mirror of
https://github.com/git/git.git
synced 2024-12-02 22:43:44 +08:00
300 lines
8.4 KiB
Bash
Executable File
300 lines
8.4 KiB
Bash
Executable File
#!/bin/sh
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test_description='fetch/clone from a shallow clone'
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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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commit() {
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echo "$1" >tracked &&
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git add tracked &&
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git commit -m "$1"
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}
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test_expect_success 'setup' '
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commit 1 &&
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commit 2 &&
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commit 3 &&
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commit 4 &&
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git config --global transfer.fsckObjects true &&
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test_oid_cache <<-\EOF
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perl sha1:s/0034shallow %s/0036unshallow %s/
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perl sha256:s/004cshallow %s/004eunshallow %s/
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EOF
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'
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test_expect_success 'setup shallow clone' '
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git clone --no-local --depth=2 .git shallow &&
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git --git-dir=shallow/.git log --format=%s >actual &&
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test_write_lines 4 3 >expect &&
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test_cmp expect actual
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'
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test_expect_success 'clone from shallow clone' '
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git clone --no-local shallow shallow2 &&
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(
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cd shallow2 &&
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git fsck &&
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git log --format=%s >actual &&
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test_write_lines 4 3 >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'fetch from shallow clone' '
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(
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cd shallow &&
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commit 5
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) &&
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(
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cd shallow2 &&
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git fetch &&
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git fsck &&
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git log --format=%s origin/main >actual &&
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test_write_lines 5 4 3 >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'fetch --depth from shallow clone' '
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(
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cd shallow &&
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commit 6
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) &&
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(
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cd shallow2 &&
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git fetch --depth=2 &&
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git fsck &&
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git log --format=%s origin/main >actual &&
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test_write_lines 6 5 >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'fetch --unshallow from shallow clone' '
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(
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cd shallow2 &&
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git fetch --unshallow &&
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git fsck &&
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git log --format=%s origin/main >actual &&
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test_write_lines 6 5 4 3 >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'fetch --unshallow from a full clone' '
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git clone --no-local --depth=2 .git shallow3 &&
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(
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cd shallow3 &&
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git log --format=%s >actual &&
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test_write_lines 4 3 >expect &&
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test_cmp expect actual &&
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git -c fetch.writeCommitGraph fetch --unshallow &&
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git log origin/main --format=%s >actual &&
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test_write_lines 4 3 2 1 >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'fetch something upstream has but hidden by clients shallow boundaries' '
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# the blob "1" is available in .git but hidden by the
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# shallow2/.git/shallow and it should be resent
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! git --git-dir=shallow2/.git cat-file blob $(echo 1|git hash-object --stdin) >/dev/null &&
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echo 1 >1.t &&
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git add 1.t &&
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git commit -m add-1-back &&
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(
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cd shallow2 &&
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git fetch ../.git +refs/heads/main:refs/remotes/top/main &&
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git fsck &&
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git log --format=%s top/main >actual &&
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test_write_lines add-1-back 4 3 >expect &&
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test_cmp expect actual
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) &&
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git --git-dir=shallow2/.git cat-file blob $(echo 1|git hash-object --stdin) >/dev/null
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'
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test_expect_success 'fetch that requires changes in .git/shallow is filtered' '
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(
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cd shallow &&
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git checkout --orphan no-shallow &&
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commit no-shallow
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) &&
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git init notshallow &&
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(
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cd notshallow &&
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git fetch ../shallow/.git refs/heads/*:refs/remotes/shallow/* &&
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git for-each-ref --format="%(refname)" >actual.refs &&
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echo refs/remotes/shallow/no-shallow >expect.refs &&
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test_cmp expect.refs actual.refs &&
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git log --format=%s shallow/no-shallow >actual &&
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echo no-shallow >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'fetch --update-shallow' '
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(
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cd shallow &&
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git checkout main &&
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commit 7 &&
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git tag -m foo heavy-tag HEAD^ &&
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git tag light-tag HEAD^:tracked
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) &&
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(
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cd notshallow &&
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git fetch --update-shallow ../shallow/.git refs/heads/*:refs/remotes/shallow/* &&
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git fsck &&
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git for-each-ref --sort=refname --format="%(refname)" >actual.refs &&
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cat <<-\EOF >expect.refs &&
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refs/remotes/shallow/main
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refs/remotes/shallow/no-shallow
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refs/tags/heavy-tag
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refs/tags/light-tag
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EOF
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test_cmp expect.refs actual.refs &&
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git log --format=%s shallow/main >actual &&
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test_write_lines 7 6 5 4 3 >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'fetch --update-shallow into a repo with submodules' '
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test_config_global protocol.file.allow always &&
