7b6853a826
The dumb HTTP protocol exposes ref storage details as part of the protocol, so it only works with the FILES refstorage backend Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
493 lines
17 KiB
Bash
Executable File
493 lines
17 KiB
Bash
Executable File
#!/bin/sh
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test_description='test dumb fetching over http via static file'
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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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if test_have_prereq !REFFILES
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then
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skip_all='skipping test; dumb HTTP protocol not supported with reftable.'
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test_done
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fi
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. "$TEST_DIRECTORY"/lib-httpd.sh
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start_httpd
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test_expect_success 'setup repository' '
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git config push.default matching &&
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echo content1 >file &&
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git add file &&
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git commit -m one &&
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echo content2 >file &&
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git add file &&
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git commit -m two
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'
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test_expect_success 'create http-accessible bare repository with loose objects' '
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cp -R .git "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
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git config core.bare true &&
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mkdir -p hooks &&
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write_script "hooks/post-update" <<-\EOF &&
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exec git update-server-info
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EOF
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hooks/post-update
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) &&
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git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
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git push public main:main
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'
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test_expect_success 'clone http repository' '
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git clone $HTTPD_URL/dumb/repo.git clone-tmpl &&
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cp -R clone-tmpl clone &&
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test_cmp file clone/file
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'
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test_expect_success 'list refs from outside any repository' '
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cat >expect <<-EOF &&
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$(git rev-parse main) HEAD
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$(git rev-parse main) refs/heads/main
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EOF
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nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual &&
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test_cmp expect actual
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'
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test_expect_success 'create password-protected repository' '
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mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" &&
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cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
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"$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
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'
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test_expect_success 'create empty remote repository' '
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git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
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mkdir -p hooks &&
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write_script "hooks/post-update" <<-\EOF &&
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exec git update-server-info
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EOF
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hooks/post-update
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)
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'
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test_expect_success 'empty dumb HTTP repository has default hash algorithm' '
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test_when_finished "rm -fr clone-empty" &&
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git clone $HTTPD_URL/dumb/empty.git clone-empty &&
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git -C clone-empty rev-parse --show-object-format >empty-format &&
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test "$(cat empty-format)" = "$(test_oid algo)"
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'
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setup_askpass_helper
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test_expect_success 'cloning password-protected repository can fail' '
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set_askpass wrong &&
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test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail &&
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expect_askpass both wrong
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'
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test_expect_success 'http auth can use user/pass in URL' '
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set_askpass wrong &&
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git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&
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expect_askpass none
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'
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test_expect_success 'http auth can use just user in URL' '
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set_askpass wrong pass@host &&
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git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass &&
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expect_askpass pass user@host
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'
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test_expect_success 'http auth can request both user and pass' '
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set_askpass user@host pass@host &&
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git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both &&
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expect_askpass both user@host
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'
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test_expect_success 'http auth respects credential helper config' '
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test_config_global credential.helper "!f() {
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cat >/dev/null
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echo username=user@host
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echo password=pass@host
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}; f" &&
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set_askpass wrong &&
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git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper &&
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expect_askpass none
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'
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test_expect_success 'http auth can get username from config' '
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test_config_global "credential.$HTTPD_URL.username" user@host &&
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set_askpass wrong pass@host &&
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git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-user &&
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expect_askpass pass user@host
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'
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test_expect_success 'configured username does not override URL' '
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test_config_global "credential.$HTTPD_URL.username" wrong &&
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set_askpass wrong pass@host &&
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git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-user2 &&
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expect_askpass pass user@host
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'
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test_expect_success 'set up repo with http submodules' '
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git init super &&
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set_askpass user@host pass@host &&
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(
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cd super &&
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git submodule add "$HTTPD_URL/auth/dumb/repo.git" sub &&
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git commit -m "add submodule"
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)
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'
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test_expect_success 'cmdline credential config passes to submodule via clone' '
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set_askpass wrong pass@host &&
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test_must_fail git clone --recursive super super-clone &&
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rm -rf super-clone &&
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set_askpass wrong pass@host &&
