| #!/bin/sh |
| |
| test_description='fetch/clone from a shallow clone' |
| |
| GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main |
| export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME |
| |
| . ./test-lib.sh |
| |
| commit() { |
| echo "$1" >tracked && |
| git add tracked && |
| git commit -m "$1" |
| } |
| |
| test_expect_success 'setup' ' |
| commit 1 && |
| commit 2 && |
| commit 3 && |
| commit 4 && |
| git config --global transfer.fsckObjects true && |
| test_oid_cache <<-\EOF |
| perl sha1:s/0034shallow %s/0036unshallow %s/ |
| perl sha256:s/004cshallow %s/004eunshallow %s/ |
| EOF |
| ' |
| |
| test_expect_success 'setup shallow clone' ' |
| git clone --no-local --depth=2 .git shallow && |
| git --git-dir=shallow/.git log --format=%s >actual && |
| test_write_lines 4 3 >expect && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success 'clone from shallow clone' ' |
| git clone --no-local shallow shallow2 && |
| ( |
| cd shallow2 && |
| git fsck && |
| git log --format=%s >actual && |
| test_write_lines 4 3 >expect && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'fetch from shallow clone' ' |
| ( |
| cd shallow && |
| commit 5 |
| ) && |
| ( |
| cd shallow2 && |
| git fetch && |
| git fsck && |
| git log --format=%s origin/main >actual && |
| test_write_lines 5 4 3 >expect && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'fetch --depth from shallow clone' ' |
| ( |
| cd shallow && |
| commit 6 |
| ) && |
| ( |
| cd shallow2 && |
| git fetch --depth=2 && |
| git fsck && |
| git log --format=%s origin/main >actual && |
| test_write_lines 6 5 >expect && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'fetch --unshallow from shallow clone' ' |
| ( |
| cd shallow2 && |
| git fetch --unshallow && |
| git fsck && |
| git log --format=%s origin/main >actual && |
| test_write_lines 6 5 4 3 >expect && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'fetch --unshallow from a full clone' ' |
| git clone --no-local --depth=2 .git shallow3 && |
| ( |
| cd shallow3 && |
| git log --format=%s >actual && |
| test_write_lines 4 3 >expect && |
| test_cmp expect actual && |
| git -c fetch.writeCommitGraph fetch --unshallow && |
| git log origin/main --format=%s >actual && |
| test_write_lines 4 3 2 1 >expect && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'fetch something upstream has but hidden by clients shallow boundaries' ' |
| # the blob "1" is available in .git but hidden by the |
| # shallow2/.git/shallow and it should be resent |
| ! git --git-dir=shallow2/.git cat-file blob $(echo 1|git hash-object --stdin) >/dev/null && |
| echo 1 >1.t && |
| git add 1.t && |
| git commit -m add-1-back && |
| ( |
| cd shallow2 && |
| git fetch ../.git +refs/heads/main:refs/remotes/top/main && |
| git fsck && |
| git log --format=%s top/main >actual && |
| test_write_lines add-1-back 4 3 >expect && |
| test_cmp expect actual |
| ) && |
| git --git-dir=shallow2/.git cat-file blob $(echo 1|git hash-object --stdin) >/dev/null |
| ' |
| |
| test_expect_success 'fetch that requires changes in .git/shallow is filtered' ' |
| ( |
| cd shallow && |
| git checkout --orphan no-shallow && |
| commit no-shallow |
| ) && |
| git init notshallow && |
| ( |
| cd notshallow && |
| git fetch ../shallow/.git refs/heads/*:refs/remotes/shallow/* && |
| git for-each-ref --format="%(refname)" >actual.refs && |
| echo refs/remotes/shallow/no-shallow >expect.refs && |
| test_cmp expect.refs actual.refs && |
| git log --format=%s shallow/no-shallow >actual && |
| echo no-shallow >expect && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'fetch --update-shallow' ' |
| ( |
| cd shallow && |
| git checkout main && |
| commit 7 && |
| git tag -m foo heavy-tag HEAD^ && |
| git tag light-tag HEAD^:tracked |
| ) && |
| ( |
| cd notshallow && |
| git fetch --update-shallow ../shallow/.git refs/heads/*:refs/remotes/shallow/* && |
| git fsck && |
| git for-each-ref --sort=refname --format="%(refname)" >actual.refs && |
| cat <<-\EOF >expect.refs && |
| refs/remotes/shallow/main |
| refs/remotes/shallow/no-shallow |
| refs/tags/heavy-tag |
| refs/tags/light-tag |
| EOF |
| test_cmp expect.refs actual.refs && |
| git log --format=%s shallow/main >actual && |
| test_write_lines 7 6 5 4 3 >expect && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'fetch --update-shallow into a repo with submodules' ' |
| git init a-submodule && |