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git init a-submodule &&
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test_commit -C a-submodule foo &&
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test_when_finished "rm -rf repo-with-sub" &&
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git init repo-with-sub &&
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git -C repo-with-sub submodule add ../a-submodule a-submodule &&
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git -C repo-with-sub commit -m "added submodule" &&
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git -C repo-with-sub fetch --update-shallow ../shallow/.git refs/heads/*:refs/remotes/shallow/*
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'
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test_expect_success 'fetch --update-shallow a commit that is also a shallow point into a repo with submodules' '
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test_when_finished "rm -rf repo-with-sub" &&
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git init repo-with-sub &&
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git -c protocol.file.allow=always -C repo-with-sub \
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submodule add ../a-submodule a-submodule &&
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git -C repo-with-sub commit -m "added submodule" &&
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SHALLOW=$(cat shallow/.git/shallow) &&
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git -C repo-with-sub fetch --update-shallow ../shallow/.git "$SHALLOW":refs/heads/a-shallow
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'
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test_expect_success 'fetch --update-shallow (with fetch.writeCommitGraph)' '
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(
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cd shallow &&
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git checkout main &&
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commit 8 &&
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git tag -m foo heavy-tag-for-graph HEAD^ &&
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git tag light-tag-for-graph HEAD^:tracked
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) &&
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test_config -C notshallow fetch.writeCommitGraph true &&
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(
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cd notshallow &&
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git fetch --update-shallow ../shallow/.git refs/heads/*:refs/remotes/shallow/* &&
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git fsck &&
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git for-each-ref --sort=refname --format="%(refname)" >actual.refs &&
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cat <<-EOF >expect.refs &&
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refs/remotes/shallow/main
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refs/remotes/shallow/no-shallow
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refs/tags/heavy-tag
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refs/tags/heavy-tag-for-graph
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refs/tags/light-tag
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refs/tags/light-tag-for-graph
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EOF
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test_cmp expect.refs actual.refs &&
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git log --format=%s shallow/main >actual &&
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test_write_lines 8 7 6 5 4 3 >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success POSIXPERM,SANITY 'shallow fetch from a read-only repo' '
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cp -R .git read-only.git &&
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test_when_finished "find read-only.git -type d -print | xargs chmod +w" &&
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find read-only.git -print | xargs chmod -w &&
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git clone --no-local --depth=2 read-only.git from-read-only &&
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git --git-dir=from-read-only/.git log --format=%s >actual &&
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test_write_lines add-1-back 4 >expect &&
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test_cmp expect actual
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'
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test_expect_success '.git/shallow is edited by repack' '
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git init shallow-server &&
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test_commit -C shallow-server A &&
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test_commit -C shallow-server B &&
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git -C shallow-server checkout -b branch &&
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test_commit -C shallow-server C &&
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test_commit -C shallow-server E &&
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test_commit -C shallow-server D &&
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d="$(git -C shallow-server rev-parse --verify D^0)" &&
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git -C shallow-server checkout main &&
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git clone --depth=1 --no-tags --no-single-branch \
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"file://$PWD/shallow-server" shallow-client &&
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: now remove the branch and fetch with prune &&
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git -C shallow-server branch -D branch &&
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git -C shallow-client fetch --prune --depth=1 \
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origin "+refs/heads/*:refs/remotes/origin/*" &&
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git -C shallow-client repack -adfl &&
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test_must_fail git -C shallow-client rev-parse --verify $d^0 &&
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! grep $d shallow-client/.git/shallow &&
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git -C shallow-server branch branch-orig $d &&
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git -C shallow-client fetch --prune --depth=2 \
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origin "+refs/heads/*:refs/remotes/origin/*"
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'
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. "$TEST_DIRECTORY"/lib-httpd.sh
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start_httpd
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REPO="$HTTPD_DOCUMENT_ROOT_PATH/repo"
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test_expect_success 'shallow fetches check connectivity before writing shallow file' '
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rm -rf "$REPO" client &&
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git init "$REPO" &&
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test_commit -C "$REPO" one &&
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test_commit -C "$REPO" two &&
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test_commit -C "$REPO" three &&
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git init client &&
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# Use protocol v2 to ensure that shallow information is sent exactly
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# once by the server, since we are planning to manipulate it.
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git -C "$REPO" config protocol.version 2 &&
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git -C client config protocol.version 2 &&
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git -C client fetch --depth=2 "$HTTPD_URL/one_time_perl/repo" main:a_branch &&
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# Craft a situation in which the server sends back an unshallow request
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# with an empty packfile. This is done by refetching with a shorter
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# depth (to ensure that the packfile is empty), and overwriting the
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# shallow line in the response with the unshallow line we want.
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printf "$(test_oid perl)" \
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"$(git -C "$REPO" rev-parse HEAD)" \
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"$(git -C "$REPO" rev-parse HEAD^)" \
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>"$HTTPD_ROOT_PATH/one-time-perl" &&
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test_must_fail env GIT_TEST_SIDEBAND_ALL=0 git -C client \
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fetch --depth=1 "$HTTPD_URL/one_time_perl/repo" \
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main:a_branch &&
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# Ensure that the one-time-perl script was used.
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! test -e "$HTTPD_ROOT_PATH/one-time-perl" &&
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# Ensure that the resulting repo is consistent, despite our failure to
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# fetch.
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git -C client fsck
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'
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# DO NOT add non-httpd-specific tests here, because the last part of this
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# test script is only executed when httpd is available and enabled.
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test_done
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