(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'test smart fetching over http via http-backend'>)}
          spids: [4]
        )
      ]
    )
    (C {<.>} {<'./test-lib.sh'>})
    (C {<.>} {(DQ ($ Id.VSub_DollarName '$TEST_DIRECTORY')) <'/lib-httpd.sh'>})
    (C {<start_httpd>})
    (C {<test_expect_success>} {(SQ <'setup repository'>)} 
      {
        (SQ <'\n'> <'\tgit config push.default matching &&\n'> <'\techo content >file &&\n'> 
          <'\tgit add file &&\n'> <'\tgit commit -m one\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'create http-accessible bare repository'>)} 
      {
        (SQ <'\n'> <'\tmkdir "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&\n'> 
          <'\t(cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&\n'> <'\t git --bare init\n'> <'\t) &&\n'> 
          <'\tgit remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&\n'> <'\tgit push public master:master\n'>
        )
      }
    )
    (C {<setup_askpass_helper>})
    (command.Simple
      words: [{<cat>}]
      redirects: [
        (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<exp>})
        (redir
          op: <Id.Redir_DLess '<<'>
          loc: (redir_loc.Fd fd:0)
          arg: 
            (redir_param.HereDoc
              here_begin: {<EOF>}
              here_end_span_id: 84
              stdin_parts: [
                <'> GET /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1\n'>
                <'> Accept: */*\n'>
                <'> Accept-Encoding: gzip\n'>
                <'> Pragma: no-cache\n'>
                <'< HTTP/1.1 200 OK\n'>
                <'< Pragma: no-cache\n'>
                <'< Cache-Control: no-cache, max-age=0, must-revalidate\n'>
                <'< Content-Type: application/x-git-upload-pack-advertisement\n'>
                <'> POST /smart/repo.git/git-upload-pack HTTP/1.1\n'>
                <'> Accept-Encoding: gzip\n'>
                <'> Content-Type: application/x-git-upload-pack-request\n'>
                <'> Accept: application/x-git-upload-pack-result\n'>
                <'> Content-Length: xxx\n'>
                <'< HTTP/1.1 200 OK\n'>
                <'< Pragma: no-cache\n'>
                <'< Cache-Control: no-cache, max-age=0, must-revalidate\n'>
                <'< Content-Type: application/x-git-upload-pack-result\n'>
              ]
            )
        )
      ]
      do_fork: T
    )
    (C {<test_expect_success>} {(SQ <'clone http repository'>)} 
      {
        (SQ <'\n'> 
          <'\tGIT_TRACE_CURL=true git clone --quiet $HTTPD_URL/smart/repo.git clone 2>err &&\n'> <'\ttest_cmp file clone/file &&\n'> <'\ttr '>
        ) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\''>) (SQ <'\\015'>) 
        (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\''>) 
        (SQ <' Q <err |\n'> <'\tsed -e "\n'> <'\t\ts/Q\\$//\n'> <'\t\t/^[*] /d\n'> <'\t\t/^== Info:/d\n'> 
          <'\t\t/^=> Send header, /d\n'> <'\t\t/^=> Send header:$/d\n'> <'\t\t/^<= Recv header, /d\n'> <'\t\t/^<= Recv header:$/d\n'> 
          <'\t\ts/=> Send header: //\n'> <'\t\ts/= Recv header://\n'> <'\t\t/^<= Recv data/d\n'> <'\t\t/^=> Send data/d\n'> <'\t\t/^$/d\n'> 
          <'\t\t/^< $/d\n'> <'\n'> <'\t\t/^[^><]/{\n'> <'\t\t\ts/^/> /\n'> <'\t\t}\n'> <'\n'> <'\t\t/^> User-Agent: /d\n'> 
          <'\t\t/^> Host: /d\n'> <'\t\t/^> POST /,$ {\n'> <'\t\t\t/^> Accept: [*]\\\\/[*]/d\n'> <'\t\t}\n'> 
          <'\t\ts/^> Content-Length: .*/> Content-Length: xxx/\n'> <'\t\t/^> 00..want /d\n'> <'\t\t/^> 00.*done/d\n'> <'\n'> <'\t\t/^< Server: /d\n'> 
          <'\t\t/^< Expires: /d\n'> <'\t\t/^< Date: /d\n'> <'\t\t/^< Content-Length: /d\n'> <'\t\t/^< Transfer-Encoding: /d\n'> 
          <'\t" >act &&\n'> <'\ttest_cmp exp act\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'fetch changes via http'>)} 
      {