| test_commit -C a-submodule foo && |
| git init repo-with-sub && |
| git -C repo-with-sub submodule add ../a-submodule a-submodule && |
| git -C repo-with-sub commit -m "added submodule" && |
| git -C repo-with-sub fetch --update-shallow ../shallow/.git refs/heads/*:refs/remotes/shallow/* |
| ' |
| |
| test_expect_success 'fetch --update-shallow (with fetch.writeCommitGraph)' ' |
| ( |
| cd shallow && |
| git checkout main && |
| commit 8 && |
| git tag -m foo heavy-tag-for-graph HEAD^ && |
| git tag light-tag-for-graph HEAD^:tracked |
| ) && |
| test_config -C notshallow fetch.writeCommitGraph true && |
| ( |
| cd notshallow && |
| git fetch --update-shallow ../shallow/.git refs/heads/*:refs/remotes/shallow/* && |
| git fsck && |
| git for-each-ref --sort=refname --format="%(refname)" >actual.refs && |
| cat <<-EOF >expect.refs && |
| refs/remotes/shallow/main |
| refs/remotes/shallow/no-shallow |
| refs/tags/heavy-tag |
| refs/tags/heavy-tag-for-graph |
| refs/tags/light-tag |
| refs/tags/light-tag-for-graph |
| EOF |
| test_cmp expect.refs actual.refs && |
| git log --format=%s shallow/main >actual && |
| test_write_lines 8 7 6 5 4 3 >expect && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success POSIXPERM,SANITY 'shallow fetch from a read-only repo' ' |
| cp -R .git read-only.git && |
| test_when_finished "find read-only.git -type d -print | xargs chmod +w" && |
| find read-only.git -print | xargs chmod -w && |
| git clone --no-local --depth=2 read-only.git from-read-only && |
| git --git-dir=from-read-only/.git log --format=%s >actual && |
| test_write_lines add-1-back 4 >expect && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success '.git/shallow is edited by repack' ' |
| git init shallow-server && |
| test_commit -C shallow-server A && |
| test_commit -C shallow-server B && |
| git -C shallow-server checkout -b branch && |
| test_commit -C shallow-server C && |
| test_commit -C shallow-server E && |
| test_commit -C shallow-server D && |
| d="$(git -C shallow-server rev-parse --verify D^0)" && |
| git -C shallow-server checkout main && |
| |
| git clone --depth=1 --no-tags --no-single-branch \ |
| "file://$PWD/shallow-server" shallow-client && |
| |
| : now remove the branch and fetch with prune && |
| git -C shallow-server branch -D branch && |
| git -C shallow-client fetch --prune --depth=1 \ |
| origin "+refs/heads/*:refs/remotes/origin/*" && |
| git -C shallow-client repack -adfl && |
| test_must_fail git -C shallow-client rev-parse --verify $d^0 && |
| ! grep $d shallow-client/.git/shallow && |
| |
| git -C shallow-server branch branch-orig $d && |
| git -C shallow-client fetch --prune --depth=2 \ |
| origin "+refs/heads/*:refs/remotes/origin/*" |
| ' |
| |
| . "$TEST_DIRECTORY"/lib-httpd.sh |
| start_httpd |
| |
| REPO="$HTTPD_DOCUMENT_ROOT_PATH/repo" |
| |
| test_expect_success 'shallow fetches check connectivity before writing shallow file' ' |
| rm -rf "$REPO" client && |
| |
| git init "$REPO" && |
| test_commit -C "$REPO" one && |
| test_commit -C "$REPO" two && |
| test_commit -C "$REPO" three && |
| |
| git init client && |
| |
| # Use protocol v2 to ensure that shallow information is sent exactly |
| # once by the server, since we are planning to manipulate it. |
| git -C "$REPO" config protocol.version 2 && |
| git -C client config protocol.version 2 && |
| |
| git -C client fetch --depth=2 "$HTTPD_URL/one_time_perl/repo" main:a_branch && |
| |
| # Craft a situation in which the server sends back an unshallow request |
| # with an empty packfile. This is done by refetching with a shorter |
| # depth (to ensure that the packfile is empty), and overwriting the |
| # shallow line in the response with the unshallow line we want. |
| printf "$(test_oid perl)" \ |
| "$(git -C "$REPO" rev-parse HEAD)" \ |
| "$(git -C "$REPO" rev-parse HEAD^)" \ |
| >"$HTTPD_ROOT_PATH/one-time-perl" && |
| test_must_fail env GIT_TEST_SIDEBAND_ALL=0 git -C client \ |
| fetch --depth=1 "$HTTPD_URL/one_time_perl/repo" \ |
| main:a_branch && |
| |
| # Ensure that the one-time-perl script was used. |
| ! test -e "$HTTPD_ROOT_PATH/one-time-perl" && |
| |
| # Ensure that the resulting repo is consistent, despite our failure to |
| # fetch. |
| git -C client fsck |
| ' |
| |
| # DO NOT add non-httpd-specific tests here, because the last part of this |
| # test script is only executed when httpd is available and enabled. |
| |
| test_done |