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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/t5604-clone-reference.sh | |
parent | Initial commit. (diff) | |
download | git-17a789943131483bc454986d1be6da6caaabce8c.tar.xz git-17a789943131483bc454986d1be6da6caaabce8c.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/t5604-clone-reference.sh')
-rwxr-xr-x | t/t5604-clone-reference.sh | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/t/t5604-clone-reference.sh b/t/t5604-clone-reference.sh new file mode 100755 index 0000000..7ccebb4 --- /dev/null +++ b/t/t5604-clone-reference.sh @@ -0,0 +1,363 @@ +#!/bin/sh +# +# Copyright (C) 2006 Martin Waitz <tali@admingilde.org> +# + +test_description='test clone --reference' +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +base_dir=$(pwd) + +U=$base_dir/UPLOAD_LOG + +# create a commit in repo $1 with name $2 +commit_in () { + ( + cd "$1" && + echo "$2" >"$2" && + git add "$2" && + git commit -m "$2" + ) +} + +# check that there are $2 loose objects in repo $1 +test_objcount () { + echo "$2" >expect && + git -C "$1" count-objects >actual.raw && + cut -d' ' -f1 <actual.raw >actual && + test_cmp expect actual +} + +test_expect_success 'preparing first repository' ' + test_create_repo A && + commit_in A file1 +' + +test_expect_success 'preparing second repository' ' + git clone A B && + commit_in B file2 && + git -C B repack -ad && + git -C B prune +' + +test_expect_success 'cloning with reference (-l -s)' ' + git clone -l -s --reference B A C +' + +test_expect_success 'existence of info/alternates' ' + test_line_count = 2 C/.git/objects/info/alternates +' + +test_expect_success 'pulling from reference' ' + git -C C pull ../B main +' + +test_expect_success 'that reference gets used' ' + test_objcount C 0 +' + +test_expect_success 'cloning with reference (no -l -s)' ' + GIT_TRACE_PACKET=$U.D git clone --reference B "file://$(pwd)/A" D +' + +test_expect_success 'fetched no objects' ' + test -s "$U.D" && + ! grep " want" "$U.D" +' + +test_expect_success 'existence of info/alternates' ' + test_line_count = 1 D/.git/objects/info/alternates +' + +test_expect_success 'pulling from reference' ' + git -C D pull ../B main +' + +test_expect_success 'that reference gets used' ' + test_objcount D 0 +' + +test_expect_success 'updating origin' ' + commit_in A file3 && + git -C A repack -ad && + git -C A prune +' + +test_expect_success 'pulling changes from origin' ' + git -C C pull --no-rebase origin +' + +# the 2 local objects are commit and tree from the merge +test_expect_success 'that alternate to origin gets used' ' + test_objcount C 2 +' + +test_expect_success 'pulling changes from origin' ' + git -C D pull --no-rebase origin +' + +# the 5 local objects are expected; file3 blob, commit in A to add it +# and its tree, and 2 are our tree and the merge commit. +test_expect_success 'check objects expected to exist locally' ' + test_objcount D 5 +' + +test_expect_success 'preparing alternate repository #1' ' + test_create_repo F && + commit_in F file1 +' + +test_expect_success 'cloning alternate repo #2 and adding changes to repo #1' ' + git clone F G && + commit_in F file2 +' + +test_expect_success 'cloning alternate repo #1, using #2 as reference' ' + git clone --reference G F H +' + +test_expect_success 'cloning with reference being subset of source (-l -s)' ' + git clone -l -s --reference A B E +' + +test_expect_success 'cloning with multiple references drops duplicates' ' + git clone -s --reference B --reference A --reference B A dups && + test_line_count = 2 dups/.git/objects/info/alternates +' + +test_expect_success 'clone with reference from a tagged repository' ' + ( + cd A && git tag -a -m tagged HEAD + ) && + git clone --reference=A A I +' + +test_expect_success 'prepare branched repository' ' + git clone A J && + ( + cd J && + git checkout -b other main^ && + echo other >otherfile && + git add otherfile && + git commit -m other && + git checkout main + ) +' + +test_expect_success 'fetch with incomplete alternates' ' + git init K && + echo "$base_dir/A/.git/objects" >K/.git/objects/info/alternates && + ( + cd K && + git remote add J "file://$base_dir/J" && + GIT_TRACE_PACKET=$U.K git fetch J + ) && + main_object=$(cd A && git for-each-ref --format="%(objectname)" refs/heads/main) && + test -s "$U.K" && + ! grep " want $main_object" "$U.K" && + tag_object=$(cd A && git for-each-ref --format="%(objectname)" refs/tags/HEAD) && + ! grep " want $tag_object" "$U.K" +' + +test_expect_success 'clone using repo with gitfile as a reference' ' + git clone --separate-git-dir=L A M && + git clone --reference=M A N && + echo "$base_dir/L/objects" >expected && + test_cmp expected "$base_dir/N/.git/objects/info/alternates" +' + +test_expect_success 'clone using repo pointed at by gitfile as reference' ' + git clone --reference=M/.git A O && + echo "$base_dir/L/objects" >expected && + test_cmp expected "$base_dir/O/.git/objects/info/alternates" +' + +test_expect_success 'clone and dissociate from reference' ' + git init P && + ( + cd P && test_commit one + ) && + git clone P Q && + ( + cd Q && test_commit two + ) && + git clone --no-local --reference=P Q R && + git clone --no-local --reference=P --dissociate Q S && + # removing the reference P would corrupt R but not S + rm -fr P && + test_must_fail git -C R fsck && + git -C S fsck +' +test_expect_success 'clone, dissociate from partial reference and repack' ' + rm -fr P Q R && + git init P && + ( + cd P && + test_commit one && + git repack && + test_commit two && + git repack + ) && + git clone --bare P Q && + ( + cd P && + git checkout -b second && + test_commit three && + git repack + ) && + git clone --bare --dissociate --reference=P Q R && + ls R/objects/pack/*.pack >packs.txt && + test_line_count = 1 packs.txt +' + +test_expect_success 'clone, dissociate from alternates' ' + rm -fr A B C && + test_create_repo A && + commit_in A file1 && + git clone --reference=A A B && + test_line_count = 1 B/.git/objects/info/alternates && + git clone --local --dissociate B C && + ! test -f C/.git/objects/info/alternates && + ( cd C && git fsck ) +' + +test_expect_success 'setup repo with garbage in objects/*' ' + git init S && + ( + cd S && + test_commit A && + + cd .git/objects && + >.some-hidden-file && + >some-file && + mkdir .some-hidden-dir && + >.some-hidden-dir/some-file && + >.some-hidden-dir/.some-dot-file && + mkdir some-dir && + >some-dir/some-file && + >some-dir/.some-dot-file + ) +' + +test_expect_success 'clone a repo with garbage in objects/*' ' + for option in --local --no-hardlinks --shared --dissociate + do + git clone $option S S$option || return 1 && + git -C S$option fsck || return 1 + done && + find S-* -name "*some*" | sort >actual && + cat >expected <<-EOF && + S--dissociate/.git/objects/.some-hidden-dir + S--dissociate/.git/objects/.some-hidden-dir/.some-dot-file + S--dissociate/.git/objects/.some-hidden-dir/some-file + S--dissociate/.git/objects/.some-hidden-file + S--dissociate/.git/objects/some-dir + S--dissociate/.git/objects/some-dir/.some-dot-file + S--dissociate/.git/objects/some-dir/some-file + S--dissociate/.git/objects/some-file + S--local/.git/objects/.some-hidden-dir + S--local/.git/objects/.some-hidden-dir/.some-dot-file + S--local/.git/objects/.some-hidden-dir/some-file + S--local/.git/objects/.some-hidden-file + S--local/.git/objects/some-dir + S--local/.git/objects/some-dir/.some-dot-file + S--local/.git/objects/some-dir/some-file + S--local/.git/objects/some-file + S--no-hardlinks/.git/objects/.some-hidden-dir + S--no-hardlinks/.git/objects/.some-hidden-dir/.some-dot-file + S--no-hardlinks/.git/objects/.some-hidden-dir/some-file + S--no-hardlinks/.git/objects/.some-hidden-file + S--no-hardlinks/.git/objects/some-dir + S--no-hardlinks/.git/objects/some-dir/.some-dot-file + S--no-hardlinks/.git/objects/some-dir/some-file + S--no-hardlinks/.git/objects/some-file + EOF + test_cmp expected actual +' + +test_expect_success SYMLINKS 'setup repo with manually symlinked or unknown files at objects/' ' + git init T && + ( + cd T && + git config gc.auto 0 && + test_commit A && + git gc && + test_commit B && + + cd .git/objects && + mv pack packs && + ln -s packs pack && + find ?? -type d >loose-dirs && + last_loose=$(tail -n 1 loose-dirs) && + mv $last_loose a-loose-dir && + ln -s a-loose-dir $last_loose && + first_loose=$(head -n 1 loose-dirs) && + rm -f loose-dirs && + + cd $first_loose && + obj=$(ls *) && + mv $obj ../an-object && + ln -s ../an-object $obj && + + cd ../ && + echo unknown_content >unknown_file + ) && + git -C T fsck && + git -C T rev-list --all --objects >T.objects +' + + +test_expect_success SYMLINKS 'clone repo with symlinked or unknown files at objects/' ' + # None of these options work when cloning locally, since T has + # symlinks in its `$GIT_DIR/objects` directory + for option in --local --no-hardlinks --dissociate + do + test_must_fail git clone $option T T$option 2>err || return 1 && + test_i18ngrep "symlink.*exists" err || return 1 + done && + + # But `--shared` clones should still work, even when specifying + # a local path *and* that repository has symlinks present in its + # `$GIT_DIR/objects` directory. + git clone --shared T T--shared && + git -C T--shared fsck && + git -C T--shared rev-list --all --objects >T--shared.objects && + test_cmp T.objects T--shared.objects && + ( + cd T--shared/.git/objects && + find . -type f | sort >../../../T--shared.objects-files.raw && + find . -type l | sort >../../../T--shared.objects-symlinks.raw + ) && + + for raw in $(ls T*.raw) + do + sed -e "s!/../!/Y/!; s![0-9a-f]\{38,\}!Z!" -e "/commit-graph/d" \ + -e "/multi-pack-index/d" -e "/rev/d" <$raw >$raw.de-sha-1 && + sort $raw.de-sha-1 >$raw.de-sha || return 1 + done && + + echo ./info/alternates >expected-files && + test_cmp expected-files T--shared.objects-files.raw && + test_must_be_empty T--shared.objects-symlinks.raw +' + +test_expect_success SYMLINKS 'clone repo with symlinked objects directory' ' + test_when_finished "rm -fr sensitive malicious" && + + mkdir -p sensitive && + echo "secret" >sensitive/file && + + git init malicious && + rm -fr malicious/.git/objects && + ln -s "$(pwd)/sensitive" ./malicious/.git/objects && + + test_must_fail git clone --local malicious clone 2>err && + + test_path_is_missing clone && + grep "failed to start iterator over" err +' + +test_done |