        (SQ <'\n'> <'\techo content >>file &&\n'> <'\tgit commit -a -m two &&\n'> 
          <'\tgit push public &&\n'> <'\t(cd clone && git pull) &&\n'> <'\ttest_cmp file clone/file\n'>
        )
      }
    )
    (command.Simple
      words: [{<cat>}]
      redirects: [
        (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<exp>})
        (redir
          op: <Id.Redir_DLess '<<'>
          loc: (redir_loc.Fd fd:0)
          arg: 
            (redir_param.HereDoc
              here_begin: {<EOF>}
              here_end_span_id: 171
              stdin_parts: [
                <'GET  /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1 200\n'>
                <'POST /smart/repo.git/git-upload-pack HTTP/1.1 200\n'>
                <'GET  /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1 200\n'>
                <'POST /smart/repo.git/git-upload-pack HTTP/1.1 200\n'>
              ]
            )
        )
      ]
      do_fork: T
    )
    (C {<test_expect_success>} {(SQ <'used upload-pack service'>)} 
      {
        (SQ <'\n'> <'\tsed -e "\n'> <'\t\ts/^.* \\"//\n'> <'\t\ts/\\"//\n'> <'\t\ts/ [1-9][0-9]*\\$//\n'> 
          <'\t\ts/^GET /GET  /\n'> <'\t" >act <"$HTTPD_ROOT_PATH"/access.log &&\n'> <'\ttest_cmp exp act\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'follow redirects (301)'>)} 
      {(SQ <'\n'> <'\tgit clone $HTTPD_URL/smart-redir-perm/repo.git --quiet repo-p\n'>)}
    )
    (C {<test_expect_success>} {(SQ <'follow redirects (302)'>)} 
      {(SQ <'\n'> <'\tgit clone $HTTPD_URL/smart-redir-temp/repo.git --quiet repo-t\n'>)}
    )
    (C {<test_expect_success>} {(SQ <'redirects re-root further requests'>)} 
      {(SQ <'\n'> <'\tgit clone $HTTPD_URL/smart-redir-limited/repo.git repo-redir-limited\n'>)}
    )
    (C {<test_expect_success>} {(SQ <'clone from password-protected repository'>)} 
      {
        (SQ <'\n'> <'\techo two >expect &&\n'> <'\tset_askpass user@host pass@host &&\n'> 
          <'\tgit clone --bare "$HTTPD_URL/auth/smart/repo.git" smart-auth &&\n'> <'\texpect_askpass both user@host &&\n'> 
          <'\tgit --git-dir=smart-auth log -1 --format=%s >actual &&\n'> <'\ttest_cmp expect actual\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'clone from auth-only-for-push repository'>)} 
      {
        (SQ <'\n'> <'\techo two >expect &&\n'> <'\tset_askpass wrong &&\n'> 
          <'\tgit clone --bare "$HTTPD_URL/auth-push/smart/repo.git" smart-noauth &&\n'> <'\texpect_askpass none &&\n'> <'\tgit --git-dir=smart-noauth log -1 --format=%s >actual &&\n'> 
          <'\ttest_cmp expect actual\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'clone from auth-only-for-objects repository'>)} 
      {
        (SQ <'\n'> <'\techo two >expect &&\n'> <'\tset_askpass user@host pass@host &&\n'> 
          <'\tgit clone --bare "$HTTPD_URL/auth-fetch/smart/repo.git" half-auth &&\n'> <'\texpect_askpass both user@host &&\n'> <'\tgit --git-dir=half-auth log -1 --format=%s >actual &&\n'> 
          <'\ttest_cmp expect actual\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'no-op half-auth fetch does not require a password'>)} 
      {
        (SQ <'\n'> <'\tset_askpass wrong &&\n'> <'\tgit --git-dir=half-auth fetch &&\n'> 
          <'\texpect_askpass none\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'redirects send auth to new location'>)} 
      {
        (SQ <'\n'> <'\tset_askpass user@host pass@host &&\n'> 
          <'\tgit -c credential.useHttpPath=true \\\n'> <'\t  clone $HTTPD_URL/smart-redir-auth/repo.git repo-redir-auth &&\n'> 
          <'\texpect_askpass both user@host auth/smart/repo.git\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'disable dumb http on server'>)} 
      {
        (SQ <'\n'> <'\tgit --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \\\n'> 
