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Diffstat (limited to 't/t7003-filter-branch.sh')
| -rwxr-xr-x | t/t7003-filter-branch.sh | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh new file mode 100755 index 000000000000..e23de7d0b5a4 --- /dev/null +++ b/t/t7003-filter-branch.sh @@ -0,0 +1,505 @@ +#!/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="ใใใ" && + >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 |