#!/bin/sh test_description='git filter-branch' . ./test-lib.sh . "$TEST_DIRECTORY/lib-gpg.sh" test_expect_success 'setup' ' test_commit A && GIT_COMMITTER_DATE="@0 +0000" GIT_AUTHOR_DATE="@0 +0000" && test_commit --notick B && git checkout -b branch B && test_commit D && mkdir dir && test_commit dir/D && test_commit E && git checkout master && test_commit C && git checkout branch && git merge C && git tag F && test_commit G && test_commit H ' # * (HEAD, branch) H # * G # * Merge commit 'C' into branch # |\ # | * (master) C # * | E # * | dir/D # * | D # |/ # * B # * A H=$(git rev-parse H) test_expect_success 'rewrite identically' ' git filter-branch branch ' test_expect_success 'result is really identical' ' test $H = $(git rev-parse HEAD) ' test_expect_success 'rewrite bare repository identically' ' (git config core.bare true && cd .git && git filter-branch branch > filter-output 2>&1 && ! fgrep fatal filter-output) ' git config core.bare false test_expect_success 'result is really identical' ' test $H = $(git rev-parse HEAD) ' TRASHDIR=$(pwd) test_expect_success 'correct GIT_DIR while using -d' ' mkdir drepo && ( cd drepo && git init && test_commit drepo && git filter-branch -d "$TRASHDIR/dfoo" \ --index-filter "cp \"$TRASHDIR\"/dfoo/backup-refs \"$TRASHDIR\"" \ ) && grep drepo "$TRASHDIR/backup-refs" ' test_expect_success 'tree-filter works with -d' ' git init drepo-tree && ( cd drepo-tree && test_commit one && git filter-branch -d "$TRASHDIR/dfoo" \ --tree-filter "echo changed >one.t" && echo changed >expect && git cat-file blob HEAD:one.t >actual && test_cmp expect actual && test_cmp one.t actual ) ' test_expect_success 'Fail if commit filter fails' ' test_must_fail git filter-branch -f --commit-filter "exit 1" HEAD ' test_expect_success 'rewrite, renaming a specific file' ' git filter-branch -f --tree-filter "mv D.t doh || :" HEAD ' test_expect_success 'test that the file was renamed' ' test D = "$(git show HEAD:doh --)" && ! test -f D.t && test -f doh && test D = "$(cat doh)" ' test_expect_success 'rewrite, renaming a specific directory' ' git filter-branch -f --tree-filter "mv dir diroh || :" HEAD ' test_expect_success 'test that the directory was renamed' ' test dir/D = "$(git show HEAD:diroh/D.t --)" && ! test -d dir && test -d diroh && ! test -d diroh/dir && test -f diroh/D.t && test dir/D = "$(cat diroh/D.t)" ' V=$(git rev-parse HEAD) test_expect_success 'populate --state-branch' ' git filter-branch --state-branch state -f --tree-filter "touch file || :" HEAD ' W=$(git rev-parse HEAD) test_expect_success 'using --state-branch to skip already rewritten commits' ' test_when_finished git reset --hard $V && git reset --hard $V && git filter-branch --state-branch state -f --tree-filter "touch file || :" HEAD && test_cmp_rev $W HEAD ' git tag oldD HEAD~4 test_expect_success 'rewrite one branch, keeping a side branch' ' git branch modD oldD && git filter-branch -f --tree-filter "mv B.t boh || :" D..modD ' test_expect_success 'common ancestor is still common (unchanged)' ' test "$(git merge-base modD D)" = "$(git rev-parse B)" ' test_expect_success 'filter subdirectory only' ' mkdir subdir && touch subdir/new && git add subdir/new && test_tick && git commit -m "subdir" && echo H > A.t && test_tick && git commit -m "not subdir" A.t && echo A > subdir/new && test_tick && git commit -m "again subdir" subdir/new && git rm A.t && test_tick && git commit -m "again not subdir" && git branch sub && git branch sub-earlier HEAD~2 && git filter-branch -f --subdirectory-filter subdir \ refs/heads/sub refs/heads/sub-earlier ' test_expect_success 'subdirectory filter result looks okay' ' test 2 = $(git rev-list sub | wc -l) && git show sub:new && test_must_fail git show sub:subdir && git show sub-earlier:new && test_must_fail git show sub-earlier:subdir ' test_expect_success 'more setup' ' git checkout master && mkdir subdir && echo A > subdir/new && git add subdir/new && test_tick && git commit -m "subdir on master" subdir/new && git rm A.t && test_tick && git commit -m "again subdir on master" && git merge branch ' test_expect_success 'use index-filter to move into a subdirectory' ' git branch directorymoved && git filter-branch -f --index-filter \ "git ls-files -s | sed \"s- -&newsubdir/-\" | GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \ git update-index --index-info && mv \"\$GIT_INDEX_FILE.new\" \"\$GIT_INDEX_FILE\"" directorymoved && git diff --exit-code HEAD directorymoved:newsubdir ' test_expect_success 'stops when msg filter fails' ' old=$(git rev-parse HEAD) && test_must_fail git filter-branch -f --msg-filter false HEAD && test $old = $(git rev-parse HEAD) && rm -rf .git-rewrite ' test_expect_success 'author information is preserved' ' : > i && git add i && test_tick && GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips && git branch preserved-author && (sane_unset GIT_AUTHOR_NAME && git filter-branch -f --msg-filter "cat; \ test \$GIT_COMMIT != $(git rev-parse master) || \ echo Hallo" \ preserved-author) && git rev-list --author="B V Uips" preserved-author >actual && test_line_count = 1 actual ' test_expect_success "remove a certain author's commits" ' echo i > i && test_tick && git commit -m i i && git branch removed-author && git filter-branch -f --commit-filter "\ if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\ then\ skip_commit \"\$@\"; else\ git commit-tree \"\$@\";\ fi" removed-author && cnt1=$(git rev-list master | wc -l) && cnt2=$(git rev-list removed-author | wc -l) && test $cnt1 -eq $(($cnt2 + 1)) && git rev-list --author="B V Uips" removed-author >actual && test_line_count = 0 actual ' test_expect_success 'barf on invalid name' ' test_must_fail git filter-branch -f master xy-problem && test_must_fail git filter-branch -f HEAD^ ' test_expect_success '"map" works in commit filter' ' git filter-branch -f --commit-filter "\ parent=\$(git rev-parse \$GIT_COMMIT^) && mapped=\$(map \$parent) && actual=\$(echo \"\$@\" | sed \"s/^.*-p //\") && test \$mapped = \$actual && git commit-tree \"\$@\";" master~2..master && git rev-parse --verify master ' test_expect_success 'Name needing quotes' ' git checkout -b rerere A && mkdir foo && name="れれれ" && >foo/$name && git add foo && git commit -m "Adding a file" && git filter-branch --tree-filter "rm -fr foo" && test_must_fail git ls-files --error-unmatch "foo/$name" && test $(git rev-parse --verify rerere) != $(git rev-parse --verify A) ' test_expect_success 'Subdirectory filter with disappearing trees' ' git reset --hard && git checkout master && mkdir foo && touch foo/bar && git add foo && test_tick && git commit -m "Adding foo" && git rm -r foo && test_tick && git commit -m "Removing foo" && mkdir foo && touch foo/bar && git add foo && test_tick && git commit -m "Re-adding foo" && git filter-branch -f --subdirectory-filter foo && git rev-list master >actual && test_line_count = 3 actual ' test_expect_success 'Tag name filtering retains tag message' ' git tag -m atag T && git cat-file tag T > expect && git filter-branch -f --tag-name-filter cat && git cat-file tag T > actual && test_cmp expect actual ' faux_gpg_tag='object XXXXXX type commit tag S tagger T A Gger <tagger@example.com> 1206026339 -0500 This is a faux gpg signed tag. -----BEGIN PGP SIGNATURE----- Version: FauxGPG v0.0.0 (FAUX/Linux) gdsfoewhxu/6l06f1kxyxhKdZkrcbaiOMtkJUA9ITAc1mlamh0ooasxkH1XwMbYQ acmwXaWET20H0GeAGP+7vow= =agpO -----END PGP SIGNATURE----- ' test_expect_success 'Tag name filtering strips gpg signature' ' sha1=$(git rev-parse HEAD) && sha1t=$(echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | git mktag) && git update-ref "refs/tags/S" "$sha1t" && echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | head -n 6 > expect && git filter-branch -f --tag-name-filter cat && git cat-file tag S > actual && test_cmp expect actual ' test_expect_success GPG 'Filtering retains message of gpg signed commit' ' mkdir gpg && touch gpg/foo && git add gpg && test_tick && git commit -S -m "Adding gpg" && git log -1 --format="%s" > expect && git filter-branch -f --msg-filter "cat" && git log -1 --format="%s" > actual && test_cmp expect actual ' test_expect_success 'Tag name filtering allows slashes in tag names' ' git tag -m tag-with-slash X/1 && git cat-file tag X/1 | sed -e s,X/1,X/2, > expect && git filter-branch -f --tag-name-filter "echo X/2" && git cat-file tag X/2 > actual && test_cmp expect actual ' test_expect_success 'setup --prune-empty comparisons' ' git checkout --orphan master-no-a && git rm -rf . && unset test_tick && test_tick && GIT_COMMITTER_DATE="@0 +0000" GIT_AUTHOR_DATE="@0 +0000" && test_commit --notick B B.t B Bx && git checkout -b branch-no-a Bx && test_commit D D.t D Dx && mkdir dir && test_commit dir/D dir/D.t dir/D dir/Dx && test_commit E E.t E Ex && git checkout master-no-a && test_commit C C.t C Cx && git checkout branch-no-a && git merge Cx -m "Merge tag '\''C'\'' into branch" && git tag Fx && test_commit G G.t G Gx && test_commit H H.t H Hx && git checkout branch ' test_expect_success 'Prune empty commits' ' git rev-list HEAD > expect && test_commit to_remove && git filter-branch -f --index-filter "git update-index --remove to_remove.t" --prune-empty