          <'\t\tconfig http.getanyfile false\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'GIT_SMART_HTTP can disable smart http'>)} 
      {
        (SQ <'\n'> <'\t(GIT_SMART_HTTP=0 &&\n'> <'\t export GIT_SMART_HTTP &&\n'> <'\t cd clone &&\n'> 
          <'\t test_must_fail git fetch)\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'invalid Content-Type rejected'>)} 
      {
        (SQ <'\n'> <'\ttest_must_fail git clone $HTTPD_URL/broken_smart/repo.git 2>actual &&\n'> 
          <'\tgrep "not valid:" actual\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'create namespaced refs'>)} 
      {
        (SQ <'\n'> <'\ttest_commit namespaced &&\n'> 
          <'\tgit push public HEAD:refs/namespaces/ns/refs/heads/master &&\n'> <'\tgit --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \\\n'> 
          <'\t\tsymbolic-ref refs/namespaces/ns/HEAD refs/namespaces/ns/refs/heads/master\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'smart clone respects namespace'>)} 
      {
        (SQ <'\n'> <'\tgit clone "$HTTPD_URL/smart_namespace/repo.git" ns-smart &&\n'> 
          <'\techo namespaced >expect &&\n'> <'\tgit --git-dir=ns-smart/.git log -1 --format=%s >actual &&\n'> <'\ttest_cmp expect actual\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'dumb clone via http-backend respects namespace'>)} 
      {
        (SQ <'\n'> <'\tgit --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \\\n'> 
          <'\t\tconfig http.getanyfile true &&\n'> <'\tGIT_SMART_HTTP=0 git clone \\\n'> <'\t\t"$HTTPD_URL/smart_namespace/repo.git" ns-dumb &&\n'> 
          <'\techo namespaced >expect &&\n'> <'\tgit --git-dir=ns-dumb/.git log -1 --format=%s >actual &&\n'> <'\ttest_cmp expect actual\n'>
        )
      }
    )
    (command.Simple
      words: [{<cat>}]
      redirects: [
        (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<cookies.txt>})
        (redir
          op: <Id.Redir_DLess '<<'>
          loc: (redir_loc.Fd fd:0)
          arg: 
            (redir_param.HereDoc
              here_begin: {<EOF>}
              here_end_span_id: 405
              stdin_parts: [<'127.0.0.1\tFALSE\t/smart_cookies/\tFALSE\t0\tothername\tothervalue\n'>]
            )
        )
      ]
      do_fork: T
    )
    (command.Simple
      words: [{<cat>}]
      redirects: [
        (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<expect_cookies.txt>})
        (redir
          op: <Id.Redir_DLess '<<'>
          loc: (redir_loc.Fd fd:0)
          arg: 
            (redir_param.HereDoc
              here_begin: {<EOF>}
              here_end_span_id: 418
              stdin_parts: [
                <'\n'>
                <'127.0.0.1\tFALSE\t/smart_cookies/\tFALSE\t0\tothername\tothervalue\n'>
                <'127.0.0.1\tFALSE\t/smart_cookies/repo.git/info/\tFALSE\t0\tname\tvalue\n'>
              ]
            )
        )
      ]
      do_fork: T
    )
    (C {<test_expect_success>} {(SQ <'cookies stored in http.cookiefile when http.savecookies set'>)} 
      {
        (SQ <'\n'> <'\tgit config http.cookiefile cookies.txt &&\n'> 
          <'\tgit config http.savecookies true &&\n'> <'\tgit ls-remote $HTTPD_URL/smart_cookies/repo.git master &&\n'> 
          <'\ttail -3 cookies.txt >cookies_tail.txt &&\n'> <'\ttest_cmp expect_cookies.txt cookies_tail.txt\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'transfer.hiderefs works over smart-http'>)} 
      {
        (SQ <'\n'> <'\ttest_commit hidden &&\n'> <'\ttest_commit visible &&\n'> 
          <'\tgit push public HEAD^:refs/heads/a HEAD:refs/heads/b &&\n'> <'\tgit --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \\\n'> 
          <'\t\tconfig transfer.hiderefs refs/heads/a &&\n'> <'\tgit clone --bare "$HTTPD_URL/smart/repo.git" hidden.git &&\n'> 
          <'\ttest_must_fail git -C hidden.git rev-parse --verify a &&\n'> <'\tgit -C hidden.git rev-parse --verify b\n'>
