mirror of
https://github.com/git/git
synced 2024-11-05 18:59:29 +00:00
c139e58237
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
543 lines
15 KiB
Bash
Executable file
543 lines
15 KiB
Bash
Executable file
#!/bin/sh
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test_description='git filter-branch'
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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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test_expect_success 'setup' '
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test_commit A &&
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GIT_COMMITTER_DATE="@0 +0000" GIT_AUTHOR_DATE="@0 +0000" &&
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test_commit --notick B &&
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git checkout -b branch B &&
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test_commit D &&
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mkdir dir &&
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test_commit dir/D &&
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test_commit E &&
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git checkout main &&
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test_commit C &&
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git checkout branch &&
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git merge C &&
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git tag F &&
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test_commit G &&
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test_commit H
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'
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# * (HEAD, branch) H
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# * G
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# * Merge commit 'C' into branch
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# |\
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# | * (main) C
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# * | E
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# * | dir/D
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# * | D
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# |/
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# * B
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# * A
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H=$(git rev-parse H)
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test_expect_success 'rewrite identically' '
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git filter-branch branch
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'
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test_expect_success 'result is really identical' '
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test $H = $(git rev-parse HEAD)
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'
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test_expect_success 'rewrite bare repository identically' '
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(git config core.bare true && cd .git &&
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git filter-branch branch > filter-output 2>&1 &&
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! fgrep fatal filter-output)
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'
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git config core.bare false
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test_expect_success 'result is really identical' '
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test $H = $(git rev-parse HEAD)
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'
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TRASHDIR=$(pwd)
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test_expect_success 'correct GIT_DIR while using -d' '
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mkdir drepo &&
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( cd drepo &&
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git init &&
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test_commit drepo &&
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git filter-branch -d "$TRASHDIR/dfoo" \
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--index-filter "cp \"$TRASHDIR\"/dfoo/backup-refs \"$TRASHDIR\"" \
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) &&
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grep drepo "$TRASHDIR/backup-refs"
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'
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test_expect_success 'tree-filter works with -d' '
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git init drepo-tree &&
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(
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cd drepo-tree &&
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test_commit one &&
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git filter-branch -d "$TRASHDIR/dfoo" \
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--tree-filter "echo changed >one.t" &&
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echo changed >expect &&
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git cat-file blob HEAD:one.t >actual &&
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test_cmp expect actual &&
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test_cmp one.t actual
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)
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'
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test_expect_success 'Fail if commit filter fails' '
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test_must_fail git filter-branch -f --commit-filter "exit 1" HEAD
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'
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test_expect_success 'rewrite, renaming a specific file' '
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git filter-branch -f --tree-filter "mv D.t doh || :" HEAD
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'
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test_expect_success 'test that the file was renamed' '
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test D = "$(git show HEAD:doh --)" &&
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! test -f D.t &&
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test -f doh &&
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test D = "$(cat doh)"
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'
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test_expect_success 'rewrite, renaming a specific directory' '
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git filter-branch -f --tree-filter "mv dir diroh || :" HEAD
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'
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test_expect_success 'test that the directory was renamed' '
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test dir/D = "$(git show HEAD:diroh/D.t --)" &&
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! test -d dir &&
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test -d diroh &&
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! test -d diroh/dir &&
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test -f diroh/D.t &&
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test dir/D = "$(cat diroh/D.t)"
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'
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V=$(git rev-parse HEAD)
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test_expect_success 'populate --state-branch' '
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git filter-branch --state-branch state -f --tree-filter "touch file || :" HEAD
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'
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W=$(git rev-parse HEAD)
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test_expect_success 'using --state-branch to skip already rewritten commits' '
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test_when_finished git reset --hard $V &&
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git reset --hard $V &&
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git filter-branch --state-branch state -f --tree-filter "touch file || :" HEAD &&
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test_cmp_rev $W HEAD
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'
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git tag oldD HEAD~4
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test_expect_success 'rewrite one branch, keeping a side branch' '
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git branch modD oldD &&
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git filter-branch -f --tree-filter "mv B.t boh || :" D..modD
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'
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test_expect_success 'common ancestor is still common (unchanged)' '
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test "$(git merge-base modD D)" = "$(git rev-parse B)"
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'
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test_expect_success 'filter subdirectory only' '
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mkdir subdir &&
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touch subdir/new &&
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git add subdir/new &&
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test_tick &&
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git commit -m "subdir" &&
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echo H > A.t &&
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test_tick &&
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git commit -m "not subdir" A.t &&
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echo A > subdir/new &&
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test_tick &&
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git commit -m "again subdir" subdir/new &&
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git rm A.t &&
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test_tick &&
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git commit -m "again not subdir" &&
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git branch sub &&