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git -c "credential.$HTTPD_URL.username=user@host" \
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clone --recursive super super-clone &&
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expect_askpass pass user@host
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'
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test_expect_success 'cmdline credential config passes submodule via fetch' '
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set_askpass wrong pass@host &&
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test_must_fail git -C super-clone fetch --recurse-submodules &&
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set_askpass wrong pass@host &&
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git -C super-clone \
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-c "credential.$HTTPD_URL.username=user@host" \
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fetch --recurse-submodules &&
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expect_askpass pass user@host
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'
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test_expect_success 'cmdline credential config passes submodule update' '
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# advance the submodule HEAD so that a fetch is required
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git commit --allow-empty -m foo &&
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git push "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" HEAD &&
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sha1=$(git rev-parse HEAD) &&
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git -C super-clone update-index --cacheinfo 160000,$sha1,sub &&
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set_askpass wrong pass@host &&
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test_must_fail git -C super-clone submodule update &&
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set_askpass wrong pass@host &&
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git -C super-clone \
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-c "credential.$HTTPD_URL.username=user@host" \
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submodule update &&
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expect_askpass pass user@host
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'
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test_expect_success 'fetch changes via http' '
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echo content >>file &&
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git commit -a -m two &&
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git push public &&
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(cd clone && git pull) &&
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test_cmp file clone/file
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'
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test_expect_success 'fetch changes via manual http-fetch' '
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cp -R clone-tmpl clone2 &&
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HEAD=$(git rev-parse --verify HEAD) &&
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(cd clone2 &&
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git http-fetch -a -w heads/main-new $HEAD $(git config remote.origin.url) &&
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git checkout main-new &&
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test $HEAD = $(git rev-parse --verify HEAD)) &&
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test_cmp file clone2/file
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'
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test_expect_success 'manual http-fetch without -a works just as well' '
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cp -R clone-tmpl clone3 &&
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HEAD=$(git rev-parse --verify HEAD) &&
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(cd clone3 &&
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git http-fetch -w heads/main-new $HEAD $(git config remote.origin.url) &&
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git checkout main-new &&
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test $HEAD = $(git rev-parse --verify HEAD)) &&
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test_cmp file clone3/file
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'
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test_expect_success 'http remote detects correct HEAD' '
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git push public main:other &&
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(cd clone &&
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git remote set-head origin -d &&
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git remote set-head origin -a &&
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git symbolic-ref refs/remotes/origin/HEAD > output &&
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echo refs/remotes/origin/main > expect &&
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test_cmp expect output
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)
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'
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test_expect_success 'fetch packed objects' '
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cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
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git --bare repack -a -d
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) &&
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git clone $HTTPD_URL/dumb/repo_pack.git
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'
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test_expect_success 'http-fetch --packfile' '
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# Arbitrary hash. Use rev-parse so that we get one of the correct
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# length.
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ARBITRARY=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
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git init packfileclient &&
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p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && ls objects/pack/pack-*.pack) &&
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git -C packfileclient http-fetch --packfile=$ARBITRARY \
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--index-pack-arg=index-pack --index-pack-arg=--stdin \
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--index-pack-arg=--keep \
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"$HTTPD_URL"/dumb/repo_pack.git/$p >out &&
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grep "^keep.[0-9a-f]\{16,\}$" out &&
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cut -c6- out >packhash &&
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# Ensure that the expected files are generated
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test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).pack" &&
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test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).idx" &&
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test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).keep" &&
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# Ensure that it has the HEAD of repo_pack, at least
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HASH=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
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git -C packfileclient cat-file -e "$HASH"
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'
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test_expect_success 'fetch notices corrupt pack' '
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cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
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p=$(ls objects/pack/pack-*.pack) &&
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chmod u+w $p &&
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printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
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) &&
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mkdir repo_bad1.git &&
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(cd repo_bad1.git &&
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git --bare init &&
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test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad1.git &&
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test 0 = $(ls objects/pack/pack-*.pack | wc -l)
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)
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'
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test_expect_success 'http-fetch --packfile with corrupt pack' '
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rm -rf packfileclient &&
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git init packfileclient &&
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p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && ls objects/pack/pack-*.pack) &&
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test_must_fail git -C packfileclient http-fetch --packfile \
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"$HTTPD_URL"/dumb/repo_bad1.git/$p
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'
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test_expect_success 'fetch notices corrupt idx' '
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cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
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p=$(ls objects/pack/pack-*.idx) &&
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chmod u+w $p &&
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printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
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) &&
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mkdir repo_bad2.git &&
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(cd repo_bad2.git &&
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git --bare init &&
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test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad2.git &&
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test 0 = $(ls objects/pack | wc -l)
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)