        )
      }
    )
    (command.ShFunction
      name: create_tags
      body: 
        (BraceGroup
          children: [
            (command.AndOr
              ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DAmp]
              children: [
                (C {<rm>} {<-f>} {<marks>})
                (command.Pipeline
                  children: [
                    (command.ForEach
                      iter_names: [i]
                      iterable: 
                        (for_iter.Words
                          words: [
                            {
                              (command_sub
                                left_token: <Id.Left_DollarParen '$('>
                                child: 
                                  (C {<test_seq>} {(DQ ($ Id.VSub_Number '$1'))} 
                                    {(DQ ($ Id.VSub_Number '$2'))}
                                  )
                              )
                            }
                          ]
                        )
                      body: 
                        (command.DoGroup
                          children: [
                            (command.AndOr
                              ops: [
                                Id.Op_DAmp
                                Id.Op_DAmp
                                Id.Op_DAmp
                                Id.Op_DAmp
                                Id.Op_DAmp
                                Id.Op_DAmp
                                Id.Op_DAmp
                                Id.Op_DAmp
                              ]
                              children: [
                                (C {<echo>} 
                                  {(DQ <'commit refs/heads/too-many-refs-'> ($ Id.VSub_Number '$1'))}
                                )
                                (C {<echo>} {(DQ <'mark :'> ($ Id.VSub_DollarName '$i'))})
                                (C {<echo>} 
                                  {
                                    (DQ <'committer git <git@example.com> '> 
                                      ($ Id.VSub_DollarName '$i') <' +0000'>
                                    )
                                  }
                                )
                                (C {<echo>} {(DQ <'data 0'>)})
                                (C {<echo>} {(DQ <'M 644 inline bla.txt'>)})
                                (C {<echo>} {(DQ <'data 4'>)})
                                (C {<echo>} {(DQ <bla>)})
                                (C {<echo>} 
                                  {(DQ <'reset refs/heads/too-many-refs-'> ($ Id.VSub_Number '$1'))}
                                )
                                (C {<echo>} {(DQ <'from :'> ($ Id.VSub_Number '$1'))})
                              ]
                            )
                          ]
                        )
                    )
                    (C {<git>} {<fast-import>} {<--export-marks> <Id.Lit_Equals '='> <marks>})
                  ]
                  negated: F
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:tag)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (command_sub
                            left_token: <Id.Left_DollarParen '$('>
                            child: 
                              (C {<perl>} {<-e>} 
                                {
                                  (DQ <'print '> 
                                    (word_part.EscapedLiteral
                                      token: <Id.Lit_EscapedChar '\\"'>
                                    ) <bla> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <' x 30'>
                                  )
                                }
                              )
                          )
                        }