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git branch sub-earlier HEAD~2 &&
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git filter-branch -f --subdirectory-filter subdir \
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refs/heads/sub refs/heads/sub-earlier
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'
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test_expect_success 'subdirectory filter result looks okay' '
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test 2 = $(git rev-list sub | wc -l) &&
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git show sub:new &&
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test_must_fail git show sub:subdir &&
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git show sub-earlier:new &&
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test_must_fail git show sub-earlier:subdir
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'
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test_expect_success 'more setup' '
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git checkout main &&
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mkdir subdir &&
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echo A > subdir/new &&
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git add subdir/new &&
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test_tick &&
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git commit -m "subdir on main" subdir/new &&
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git rm A.t &&
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test_tick &&
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git commit -m "again subdir on main" &&
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git merge branch
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'
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test_expect_success 'use index-filter to move into a subdirectory' '
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git branch directorymoved &&
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git filter-branch -f --index-filter \
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"git ls-files -s | sed \"s- -&newsubdir/-\" |
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GIT_INDEX_FILE=\$GIT_INDEX_FILE.new \
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git update-index --index-info &&
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mv \"\$GIT_INDEX_FILE.new\" \"\$GIT_INDEX_FILE\"" directorymoved &&
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git diff --exit-code HEAD directorymoved:newsubdir
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'
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test_expect_success 'stops when msg filter fails' '
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old=$(git rev-parse HEAD) &&
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test_must_fail git filter-branch -f --msg-filter false HEAD &&
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test $old = $(git rev-parse HEAD) &&
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rm -rf .git-rewrite
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'
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test_expect_success 'author information is preserved' '
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: > i &&
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git add i &&
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test_tick &&
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GIT_AUTHOR_NAME="B V Uips" git commit -m bvuips &&
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git branch preserved-author &&
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(sane_unset GIT_AUTHOR_NAME &&
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git filter-branch -f --msg-filter "cat; \
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test \$GIT_COMMIT != $(git rev-parse main) || \
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echo Hallo" \
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preserved-author) &&
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git rev-list --author="B V Uips" preserved-author >actual &&
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test_line_count = 1 actual
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'
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test_expect_success "remove a certain author's commits" '
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echo i > i &&
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test_tick &&
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git commit -m i i &&
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git branch removed-author &&
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git filter-branch -f --commit-filter "\
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if [ \"\$GIT_AUTHOR_NAME\" = \"B V Uips\" ];\
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then\
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skip_commit \"\$@\";
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else\
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git commit-tree \"\$@\";\
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fi" removed-author &&
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cnt1=$(git rev-list main | wc -l) &&
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cnt2=$(git rev-list removed-author | wc -l) &&
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test $cnt1 -eq $(($cnt2 + 1)) &&
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git rev-list --author="B V Uips" removed-author >actual &&
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test_line_count = 0 actual
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'
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test_expect_success 'barf on invalid name' '
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test_must_fail git filter-branch -f main xy-problem &&
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test_must_fail git filter-branch -f HEAD^
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'
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test_expect_success '"map" works in commit filter' '
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git filter-branch -f --commit-filter "\
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parent=\$(git rev-parse \$GIT_COMMIT^) &&
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mapped=\$(map \$parent) &&
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actual=\$(echo \"\$@\" | sed \"s/^.*-p //\") &&
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test \$mapped = \$actual &&
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git commit-tree \"\$@\";" main~2..main &&
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git rev-parse --verify main
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'
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test_expect_success 'Name needing quotes' '
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git checkout -b rerere A &&
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mkdir foo &&
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name="れれれ" &&
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>foo/$name &&
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git add foo &&
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git commit -m "Adding a file" &&
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git filter-branch --tree-filter "rm -fr foo" &&
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test_must_fail git ls-files --error-unmatch "foo/$name" &&
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test $(git rev-parse --verify rerere) != $(git rev-parse --verify A)
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'
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test_expect_success 'Subdirectory filter with disappearing trees' '
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git reset --hard &&
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git checkout main &&
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mkdir foo &&
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touch foo/bar &&
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git add foo &&
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test_tick &&
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git commit -m "Adding foo" &&
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git rm -r foo &&
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test_tick &&
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git commit -m "Removing foo" &&
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mkdir foo &&
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touch foo/bar &&
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git add foo &&
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test_tick &&
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git commit -m "Re-adding foo" &&
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git filter-branch -f --subdirectory-filter foo &&
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git rev-list main >actual &&
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test_line_count = 3 actual
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'
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test_expect_success 'Tag name filtering retains tag message' '
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git tag -m atag T &&
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git cat-file tag T > expect &&
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git filter-branch -f --tag-name-filter cat &&
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git cat-file tag T > actual &&
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test_cmp expect actual
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'
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faux_gpg_tag='object XXXXXX
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type commit
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tag S
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tagger T A Gger <tagger@example.com> 1206026339 -0500
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This is a faux gpg signed tag.