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'
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test_expect_success 'fetch can handle previously-fetched .idx files' '
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git checkout --orphan branch1 &&
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echo base >file &&
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git add file &&
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git commit -m base &&
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git --bare init "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git &&
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git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch1 &&
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git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
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git checkout -b branch2 branch1 &&
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echo b2 >>file &&
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git commit -a -m b2 &&
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git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch2 &&
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git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
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git --bare init clone_packed_branches.git &&
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git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch1:branch1 &&
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git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch2:branch2
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'
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test_expect_success 'did not use upload-pack service' '
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! grep "/git-upload-pack" "$HTTPD_ROOT_PATH/access.log"
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'
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test_expect_success 'git client shows text/plain errors' '
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test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr &&
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grep "this is the error message" stderr
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'
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test_expect_success 'git client does not show html errors' '
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test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr &&
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! grep "this is the error message" stderr
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'
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test_expect_success 'git client shows text/plain with a charset' '
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test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr &&
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grep "this is the error message" stderr
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'
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test_expect_success 'http error messages are reencoded' '
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test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr &&
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grep "this is the error message" stderr
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'
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test_expect_success 'reencoding is robust to whitespace oddities' '
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test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr &&
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grep "this is the error message" stderr
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'
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check_language () {
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case "$2" in
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'')
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>expect
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;;
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?*)
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echo "=> Send header: Accept-Language: $1" >expect
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;;
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esac &&
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GIT_TRACE_CURL=true \
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LANGUAGE=$2 \
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git ls-remote "$HTTPD_URL/dumb/repo.git" >output 2>&1 &&
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tr -d '\015' <output |
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sort -u |
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sed -ne '/^=> Send header: Accept-Language:/ p' >actual &&
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test_cmp expect actual
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}
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test_expect_success 'git client sends Accept-Language based on LANGUAGE' '
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check_language "ko-KR, *;q=0.9" ko_KR.UTF-8'
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test_expect_success 'git client sends Accept-Language correctly with unordinary LANGUAGE' '
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check_language "ko-KR, *;q=0.9" "ko_KR:" &&
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check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR::en_US" &&
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check_language "ko-KR, *;q=0.9" ":::ko_KR" &&
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check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR!!:en_US" &&
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check_language "ko-KR, ja-JP;q=0.9, *;q=0.8" "ko_KR en_US:ja_JP"'
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test_expect_success 'git client sends Accept-Language with many preferred languages' '
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check_language "ko-KR, en-US;q=0.9, fr-CA;q=0.8, de;q=0.7, sr;q=0.6, \
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ja;q=0.5, zh;q=0.4, sv;q=0.3, pt;q=0.2, *;q=0.1" \
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ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt &&
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check_language "ko-KR, en-US;q=0.99, fr-CA;q=0.98, de;q=0.97, sr;q=0.96, \
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ja;q=0.95, zh;q=0.94, sv;q=0.93, pt;q=0.92, nb;q=0.91, *;q=0.90" \
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ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt:nb
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'
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test_expect_success 'git client does not send an empty Accept-Language' '
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GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr &&
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! grep "^=> Send header: Accept-Language:" stderr
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'
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test_expect_success 'remote-http complains cleanly about malformed urls' '
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test_must_fail git remote-http http::/example.com/repo.git 2>stderr &&
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test_i18ngrep "url has no scheme" stderr
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'
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# NEEDSWORK: Writing commands to git-remote-curl can race against the latter
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# erroring out, producing SIGPIPE. Remove "ok=sigpipe" once transport-helper has
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# learned to handle early remote helper failures more cleanly.
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test_expect_success 'remote-http complains cleanly about empty scheme' '
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test_must_fail ok=sigpipe git ls-remote \
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http::${HTTPD_URL#http}/dumb/repo.git 2>stderr &&
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test_i18ngrep "url has no scheme" stderr
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'
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test_expect_success 'redirects can be forbidden/allowed' '
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test_must_fail git -c http.followRedirects=false \
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clone $HTTPD_URL/dumb-redir/repo.git dumb-redir &&
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git -c http.followRedirects=true \
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clone $HTTPD_URL/dumb-redir/repo.git dumb-redir 2>stderr
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'
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test_expect_success 'redirects are reported to stderr' '
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# just look for a snippet of the redirected-to URL
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test_i18ngrep /dumb/ stderr
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'
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test_expect_success 'non-initial redirects can be forbidden' '
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test_must_fail git -c http.followRedirects=initial \
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clone $HTTPD_URL/redir-objects/repo.git redir-objects &&
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git -c http.followRedirects=true \
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clone $HTTPD_URL/redir-objects/repo.git redir-objects
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'
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test_expect_success 'http.followRedirects defaults to "initial"' '
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test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default
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'
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# The goal is for a clone of the "evil" repository, which has no objects
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# itself, to cause the client to fetch objects from the "victim" repository.