                      spids: [617]
                    )
                  ]
                )
                (command.Simple
                  words: [
                    {<sed>}
                    {<-e>}
                    {
                      (DQ <'s|^:'> <Id.Lit_BadBackslash '\\'> <'([^ ]*'> <Id.Lit_BadBackslash '\\'> 
                        <') '> <Id.Lit_BadBackslash '\\'> <'(.*'> <Id.Lit_BadBackslash '\\'> <')'> <Id.Lit_Dollar '$'> <'|'> 
                        <Id.Lit_BadBackslash '\\'> <'2 refs/tags/'> ($ Id.VSub_DollarName '$tag') <-> <Id.Lit_BadBackslash '\\'> <'1|'>
                      )
                    }
                  ]
                  redirects: [
                    (redir
                      op: <Id.Redir_Less '<'>
                      loc: (redir_loc.Fd fd:0)
                      arg: {<marks>}
                    )
                    (redir
                      op: <Id.Redir_DGreat '>>'>
                      loc: (redir_loc.Fd fd:1)
                      arg: {<packed-refs>}
                    )
                  ]
                  do_fork: T
                )
              ]
            )
          ]
        )
    )
    (C {<test_expect_success>} {(SQ <'create 2,000 tags in the repo'>)} 
      {
        (SQ <'\n'> <'\t(\n'> <'\t\tcd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&\n'> 
          <'\t\tcreate_tags 1 2000\n'> <'\t)\n'>
        )
      }
    )
    (C {<test_expect_success>} {<CMDLINE_LIMIT>} 
      {(SQ <'clone the 2,000 tag repo to check OS command line overflow'>)} 
      {
        (SQ <'\n'> 
          <'\trun_with_limited_cmdline git clone $HTTPD_URL/smart/repo.git too-many-refs &&\n'> <'\t(\n'> <'\t\tcd too-many-refs &&\n'> <'\t\tgit for-each-ref refs/tags >actual &&\n'> 
          <'\t\ttest_line_count = 2000 actual\n'> <'\t)\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'large fetch-pack requests can be split across POSTs'>)} 
      {
        (SQ <'\n'> <'\tGIT_TRACE_CURL=true git -c http.postbuffer=65536 \\\n'> 
          <'\t\tclone --bare "$HTTPD_URL/smart/repo.git" split.git 2>err &&\n'> <'\tgrep "^=> Send header: POST" err >posts &&\n'> <'\ttest_line_count = 2 posts\n'>
        )
      }
    )
    (C {<test_expect_success>} {<EXPENSIVE>} {(SQ <'http can handle enormous ref negotiation'>)} 
      {
        (SQ <'\n'> <'\t(\n'> <'\t\tcd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&\n'> 
          <'\t\tcreate_tags 2001 50000\n'> <'\t) &&\n'> <'\tgit -C too-many-refs fetch -q --tags &&\n'> <'\t(\n'> 
          <'\t\tcd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&\n'> <'\t\tcreate_tags 50001 100000\n'> <'\t) &&\n'> <'\tgit -C too-many-refs fetch -q --tags &&\n'> 
          <'\tgit -C too-many-refs for-each-ref refs/tags >tags &&\n'> <'\ttest_line_count = 100000 tags\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'custom http headers'>)} 
      {
        (SQ <'\n'> <'\ttest_must_fail git -c http.extraheader="x-magic-two: cadabra" \\\n'> 
          <'\t\tfetch "$HTTPD_URL/smart_headers/repo.git" &&\n'> <'\tgit -c http.extraheader="x-magic-one: abra" \\\n'> 
          <'\t    -c http.extraheader="x-magic-two: cadabra" \\\n'> <'\t    fetch "$HTTPD_URL/smart_headers/repo.git" &&\n'> 
          <'\tgit update-index --add --cacheinfo 160000,$(git rev-parse HEAD),sub &&\n'> <'\tgit config -f .gitmodules submodule.sub.path sub &&\n'> 
          <'\tgit config -f .gitmodules submodule.sub.url \\\n'> <'\t\t"$HTTPD_URL/smart_headers/repo.git" &&\n'> <'\tgit submodule init sub &&\n'> 
          <'\ttest_must_fail git submodule update sub &&\n'> <'\tgit -c http.extraheader="x-magic-one: abra" \\\n'> 
          <'\t    -c http.extraheader="x-magic-two: cadabra" \\\n'> <'\t\tsubmodule update sub\n'>
        )
      }
    )
    (C {<stop_httpd>})
    (C {<test_done>})
  ]
)