HEAD && git rev-list HEAD > actual && test_cmp expect actual ' test_expect_success 'prune empty collapsed merges' ' test_config merge.ff false && git rev-list HEAD >expect && test_commit to_remove_2 && git reset --hard HEAD^ && test_merge non-ff to_remove_2 && git filter-branch -f --index-filter "git update-index --remove to_remove_2.t" --prune-empty HEAD && git rev-list HEAD >actual && test_cmp expect actual ' test_expect_success 'prune empty works even without index/tree filters' ' git rev-list HEAD >expect && git commit --allow-empty -m empty && git filter-branch -f --prune-empty HEAD && git rev-list HEAD >actual && test_cmp expect actual ' test_expect_success '--prune-empty is able to prune root commit' ' git rev-list branch-no-a >expect && git branch testing H && git filter-branch -f --prune-empty --index-filter "git update-index --remove A.t" testing && git rev-list testing >actual && git branch -D testing && test_cmp expect actual ' test_expect_success '--prune-empty is able to prune entire branch' ' git branch prune-entire B && git filter-branch -f --prune-empty --index-filter "git update-index --remove A.t B.t" prune-entire && test_path_is_missing .git/refs/heads/prune-entire && test_must_fail git reflog exists refs/heads/prune-entire ' test_expect_success '--remap-to-ancestor with filename filters' ' git checkout master && git reset --hard A && test_commit add-foo foo 1 && git branch moved-foo && test_commit add-bar bar a && git branch invariant && orig_invariant=$(git rev-parse invariant) && git branch moved-bar && test_commit change-foo foo 2 && git filter-branch -f --remap-to-ancestor \ moved-foo moved-bar A..master \ -- -- foo && test $(git rev-parse moved-foo) = $(git rev-parse moved-bar) && test $(git rev-parse moved-foo) = $(git rev-parse master^) && test $orig_invariant = $(git rev-parse invariant) ' test_expect_success 'automatic remapping to ancestor with filename filters' ' git checkout master && git reset --hard A && test_commit add-foo2 foo 1 && git branch moved-foo2 && test_commit add-bar2 bar a && git branch invariant2 && orig_invariant=$(git rev-parse invariant2) && git branch moved-bar2 && test_commit change-foo2 foo 2 && git filter-branch -f \ moved-foo2 moved-bar2 A..master \ -- -- foo && test $(git rev-parse moved-foo2) = $(git rev-parse moved-bar2) && test $(git rev-parse moved-foo2) = $(git rev-parse master^) && test $orig_invariant = $(git rev-parse invariant2) ' test_expect_success 'setup submodule' ' rm -fr ?* .git && git init && test_commit file && mkdir submod && submodurl="$PWD/submod" && ( cd submod && git init && test_commit file-in-submod ) && git submodule add "$submodurl" && git commit -m "added submodule" && test_commit add-file && ( cd submod && test_commit add-in-submodule ) && git add submod && git commit -m "changed submodule" && git branch original HEAD ' orig_head=$(git show-ref --hash --head HEAD) test_expect_success 'rewrite submodule with another content' ' git filter-branch --tree-filter "test -d submod && { rm -rf submod && git rm -rf --quiet submod && mkdir submod && : > submod/file } || :" HEAD && test $orig_head != $(git show-ref --hash --head HEAD) ' test_expect_success 'replace submodule revision' ' git reset --hard original && git filter-branch -f --tree-filter \ "if git ls-files --error-unmatch -- submod > /dev/null 2>&1 then git update-index --cacheinfo 160000 0123456789012345678901234567890123456789 submod fi" HEAD && test $orig_head != $(git show-ref --hash --head HEAD) ' test_expect_success 'filter commit message without trailing newline' ' git reset --hard original && commit=$(printf "no newline" | git commit-tree HEAD^{tree}) && git update-ref refs/heads/no-newline $commit && git filter-branch -f refs/heads/no-newline && echo $commit >expect && git rev-parse refs/heads/no-newline >actual && test_cmp expect actual ' test_expect_success 'tree-filter deals with object name vs pathname ambiguity' ' test_when_finished "git reset --hard original" && ambiguous=$(git rev-list -1 HEAD) && git filter-branch --tree-filter "mv file.t $ambiguous" HEAD^.. && git show HEAD:$ambiguous ' test_expect_success 'rewrite repository including refs that point at non-commit object' ' test_when_finished "git reset --hard original" && tree=$(git rev-parse HEAD^{tree}) && test_when_finished "git replace -d $tree" && echo A >new && git add new && new_tree=$(git write-tree) && git replace $tree $new_tree && git tag -a -m "tag to a tree" treetag $new_tree && git reset --hard HEAD && git filter-branch -f -- --all >filter-output 2>&1 && ! fgrep fatal filter-output ' test_done