| #!/bin/sh |
| # |
| # Copyright (c) 2008 Christian Couder |
| # |
| test_description='Tests replace refs functionality' |
| |
| . ./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 |
| } |
| |
| 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 mktag <tag.sig >.git/refs/tags/mytag 2>message |
| ' |
| |
| test_expect_success '"git fsck" works' ' |
| git fsck master >fsck_master.out && |
| grep "dangling commit $R" fsck_master.out && |
| grep "dangling tag $(cat .git/refs/tags/mytag)" fsck_master.out && |
| test -z "$(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 $PARA6 && |
| git checkout master && |
| cur=$(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' ' |
| test $(git log --oneline | wc -l) = 7 && |
| git replace --graft $HASH5 && |
| test $(git log --oneline | wc -l) = 3 && |
| 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 $HASH5 |
| ' |
| |
| test_expect_success GPG 'set up a signed commit' ' |
| echo "line 17" >>hello && |
| echo "line 18" >>hello && |
| git add hello && |
| test_tick && |
| git commit --quiet -S -m "hello: 2 more lines in a signed commit" && |
| HASH8=$(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 master && |
| 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 replace --convert-graft-file && |
| 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 |