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test_expect_success 'set up evil alternates scheme' '
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victim=$HTTPD_DOCUMENT_ROOT_PATH/victim.git &&
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git init --bare "$victim" &&
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git -C "$victim" --work-tree=. commit --allow-empty -m secret &&
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git -C "$victim" repack -ad &&
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git -C "$victim" update-server-info &&
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sha1=$(git -C "$victim" rev-parse HEAD) &&
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evil=$HTTPD_DOCUMENT_ROOT_PATH/evil.git &&
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git init --bare "$evil" &&
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# do this by hand to avoid object existence check
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printf "%s\\t%s\\n" $sha1 refs/heads/main >"$evil/info/refs"
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'
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# Here we'll just redirect via HTTP. In a real-world attack these would be on
|
|
# different servers, but we should reject it either way.
|
|
test_expect_success 'http-alternates is a non-initial redirect' '
|
|
echo "$HTTPD_URL/dumb/victim.git/objects" \
|
|
>"$evil/objects/info/http-alternates" &&
|
|
test_must_fail git -c http.followRedirects=initial \
|
|
clone $HTTPD_URL/dumb/evil.git evil-initial &&
|
|
git -c http.followRedirects=true \
|
|
clone $HTTPD_URL/dumb/evil.git evil-initial
|
|
'
|
|
|
|
# Curl supports a lot of protocols that we'd prefer not to allow
|
|
# http-alternates to use, but it's hard to test whether curl has
|
|
# accessed, say, the SMTP protocol, because we are not running an SMTP server.
|
|
# But we can check that it does not allow access to file://, which would
|
|
# otherwise allow this clone to complete.
|
|
test_expect_success 'http-alternates cannot point at funny protocols' '
|
|
echo "file://$victim/objects" >"$evil/objects/info/http-alternates" &&
|
|
test_must_fail git -c http.followRedirects=true \
|
|
clone "$HTTPD_URL/dumb/evil.git" evil-file
|
|
'
|
|
|
|
test_expect_success 'http-alternates triggers not-from-user protocol check' '
|
|
echo "$HTTPD_URL/dumb/victim.git/objects" \
|
|
>"$evil/objects/info/http-alternates" &&
|
|
test_config_global http.followRedirects true &&
|
|
test_must_fail git -c protocol.http.allow=user \
|
|
clone $HTTPD_URL/dumb/evil.git evil-user &&
|
|
git -c protocol.http.allow=always \
|
|
clone $HTTPD_URL/dumb/evil.git evil-user
|
|
'
|
|
|
|
test_expect_success 'can redirect through non-"info/refs?service=git-upload-pack" URL' '
|
|
git clone "$HTTPD_URL/redir-to/dumb/repo.git"
|
|
'
|
|
|
|
test_expect_success 'print HTTP error when any intermediate redirect throws error' '
|
|
test_must_fail git clone "$HTTPD_URL/redir-to/502" 2> stderr &&
|
|
test_i18ngrep "unable to access.*/redir-to/502" stderr
|
|
'
|
|
|
|
test_expect_success 'fetching via http alternates works' '
|
|
parent=$HTTPD_DOCUMENT_ROOT_PATH/alt-parent.git &&
|
|
git init --bare "$parent" &&
|
|
git -C "$parent" --work-tree=. commit --allow-empty -m foo &&
|
|
git -C "$parent" update-server-info &&
|
|
commit=$(git -C "$parent" rev-parse HEAD) &&
|
|
|
|
child=$HTTPD_DOCUMENT_ROOT_PATH/alt-child.git &&
|
|
git init --bare "$child" &&
|
|
echo "../../alt-parent.git/objects" >"$child/objects/info/alternates" &&
|
|
git -C "$child" update-ref HEAD $commit &&
|
|
git -C "$child" update-server-info &&
|
|
|
|
git -c http.followredirects=true clone "$HTTPD_URL/dumb/alt-child.git"
|
|
'
|
|
|
|
test_done
|