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-----BEGIN PGP SIGNATURE-----
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Version: FauxGPG v0.0.0 (FAUX/Linux)
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gdsfoewhxu/6l06f1kxyxhKdZkrcbaiOMtkJUA9ITAc1mlamh0ooasxkH1XwMbYQ
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acmwXaWET20H0GeAGP+7vow=
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=agpO
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-----END PGP SIGNATURE-----
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'
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test_expect_success 'Tag name filtering strips gpg signature' '
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sha1=$(git rev-parse HEAD) &&
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sha1t=$(echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | git mktag) &&
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git update-ref "refs/tags/S" "$sha1t" &&
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echo "$faux_gpg_tag" | sed -e s/XXXXXX/$sha1/ | head -n 6 > expect &&
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git filter-branch -f --tag-name-filter cat &&
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git cat-file tag S > actual &&
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test_cmp expect actual
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'
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test_expect_success GPG 'Filtering retains message of gpg signed commit' '
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mkdir gpg &&
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touch gpg/foo &&
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git add gpg &&
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test_tick &&
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git commit -S -m "Adding gpg" &&
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git log -1 --format="%s" > expect &&
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git filter-branch -f --msg-filter "cat" &&
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git log -1 --format="%s" > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Tag name filtering allows slashes in tag names' '
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git tag -m tag-with-slash X/1 &&
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git cat-file tag X/1 | sed -e s,X/1,X/2, > expect &&
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git filter-branch -f --tag-name-filter "echo X/2" &&
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git cat-file tag X/2 > actual &&
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test_cmp expect actual
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'
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test_expect_success 'setup --prune-empty comparisons' '
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git checkout --orphan main-no-a &&
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git rm -rf . &&
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unset test_tick &&
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test_tick &&
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GIT_COMMITTER_DATE="@0 +0000" GIT_AUTHOR_DATE="@0 +0000" &&
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test_commit --notick B B.t B Bx &&
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git checkout -b branch-no-a Bx &&
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test_commit D D.t D Dx &&
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mkdir dir &&
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test_commit dir/D dir/D.t dir/D dir/Dx &&
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test_commit E E.t E Ex &&
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git checkout main-no-a &&
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test_commit C C.t C Cx &&
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git checkout branch-no-a &&
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git merge Cx -m "Merge tag '\''C'\'' into branch" &&
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git tag Fx &&
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test_commit G G.t G Gx &&
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test_commit H H.t H Hx &&
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git checkout branch
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'
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test_expect_success 'Prune empty commits' '
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git rev-list HEAD > expect &&
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test_commit to_remove &&
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git filter-branch -f --index-filter "git update-index --remove to_remove.t" --prune-empty HEAD &&
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git rev-list HEAD > actual &&
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test_cmp expect actual
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'
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test_expect_success 'prune empty collapsed merges' '
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test_config merge.ff false &&
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git rev-list HEAD >expect &&
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test_commit to_remove_2 &&
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git reset --hard HEAD^ &&
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test_merge non-ff to_remove_2 &&
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git filter-branch -f --index-filter "git update-index --remove to_remove_2.t" --prune-empty HEAD &&
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git rev-list HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success 'prune empty works even without index/tree filters' '
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git rev-list HEAD >expect &&
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git commit --allow-empty -m empty &&
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git filter-branch -f --prune-empty HEAD &&
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git rev-list HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success '--prune-empty is able to prune root commit' '
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git rev-list branch-no-a >expect &&
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git branch testing H &&
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git filter-branch -f --prune-empty --index-filter "git update-index --remove A.t" testing &&
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git rev-list testing >actual &&
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git branch -D testing &&
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test_cmp expect actual
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'
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test_expect_success '--prune-empty is able to prune entire branch' '
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git branch prune-entire B &&
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git filter-branch -f --prune-empty --index-filter "git update-index --remove A.t B.t" prune-entire &&
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test_must_fail git rev-parse refs/heads/prune-entire &&
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if test_have_prereq REFFILES
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then
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test_must_fail git reflog exists refs/heads/prune-entire
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fi
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'
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test_expect_success '--remap-to-ancestor with filename filters' '
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git checkout main &&
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git reset --hard A &&
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test_commit add-foo foo 1 &&
