft replaced_object $HASH5 && + commit_has_parents $HASH7 $HASH5 && + git replace -d $HASH7 && + git tag -a -m "annotated replaced object tag" annotated_replaced_object $HASH7 && + git replace --graft annotated_replaced_object $HASH5 && + commit_has_parents $HASH7 $HASH5 && + git replace -d $HASH7 +' + +test_expect_success GPG 'set up a signed commit' ' + echo "line 17" >>hello && + echo "line 18" >>hello && + git add hello && + test_tick && + git commit --quiet -S -m "hello: 2 more lines in a signed commit" && + HASH8=$(git rev-parse --verify HEAD) && + git verify-commit $HASH8 +' + +test_expect_success GPG '--graft with a signed commit' ' + git cat-file commit $HASH8 >orig && + git replace --graft $HASH8 && + git cat-file commit $HASH8 >repl && + commit_has_parents $HASH8 && + test_must_fail git verify-commit $HASH8 && + sed -n -e "/^tree /p" -e "/^author /p" -e "/^committer /p" orig >expected && + echo >>expected && + sed -e "/^$/q" repl >actual && + test_cmp expected actual && + git replace -d $HASH8 +' + +test_expect_success GPG 'set up a merge commit with a mergetag' ' + git reset --hard HEAD && + git checkout -b test_branch HEAD~2 && + echo "line 1 from test branch" >>hello && + echo "line 2 from test branch" >>hello && + git add hello && + test_tick && + git commit -m "hello: 2 more lines from a test branch" && + HASH9=$(git rev-parse --verify HEAD) && + git tag -s -m "tag for testing with a mergetag" test_tag HEAD && + git checkout main && + git merge -s ours test_tag && + HASH10=$(git rev-parse --verify HEAD) && + git cat-file commit $HASH10 | grep "^mergetag object" +' + +test_expect_success GPG '--graft on a commit with a mergetag' ' + test_must_fail git replace --graft $HASH10 $HASH8^1 && + git replace --graft $HASH10 $HASH8^1 $HASH9 && + git replace -d $HASH10 +' + +test_expect_success '--convert-graft-file' ' + git checkout -b with-graft-file && + test_commit root2 && + git reset --hard root2^ && + test_commit root1 && + test_commit after-root1 && + test_tick && + git merge -m merge-root2 root2 && + + : add and convert graft file && + printf "%s\n%s %s\n\n# comment\n%s\n" \ + $(git rev-parse HEAD^^ HEAD^ HEAD^^ HEAD^2) \ + >.git/info/grafts && + git status 2>stderr && + test_i18ngrep "hint:.*grafts is deprecated" stderr && + git replace --convert-graft-file 2>stderr && + 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 |