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git branch moved-foo &&
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test_commit add-bar bar a &&
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git branch invariant &&
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orig_invariant=$(git rev-parse invariant) &&
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git branch moved-bar &&
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test_commit change-foo foo 2 &&
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git filter-branch -f --remap-to-ancestor \
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moved-foo moved-bar A..main \
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-- -- foo &&
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test $(git rev-parse moved-foo) = $(git rev-parse moved-bar) &&
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test $(git rev-parse moved-foo) = $(git rev-parse main^) &&
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test $orig_invariant = $(git rev-parse invariant)
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'
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test_expect_success 'automatic remapping to ancestor with filename filters' '
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git checkout main &&
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git reset --hard A &&
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test_commit add-foo2 foo 1 &&
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git branch moved-foo2 &&
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test_commit add-bar2 bar a &&
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git branch invariant2 &&
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orig_invariant=$(git rev-parse invariant2) &&
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git branch moved-bar2 &&
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test_commit change-foo2 foo 2 &&
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git filter-branch -f \
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moved-foo2 moved-bar2 A..main \
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-- -- foo &&
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test $(git rev-parse moved-foo2) = $(git rev-parse moved-bar2) &&
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test $(git rev-parse moved-foo2) = $(git rev-parse main^) &&
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test $orig_invariant = $(git rev-parse invariant2)
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'
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test_expect_success 'setup submodule' '
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rm -fr ?* .git &&
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git init &&
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test_commit file &&
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mkdir submod &&
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submodurl="$PWD/submod" &&
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( cd submod &&
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git init &&
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test_commit file-in-submod ) &&
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git submodule add "$submodurl" &&
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git commit -m "added submodule" &&
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test_commit add-file &&
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( cd submod && test_commit add-in-submodule ) &&
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git add submod &&
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git commit -m "changed submodule" &&
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git branch original HEAD
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'
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orig_head=$(git show-ref --hash --head HEAD)
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test_expect_success 'rewrite submodule with another content' '
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git filter-branch --tree-filter "test -d submod && {
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rm -rf submod &&
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git rm -rf --quiet submod &&
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mkdir submod &&
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: > submod/file
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} || :" HEAD &&
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test $orig_head != $(git show-ref --hash --head HEAD)
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'
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test_expect_success 'replace submodule revision' '
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invalid=$(test_oid numeric) &&
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git reset --hard original &&
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git filter-branch -f --tree-filter \
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"if git ls-files --error-unmatch -- submod > /dev/null 2>&1
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then git update-index --cacheinfo 160000 $invalid submod
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fi" HEAD &&
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test $orig_head != $(git show-ref --hash --head HEAD)
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'
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test_expect_success 'filter commit message without trailing newline' '
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git reset --hard original &&
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commit=$(printf "no newline" | git commit-tree HEAD^{tree}) &&
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git update-ref refs/heads/no-newline $commit &&
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git filter-branch -f refs/heads/no-newline &&
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echo $commit >expect &&
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git rev-parse refs/heads/no-newline >actual &&
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test_cmp expect actual
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'
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test_expect_success 'tree-filter deals with object name vs pathname ambiguity' '
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test_when_finished "git reset --hard original" &&
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ambiguous=$(git rev-list -1 HEAD) &&
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git filter-branch --tree-filter "mv file.t $ambiguous" HEAD^.. &&
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git show HEAD:$ambiguous
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'
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|
|
|
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_expect_success 'filter-branch handles ref deletion' '
|
|
git switch --orphan empty-commit &&
|
|
git commit --allow-empty -m "empty commit" &&
|
|
git tag empty &&
|
|
git branch to-delete &&
|
|
git filter-branch -f --prune-empty to-delete >out 2>&1 &&
|
|
grep "to-delete.*was deleted" out &&
|
|
test_must_fail git rev-parse --verify to-delete
|
|
'
|
|
|
|
test_expect_success 'filter-branch handles ref rewrite' '
|
|
git checkout empty &&
|
|
test_commit to-drop &&
|
|
git branch rewrite &&
|
|
git filter-branch -f \
|
|
--index-filter "git rm --ignore-unmatch --cached to-drop.t" \
|
|
rewrite >out 2>&1 &&
|
|
grep "rewrite.*was rewritten" out &&
|
|
! grep -i warning out &&
|
|
git diff-tree empty rewrite
|
|
'
|
|
|
|
test_expect_success 'filter-branch handles ancestor rewrite' '
|
|
test_commit to-exclude &&
|
|
git branch ancestor &&
|
|
git filter-branch -f ancestor -- :^to-exclude.t >out 2>&1 &&
|
|
grep "ancestor.*was rewritten" out &&
|
|
! grep -i warning out &&
|
|
git diff-tree HEAD^ ancestor
|
|
'
|
|
|
|
test_done
|